{"id":36377,"date":"2022-06-28T14:29:24","date_gmt":"2022-06-28T05:29:24","guid":{"rendered":"https:\/\/webst8.com\/code\/?p=36377"},"modified":"2024-08-18T08:31:18","modified_gmt":"2024-08-17T23:31:18","slug":"css-color","status":"publish","type":"post","link":"https:\/\/webst8.com\/code\/css-color\/","title":{"rendered":"\u3010CSS color\u306e\u4f7f\u3044\u65b9\u3011\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u8272\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>HTML\u3084CSS\u3092\u52c9\u5f37\u3057\u59cb\u3081\u305f\u521d\u5fc3\u8005\u3084WordPress\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u65b9\u3067\u300c\u3053\u306e\u90e8\u5206\u3060\u3051\u306f\u8d64\u8272\u6587\u5b57\u3067\u8868\u793a\u3057\u305f\u3044\u300d\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6587\u5b57\u8272\u3092\u5909\u66f4\u3059\u308b\u306b\u306f\u3001CSS\u306e\u300ccolor\u30d7\u30ed\u30d1\u30c6\u30a3\u300d\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001<strong>color\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u306e\u6587\u5b57\u8272\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3084\u4f7f\u7528\u3067\u304d\u308b\u5024<\/strong>\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><span class=\"photoline\"><img decoding=\"async\" class=\"alignnone size-full wp-image-36382\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-property-sample.png\" alt=\"color\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u3067\u304d\u308b\u3053\u3068\" width=\"1000\" height=\"402\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-property-sample.png 1000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-property-sample-300x121.png 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-property-sample-768x309.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/span><br \/>\n&nbsp;<\/p>\n<p><div class=\"webst-sns-follow-container\">\n<div class=\"webst-sns-follow-title\">SNS\u30d5\u30a9\u30ed\u30fc\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\uff01<\/p>\n<p><span style=\"font-size: 11px;\">\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u3001\u3088\u308a\u8a73\u7d30\u306a\u89e3\u8aac\u3092\u52d5\u753b\u3084\u30b7\u30e7\u30fc\u30c8\u52d5\u753b\u3067\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002\u65e5\u3005\u306e\u60c5\u5831\u53ce\u96c6\u306b\u304a\u5f79\u7acb\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/div>\n<div class=\"webst-sns-follow-row\"><a class=\"webst-sns-button webst-sns-youtube\" href=\"https:\/\/www.youtube.com\/@webst8356\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone size-full wp-image-70744\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-youtube.png\" alt=\"\" width=\"737\" height=\"289\" \/><\/a><\/div>\n<div class=\"webst-sns-follow-row\"><a class=\"webst-sns-button webst-sns-instagram\" href=\"https:\/\/www.instagram.com\/webst8_com\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone size-full wp-image-70741\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-instagram.png\" alt=\"\" width=\"250\" height=\"315\" \/><\/a><br \/>\n<a class=\"webst-sns-button webst-sns-tiktok\" href=\"https:\/\/www.tiktok.com\/@webst8_com\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone size-full wp-image-70742\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-tiktok.png\" alt=\"\" width=\"214\" height=\"305\" \/><\/a><br \/>\n<a class=\"webst-sns-button webst-sns-twitter-x\" href=\"https:\/\/x.com\/mattsunkei\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"alignnone size-full wp-image-70743\" src=\"https:\/\/webst8.com\/blog\/wp-content\/uploads\/2025\/09\/sns-logo-x.png\" alt=\"\" width=\"219\" height=\"301\" \/><\/a><\/div>\n<\/div>\n<\/p>\n<p>&nbsp;<\/p>\n<h2>CSS\u306ecolor\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u3044\u65b9<\/h2>\n<p>color\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001<strong>\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u8272\u3092\u5909\u66f4<\/strong>\u3059\u308bCSS\u306e\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059\u3002<\/p>\n<p>color\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u4f7f\u3044\u65b9\u306f\u7c21\u5358\u3067\u3001\u6587\u5b57\u8272\u3092\u5909\u66f4\u3057\u305f\u3044\u8981\u7d20\u306b\u5bfe\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u3042\u3052\u308c\u3070OK\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\" title=\"index.html\">&lt;p class=\"red\"&gt;color\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u6587\u5b57\u306e\u8272\u3092\u6307\u5b9a\u3059\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u3059&lt;\/p&gt;<\/pre>\n<pre class=\"lang:css decode:true\" title=\"style.css\">.red{\r\n  color: red;\r\n}<\/pre>\n<p><span class=\"photoline\"><img decoding=\"async\" class=\"alignnone size-full wp-image-36383\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/how-to-use-color-sample.png\" alt=\"color\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u6587\u5b57\u8272\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u4f8b\" width=\"1000\" height=\"667\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/how-to-use-color-sample.png 1000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/how-to-use-color-sample-300x200.png 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/how-to-use-color-sample-768x512.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/span><br \/>\n&nbsp;<\/p>\n<p>\u306a\u304a\u3001\u4e0a\u306e\u4f8b\u3067\u306f\u8d64\u8272\u3092\u610f\u5473\u3059\u308b\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u300cred\u300d\u3092\u6307\u5b9a\u3057\u3066\u6587\u5b57\u8272\u3092\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u3092\u4f7f\u3046\u65b9\u6cd5\u4ee5\u5916\u306b\u3082\u300116\u9032\u6570\u6307\u5b9a\u3084rgb\u6307\u5b9a\u306a\u3069\u3044\u304f\u3064\u304b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>color\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3067\u304d\u308b\u5024<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3053\u3053\u304b\u3089\u306f<span class=\"ymarker\"><strong>color\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3067\u304d\u308b\u5024<\/strong><\/span>\u306b\u3064\u3044\u30661\u3064\u3065\u3064\u7d39\u4ecb\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u306a\u304a\u3001\u3053\u308c\u3089\u306e\u5024\u306fcolor\u30d7\u30ed\u30d1\u30c6\u30a3\u3060\u3051\u306b\u9650\u3089\u305abackground-color\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u305d\u306e\u4ed6\u3001\u8272\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u5168\u3066\u3067\u4f7f\u7528\u3067\u304d\u308b\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"yellowbox\">\n<p><strong>\u25a0color\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3067\u304d\u308b\u5024<\/strong><\/p>\n<div class=\"maruck\">\n<ul>\n<li>\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\uff1a\u8272\u540d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<li>\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff1a16\u9032\u6570\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<li>RGB\uff1a\u8d64\u7dd1\u9752\u306e\u5f37\u3055\u3092\u6570\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h3>\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\uff1a\u8272\u540d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/h3>\n<p>\u307e\u305a1\u3064\u76ee\u306e\u5024\u306f\u3001<strong>\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u3068\u306f\u305d\u306e\u540d\u306e\u901a\u308a\u3001\u8272\u306e\u540d\u524d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u6587\u5b57\u8272\u3092\u5909\u66f4\u3067\u304d\u308b\u5024\u3067\u3001\u4f8b\u3048\u3070\u8d64\u8272\u3067\u3042\u308c\u3070\u300cred\u300d\u3001\u9752\u8272\u3067\u3042\u308c\u3070\u300cblue\u300d\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-36386\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample.jpg\" alt=\"\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u3066\u8272\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u4f8b\" width=\"2000\" height=\"1125\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample.jpg 2000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample-300x169.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample-1024x576.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample-768x432.jpg 768w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-name-sample-1536x864.jpg 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p>\u306a\u304a\u4f7f\u7528\u3067\u304d\u308b\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u306e\u4e00\u89a7\u306b\u3064\u3044\u3066\u306fWeb\u6280\u8853\u306e\u6a19\u6e96\u5316\u3092\u884c\u3063\u3066\u3044\u308b\u975e\u55b6\u5229\u56e3\u4f53\u300cWorld Wide Web Consortium(\u7565\u79f0: W3C)\u300d\u306e\u516c\u5f0f\u30b5\u30a4\u30c8(<a href=\"https:\/\/www.w3.org\/wiki\/CSS\/Properties\/color\/keywords#Extended_colors\" target=\"_blank\" rel=\"noopener\">https:\/\/www.w3.org\/wiki\/CSS\/Properties\/color\/keywords#Extended_colors<\/a>)\u306a\u3069\u304b\u3089\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u8272\u540d\u306b\u3088\u3063\u3066\u306f\u4f7f\u7528\u4e2d\u306e\u74b0\u5883(OS\u3084\u30d6\u30e9\u30a6\u30b6\u30d0\u30fc\u30b8\u30e7\u30f3\u306a\u3069)\u306b\u3088\u308a\u3001 \u6b63\u3057\u304f\u8868\u793a\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff1a16\u9032\u6570\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/h3>\n<p>2\u3064\u76ee\u306e\u5024\u306f\u3001<strong>\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306f\u5148\u982d\u306b\u300c#\u300d\u3092\u66f8\u3044\u3066\u304b\u30896\u6841\u306e16\u9032\u6570\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u5909\u66f4\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-a\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/code\/wp-content\/plugins\/speech-bubble\/img\/keisuke.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\">\u540c\u3058\u8d64\u8272\u3067\u3082\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\u3067\u306f\u300cred\u300d\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3067\u306f\u300c#ff0000\u300d\u3068\u8868\u3055\u308c\u307e\u3059\u3002<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-36387\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample.jpg\" alt=\"\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u8272\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u4f8b\" width=\"2000\" height=\"1125\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample.jpg 2000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample-300x169.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample-1024x576.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample-768x432.jpg 768w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-code-sample-1536x864.jpg 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p>\u3053\u3061\u3089\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8a73\u7d30\u306a\u8272\u306e\u6307\u5b9a\u3092\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3002<\/p>\n<p>\u306a\u304a\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u308b\u969b\u306fGoogle\u306a\u3069\u3067\u300c\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u300d\u3084\u300c\u30ab\u30e9\u30fc\u30d4\u30c3\u30ab\u30fc\u300d\u3068\u8abf\u3079\u308b\u3068\u3001\u69d8\u3005\u306a\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u7d39\u4ecb\u3057\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3084\u30ab\u30e9\u30fc\u9078\u629e\u30c4\u30fc\u30eb\u306a\u3069\u304c\u51fa\u3066\u304f\u308b\u306e\u3067\u3001\u3053\u3061\u3089\u3067\u304a\u597d\u307f\u306e\u8272\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span class=\"photoline\"><img decoding=\"async\" class=\"alignnone size-full wp-image-36388\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool.jpg\" alt=\"Google\u691c\u7d22\u3067\u300c\u30ab\u30e9\u30fc\u30d4\u30c3\u30ab\u30fc\u300d\u3068\u691c\u7d22\u3059\u308b\u3068\u3001\u7c21\u5358\u306b\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u304c\u8abf\u3079\u3089\u308c\u308b\u30ab\u30e9\u30fc\u9078\u629e\u30c4\u30fc\u30eb\u304c\u4f7f\u7528\u3067\u304d\u308b\" width=\"1500\" height=\"1096\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool.jpg 1500w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-300x219.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-1024x748.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-768x561.jpg 768w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<h3>RGB\uff1a\u8d64\u7dd1\u9752\u306e\u5f37\u3055\u3092\u6570\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/h3>\n<p>3\u3064\u76ee\u306e\u5024\u306f\u3001<strong>RGB<\/strong>\u3067\u3059\u3002<\/p>\n<p>RGB\u306f\u305d\u308c\u305e\u308c\u300cRed(\u8d64)\u300d\u300cGreen(\u7dd1)\u300d\u300cBlue(\u9752)\u300d\u306e\u982d\u6587\u5b57\u304b\u3089\u304d\u3066\u304a\u308a\u3001\u3053\u308c\u3089\u306e\u8272\u306e\u5f37\u3055\u3092\u6570\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u8272\u306e\u5909\u66f4\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-36389\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample.jpg\" alt=\"RGB\u3092\u4f7f\u7528\u3057\u3066\u8272\u3092\u5909\u66f4\u3057\u3066\u3044\u308b\u4f8b\" width=\"2000\" height=\"1125\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample.jpg 2000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample-300x169.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample-1024x576.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample-768x432.jpg 768w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/rgb-sample-1536x864.jpg 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p>\u3053\u3061\u3089\u3082\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u306e\u969b\u306b\u7d39\u4ecb\u3057\u305f\u30ab\u30e9\u30fc\u9078\u629e\u30c4\u30fc\u30eb\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span class=\"photoline\"><img decoding=\"async\" class=\"alignnone size-full wp-image-36390\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-rgb.jpg\" alt=\"\u30ab\u30e9\u30fc\u9078\u629e\u30c4\u30fc\u30eb\u3067RGB\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u308b\u3053\u3068\u3082\u53ef\u80fd\" width=\"1500\" height=\"1096\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-rgb.jpg 1500w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-rgb-300x219.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-rgb-1024x748.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/color-picker-tool-rgb-768x561.jpg 768w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/span><\/p>\n<p>&nbsp;<\/p>\n<h4>RGBA\uff1aRGB\u306b\u52a0\u3048\u3066\u4e0d\u900f\u660e\u5ea6\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u5024<\/h4>\n<p>\u306a\u304argb\u306e1\u756a\u5f8c\u308d\u306ba\u3068\u3044\u3046\u5024\u3092\u8ffd\u52a0\u3057\u3066\u3042\u3052\u308b\u3053\u3068\u3067\u4e0d\u900f\u660e\u5ea6\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-36391\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample.jpg\" alt=\"RGBA\u3092\u4f7f\u7528\u3057\u3066\u8272\u306b\u4e0d\u900f\u660e\u5ea6\u3092\u8ffd\u52a0\u3057\u3066\u3044\u308b\u4f8b\" width=\"2000\" height=\"1125\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample.jpg 2000w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample-300x169.jpg 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample-1024x576.jpg 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample-768x432.jpg 768w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/red-rgba-sample-1536x864.jpg 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/p>\n<p>\u6587\u5b57\u306e\u8272\u3092\u900f\u660e\u306b\u3059\u308b\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u80cc\u666f\u8272\u306a\u3069\u3092\u6307\u5b9a\u3059\u308b\u969b\u306b\u6642\u3005\u4f7f\u3044\u307e\u3059\u306e\u3067\u3001\u3053\u3061\u3089\u3082\u899a\u3048\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-a\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/code\/wp-content\/plugins\/speech-bubble\/img\/keisuke.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\">rgba\u306ea\u306e\u5024\u306f\u300c1.0\u300d\u306b\u8fd1\u3044\u307b\u3069\u4e0d\u900f\u660e\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u70ba\u3001\u3088\u308a\u304f\u3063\u304d\u308a\u3068\u3057\u305f\u8272\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>(\u88dc\u8db3)\uff1a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8272\u3092\u8abf\u3079\u308b\u65b9\u6cd5<\/h2>\n<p>\u6700\u5f8c\u306b\u88dc\u8db3\u3067\u3059\u304c\u3001<span class=\"ymarker\"><strong>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8272\u3092\u8abf\u3079\u308b\u65b9\u6cd5<\/strong><\/span>\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u304c\u3001Google Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u300cColorZilla\u300d\u3068\u547c\u3070\u308c\u308b\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066\u3042\u3052\u308b\u3053\u3068\u3067\u7c21\u5358\u306b\u8272\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><span class=\"photoline\"><img decoding=\"async\" class=\"alignnone size-full wp-image-36392\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-colorzilla.png\" alt=\"Google Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u300cColorZilla\u300d\" width=\"1500\" height=\"1137\" srcset=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-colorzilla.png 1500w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-colorzilla-300x227.png 300w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-colorzilla-1024x776.png 1024w, https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-colorzilla-768x582.png 768w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/span><\/p>\n<div style=\"width: 920px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-36377-1\" width=\"920\" height=\"624\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-color-zilla-1.mp4?_=1\" \/><a href=\"https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-color-zilla-1.mp4\">https:\/\/webst8.com\/code\/wp-content\/uploads\/2022\/06\/chrome-color-zilla-1.mp4<\/a><\/video><\/div>\n<p>\u306a\u304a\u3053\u3053\u3067\u306fGoogle Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u306e\u8ffd\u52a0\u65b9\u6cd5\u3084ColorZIlla\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u8a73\u3057\u304f\u7d39\u4ecb\u3057\u307e\u305b\u3093\u304c\u3001\u6c17\u306b\u306a\u3063\u305f\u65b9\u306f\u300cColorZilla \u4f7f\u3044\u65b9\u300d\u306a\u3069\u3067\u691c\u7d22\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u307e\u3068\u3081\u3067\u3059\u3002CSS\u306ecolor\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u306e\u6587\u5b57\u8272\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5\u3084\u4f7f\u7528\u3067\u304d\u308b\u5024\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"yellowbox\">\n<p><strong>\u25a0color\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3067\u304d\u308b\u5024<\/strong><\/p>\n<div class=\"maruck\">\n<ul>\n<li>\u30ab\u30e9\u30fc\u30cd\u30fc\u30e0\uff1a\u8272\u540d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<li>\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\uff1a16\u9032\u6570\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<li>RGB\uff1a\u8d64\u7dd1\u9752\u306e\u5f37\u3055\u3092\u6570\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u8272\u306e\u6307\u5b9a\u304c\u53ef\u80fd<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>\u306a\u304a\u4eca\u56de\u306f\u3001\u8272\u3092\u6307\u5b9a\u3067\u304d\u308b\u5024\u306b\u3064\u3044\u3066\u4e0a\u8a18\u306e3\u3064\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u3061\u3089\u306fcolor\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u307f\u3060\u3051\u3067\u306a\u304fbackground-color\u30d7\u30ed\u30d1\u30c6\u30a3\u3084\u305d\u306e\u4ed6\u3001\u8272\u3092\u6271\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u4f7f\u3044\u65b9\u3092\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a\u3001\u3053\u308c\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3084\u30c9\u30e1\u30a4\u30f3\u3092\u5951\u7d04\u3057\u3066\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3092\u4f5c\u308a\u305f\u3044\u3068\u3044\u3046\u65b9\u306f\u300c<a href=\"https:\/\/webst8.com\/blog\/homepage-open-process\/\">\u3010\u7dcf\u307e\u3068\u3081\u3011\u500b\u4eba\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306e\u4f5c\u308a\u65b9\u30fbWeb\u30b5\u30a4\u30c8\u81ea\u4f5c\u65b9\u6cd5<\/a>\u300d\u3092\u3054\u53c2\u8003\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4eca\u56de\u306f\u4ee5\u4e0a\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u5f8c\u307e\u3067\u3054\u89a7\u9802\u304d\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<br \/>\n&nbsp;<\/p>\n<div class=\"list-frame primary\">\n<p class=\"list-frame-p\">\u5408\u308f\u305b\u3066\u8aad\u307f\u305f\u3044\u8a18\u4e8b<\/p>\n<ul>\n<li><a href=\"https:\/\/webst8.com\/code\/html-major-basic-tag\/\" class=\"no-decoration\">\u3010HTML\u306e\u57fa\u672c\u3092\u5fb9\u5e95\u89e3\u8aac\uff01\u3011\u521d\u5fc3\u8005\u5411\u3051HTML\u306e\u57fa\u672c\u3068\u3088\u304f\u4f7f\u3046\u30bf\u30b0\u4e00\u89a7<\/a><\/li>\n<li><a href=\"https:\/\/webst8.com\/code\/css-major-basic-property\/\" class=\"no-decoration\">\u3010CSS\u306e\u57fa\u672c\u3011CSS\u306e\u57fa\u672c\u3068\u30d7\u30ed\u30d1\u30c6\u30a3\u4e00\u89a7<\/a><\/li>\n<\/ul>\n<\/li>\n<\/div>\n<p>&nbsp;<br \/>\n<div class=\"sb-type-drop\">\n\t<div class=\"sb-subtype-a\">\n\t\t<div class=\"sb-speaker\">\n\t\t\t<div class=\"sb-icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/webst8.com\/code\/wp-content\/plugins\/speech-bubble\/img\/boy-point.jpg\" class=\"sb-icon\">\n\t\t\t<\/div>\n\t\t\t<div class=\"sb-name\"><\/div>\n\t\t<\/div>\n\t\t<div class=\"sb-content\">\n\t\t\t<div class=\"sb-speech-bubble\"><span class=\"font-14\"><strong>\u300c\u696d\u8005\u306b\u4efb\u305b\u305f\u3051\u3069\u3001\u66f4\u65b0\u304c\u3067\u304d\u306a\u3044\u300d\u300c\u672c\u3067\u72ec\u5b66\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u308b\u30fb\u30fb\u300d<\/strong>\u305d\u3093\u306a\u304a\u60a9\u307f\u306e\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/span><\/p>\n<p><span class=\"font-14\"><strong>\u500b\u5225\u6307\u5c0e\u5f62\u5f0f\u306e\u30b9\u30af\u30fc\u30eb\u3067\u306f\u3001\u81ea\u5206\u306e\u77e5\u308a\u305f\u3044\u3053\u3068\u3092\u30d4\u30f3\u30dd\u30a4\u30f3\u30c8\u3067\u5b66\u7fd2\u30fb\u9054\u6210\u3067\u304d\u3001\u81ea\u5206\u3067\u66f4\u65b0\u3082\u3067\u304d\u308b\u3068\u3044\u3046\u30e1\u30ea\u30c3\u30c8<\/strong>\u3082\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<p><span class=\"font-14\">\u6559\u5ba4\u306e\u7121\u6599\u4e8b\u524d\u76f8\u8ac7\u3082\u3057\u3066\u304a\u308a\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u304a\u6c17\u8efd\u306b\u3054\u767b\u9332\u304f\u3060\u3055\u3044\u3002 <\/span><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/webst8.com\/\" class=\"webst8-banar-2 btn btn-success btn-lg\">\u8a73\u7d30\u306f\u3053\u3061\u3089<\/a><\/p>\n<p><\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<h2>YouTube\u30c1\u30e3\u30f3\u30cd\u30eb\u958b\u8a2d\u3057\u307e\u3057\u305f\uff01<\/h2>\n<p><a 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