{"id":9595,"date":"2020-10-11T18:35:23","date_gmt":"2020-10-11T10:35:23","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9595"},"modified":"2020-10-11T18:40:19","modified_gmt":"2020-10-11T10:40:19","slug":"css-color-level-4","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2020\/10\/css-color-level-4\/","title":{"rendered":"\u5feb\u901f\u5b66\u4e60CSS Color Level 4\u7684\u8272\u503c\u65b0\u8bed\u6cd5"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9595\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=9595<\/a><br \/>\n\u672c\u6587\u6b22\u8fce\u5206\u4eab\u4e0e\u805a\u5408\uff0c\u5168\u6587\u8f6c\u8f7d\u5c31\u4e0d\u5fc5\u4e86\uff0c\u5c0a\u91cd\u7248\u6743\uff0c\u5708\u5b50\u5c31\u8fd9\u4e48\u5927\uff0c\u82e5\u6025\u7528\u53ef\u4ee5\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/202010-color-lv4.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/color-level4-cover.png\" width=\"427\" height=\"293\" alt=\"\u591a\u5f69\u989c\u8272\u8868\u793a\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<p>\u4ece2016\u5e74\u5f00\u59cb\uff0c\u73b0\u4ee3\u6d4f\u89c8\u5668\u5f00\u59cb\u9646\u7eed\u652f\u6301#RRGGBBAA\u989c\u8272\u4ee5\u53ca\u5176\u4ed6\u65b0\u8bed\u6cd5\uff0c\u8fd9\u4e9b\u65b0\u8bed\u6cd5\u90fd\u662fCSS Color Level 4\u4e2d\u5b9a\u4e49\u7684\u3002<\/p>\n<h3>\u4e00\u3001#RRGGBBAA\u989c\u8272\u8868\u793a<\/h3>\n<p>\u73b0\u4ee3\u6d4f\u89c8\u5668\u76ee\u524d\u5df2\u7ecf\u5168\u9762\u652f\u6301\u4e86#RRGGBBAA\u989c\u8272\u3002<\/p>\n<p>\u5176\u4e2dR\uff0cG\uff0cB\u8fd8\u662f\u539f\u6765\u7684\u5341\u516d\u8fdb\u5236\u8868\u793a\u7684RGB\u8272\u503c\uff0c\u8303\u56f4\u4ece00-FF\uff0c\u81f3\u4e8e\u8fd9\u91cc\u65b0\u51fa\u73b0\u7684AA\uff0c\u5219\u8868\u793a\u900f\u660e\u5ea6\uff0c\u8303\u56f4\u4e5f\u662f00-FF\u3002<\/p>\n<p>#RRGGBBAA\u989c\u8272\u867d\u7136\u5f88\u5b9e\u7528\uff0c\u4f46\u662f\u900f\u660e\u5ea6\u7684\u8f6c\u6362\u5374\u6ca1\u6709RGB\u8272\u503c\u90a3\u4e48\u65b9\u4fbf\uff0c\u56e0\u4e3a\u7531\u4e8e\u900f\u660e\u5ea6\u8303\u56f4\u662f0%-100%\uff0c\u800c00-FF\u7684\u5341\u8fdb\u5236\u8303\u56f4\u662f0-255\uff0c\u5bf9\u4e0d\u4e0a\uff0c\u9700\u8981\u8f6c\u6362\uff0c\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><span class=\"green\">\/\/ Alpha\u8303\u56f40-1<\/span>\r\nAA = (Alpha * 255).toString(16);<\/pre>\n<p>\u56e0\u6b64\uff0c50%\u900f\u660e\u5ea6\u7b49\u4e8e(0.5*255).toString(16)\uff0c\u7ed3\u679c\u662f7f.8\uff0c\u4e03\u820d\u516b\u5165\u5c31\u662f80\u3002\u56e0\u6b64#FF000080\u5c31\u8868\u793a\u8fd1\u4f3c50%\u7ea2\u8272\u3002<\/p>\n<p>\u6211<span class=\"hidden\">\uff08\u5f20\u946b\u65ed\uff09<\/span>\u4e13\u95e8\u6574\u7406\u4e86\u4e00\u4e2a\u767e\u5206\u6bd4\u900f\u660e\u5ea6\u548c\u5341\u516d\u8fdb\u5236\u503c\u4e4b\u95f4\u7684\u6570\u636e\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<table border=\"0\" class=\"params_table\" cellspacing=\"1\">\n<caption style=\"line-height:24px;\"><small>\u767e\u5206\u6bd4\u900f\u660e\u5ea6\u548c\u5341\u516d\u8fdb\u5236\u503c\u5bf9\u5e94\u5173\u7cfb\u8868\uff08by zhangxinxu(.com)\uff09<\/small><\/caption>\n<thead>\n<tr>\n<th bgcolor=\"#eee\">\u900f\u660e\u5ea6<\/th>\n<th>\u5341\u516d\u8fdb\u5236\u503c<\/th>\n<th bgcolor=\"#eee\">\u900f\u660e\u5ea6<\/th>\n<th>\u5341\u516d\u8fdb\u5236\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#eee\">0%<\/td>\n<td>00<\/td>\n<td bgcolor=\"#eee\">5%<\/td>\n<td>0D<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">10%<\/td>\n<td>1A<\/td>\n<td bgcolor=\"#eee\">15%<\/td>\n<td>26<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">20%<\/td>\n<td>33<\/td>\n<td bgcolor=\"#eee\">25%<\/td>\n<td>40<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">30%<\/td>\n<td>4D<\/td>\n<td bgcolor=\"#eee\">35%<\/td>\n<td>59<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">40%<\/td>\n<td>66<\/td>\n<td bgcolor=\"#eee\">45%<\/td>\n<td>73<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">50%<\/td>\n<td>80<\/td>\n<td bgcolor=\"#eee\">55%<\/td>\n<td>8C<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">60%<\/td>\n<td>99<\/td>\n<td bgcolor=\"#eee\">65%<\/td>\n<td>A6<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">70%<\/td>\n<td>B3<\/td>\n<td bgcolor=\"#eee\">75%<\/td>\n<td>BF<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">80%<\/td>\n<td>CC<\/td>\n<td bgcolor=\"#eee\">85%<\/td>\n<td>D9<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">90%<\/td>\n<td>E6<\/td>\n<td bgcolor=\"#eee\">95%<\/td>\n<td>F2<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#eee\">100%<\/td>\n<td>FF<\/td>\n<td bgcolor=\"#eee\">&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u540c\u6837\u7684\uff0c#RRGGBBAA\u989c\u8272\u4e5f\u652f\u6301\u7f29\u5199\uff0c\u4f8b\u5982<code>#f308<\/code>\u7b49\u540c\u4e8e<code>#ff330088<\/code>\u3002<\/p>\n<p><span class=\"hidden\">\/\/zxx: \u5982\u679c\u4f60\u770b\u5230\u8fd9\u6bb5\u6587\u5b57\uff0c\u8bf4\u660e\u4f60\u73b0\u5728\u8bbf\u95ee\u662f\u4f53\u9a8c\u7cdf\u7cd5\u7684\u5783\u573e\u76d7\u7248\u7f51\u7ad9\uff0c\u4f60\u53ef\u4ee5\u8bbf\u95ee\u539f\u6587\u83b7\u5f97\u5f88\u597d\u7684\u4f53\u9a8c\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=9595\uff08\u4f5c\u8005\u5f20\u946b\u65ed\uff09<\/span><\/p>\n<h3>\u4e8c\u3001\u6781\u81f4\u81ea\u7531\u7684\u65b0\u8bed\u6cd5<\/h3>\n<p>\u5728\u73b0\u4ee3\u6d4f\u89c8\u5668\u4e2d\uff0cRGB\u989c\u8272\u548cHSL\u989c\u8272\u7684\u8bed\u6cd5\u5df2\u7ecf\u53d8\u5f97\u65e0\u6bd4\u81ea\u7531\u3002<\/p>\n<ol>\n<li><code>rgb()<\/code>\u548c<code>rgba()<\/code>\u8bed\u6cd5\u4e92\u901a\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u7684\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* \u6709\u6548 *\/<\/span>\r\nrgb(0, 0, 0, 1)\r\nrgba(0, 0, 0)<\/pre>\n<\/li>\n<li><code>hsl()<\/code>\u548c<code>hsla()<\/code>\u8bed\u6cd5\u4e92\u901a\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u7684\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* \u6709\u6548 *\/<\/span>\r\nhsl(0, 0%, 0%, 1)\r\nhsla(0, 0%, 0%)<\/pre>\n<\/li>\n<li><code>rgb()<\/code>\u4e2d\u7684\u6570\u503c\u53ef\u4ee5\u662f\u5c0f\u6570\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* \u6709\u6548 *\/<\/span>\r\nrgb(99.999, 102.5, 0)\r\nrgb(1e2, .5e1, .5e0, +.25e2%)<\/pre>\n<\/li>\n<li>\u900f\u660e\u5ea6\u53ef\u4ee5\u4f7f\u7528\u767e\u5206\u6bd4\u8868\u793a\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u7684\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* zhangxinxu: \u6709\u6548 *\/<\/span>\r\nrgb(0, 0, 0, 100%)\r\nhsla(0, 100%, 50%, 80%)<\/pre>\n<\/li>\n<li><code>hsl()<\/code>\u4e2d\u7684\u8272\u8c03\u53ef\u4ee5\u4f7f\u7528\u4efb\u610f\u89d2\u5ea6\u5355\u4f4d\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u7684\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* \u6709\u6548 *\/<\/span>\r\nhsl(270deg, 60%, 70%)\r\nhsl(4.71239rad, 60%, 70%)\r\nhsl(.75turn, 60%, 70%)<\/pre>\n<\/li>\n<li><code>rgb()<\/code>\u548c<code>hsl()<\/code>\u8bed\u6cd5\u4e2d\u7684\u9017\u53f7\u53ef\u4ee5\u5ffd\u7565\uff0c\u4e5f\u5c31\u662f\u4e0b\u9762\u7684\u8bed\u6cd5\u4e5f\u662f\u53ef\u4ee5\u89e3\u6790\u7684\uff1a\n<pre><span class=\"green\">\/* \u6709\u6548 *\/<\/span>\r\nrgb(255 0 0)\r\nhsl(270 60% 70%)<\/pre>\n<\/li>\n<\/ol>\n<p>\u800c\u4ee5\u4e0a\u6240\u6709\u793a\u610f\u7684\u8bed\u6cd5\u5728IE\u6d4f\u89c8\u5668\u4e2d\u5747\u4e0d\u652f\u6301\u3002<\/p>\n<h3>\u4e09\u3001RGB\u989c\u8272\u548cHSL\u989c\u8272\u65b0\u8bed\u6cd5<\/h3>\n<p>\u73b0\u4ee3\u6d4f\u89c8\u5668\u8fd8\u652f\u6301\u5168\u65b0\u7684\u7a7a\u683c\u52a0\u659c\u6760\u8bed\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>rgb(255 0 153 \/ 1)\r\nrgb(255 0 153 \/ 100%)\r\nrgba(51 170 51 \/ 0.4)\r\nrgba(51 170 51 \/ 40%)\r\nhsl(270 60% 50% \/ .15)\r\nhsl(270 60% 50% \/ 15%)<\/pre>\n<p>\u4e5f\u5c31\u662fR\u3001G\u3001B\u8272\u503c\u6216\u8005H\u3001S\u3001L\u8272\u503c\u4f7f\u7528\u7a7a\u683c\u5206\u9694\uff0c\u900f\u660e\u5ea6\u4f7f\u7528\u659c\u6760\u5206\u9694\u3002<\/p>\n<p>\u7a7a\u683c\u8bed\u6cd5\u548c\u4f20\u7edf\u7684\u9017\u53f7\u8bed\u6cd5\u76f8\u6bd4\uff0c\u53ea\u662f\u4e00\u79cd\u5199\u7684\u8bed\u6cd5\u5f62\u5f0f\uff0c\u552f\u4e00\u7684\u4f18\u70b9\u5c31\u662f\u4e66\u5199\u66f4\u5feb\u4e86\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u539f\u56e0\u5f88\u7b80\u5355\uff0c\u952e\u76d8\u4e0a\u7684\u7a7a\u683c\u952e\u8981\u6bd4\u9017\u53f7\u952e\u5927\u5f97\u591a\u3002<\/p>\n<h3>\u56db\u3001\u7ed3\u8bed\u4e9a\u6492\u897f<\/h3>\n<p>\u817e\u8baf\u7684X5\u5185\u6838\u652f\u6301\u4e86\u5f88\u591aCSS\u65b0\u7279\u6027\uff0c\u4f8b\u5982CSS\u53d8\u91cf\u3001\u6ee4\u955c\u548c\u6df7\u5408\u6a21\u5f0f\u7b49\uff0c\u5373\u4f7f\u8bbe\u5907\u662fAndroid 4\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9bCSS\u65b0\u7279\u6027\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u91cc\u7684CSS Level 4\u5b9a\u4e49\u7684\u65b0\u7684\u8272\u503c\u8868\u793a\u6cd5\u817e\u8baf\u7684X5\u5185\u6838\u5374\u6ca1\u6709\u652f\u6301\uff0c\u517c\u5bb9\u6027\u53cd\u800c\u4e0d\u5982Native\u6d4f\u89c8\u5668\u3002<\/p>\n<p>\u8fd9\u4e2a\u5c0f\u7ec6\u8282\u6211<span class=\"hidden\">\uff08\u5f20\u946b\u65ed\uff09<\/span>\u4e4b\u524d\u9047\u5230\u8fc7\u4e00\u4e2a\u5751\u3002<\/p>\n<p>\u6240\u6709\u8fd9\u4e9b\u989c\u8272\u8868\u793a\u7684\u65b0\u8bed\u6cd5\u4e2d\uff0c#RRGGBBAA\u662f\u6700\u4e3a\u5b9e\u7528\u7684\uff0c\u4f7f\u7528\u9891\u7387\u662f\u6700\u9ad8\u7684\uff0c\u81f3\u4e8e\u5176\u4ed6\u4e00\u4e9b\u65b0\u7684\u8bed\u6cd5\uff0c\u6216\u8005\u5bb9\u9519\u6027\u7684\u589e\u5f3a\uff0c\u597d\u56fa\u7136\u597d\uff0c\u4f46\u662f\u65e5\u5e38\u5f00\u53d1\u9c9c\u6709\u673a\u4f1a\u7528\u5230\u3002<\/p>\n<p>\u6761\u6761\u5927\u8def\u901a\u7f57\u9a6c\uff0c\u4f46\u662f\u4e00\u6b21\u53ea\u80fd\u8d701\u6761\u8def\uff0c\u6240\u4ee5\u539f\u6765\u90a3\u6761\u8def\u597d\u597d\u7684\uff0c\u4e5f\u5c31\u6ca1\u5fc5\u8981\u4f7f\u7528\u90a3\u4e9b\u53ef\u80fd\u6709\u5751\u7684\u8def\u3002<\/p>\n<p>OK\uff0c\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u5185\u5bb9\uff0c\u589e\u52a0\u70b9CSS\u77e5\u8bc6\u7684\u5e7f\u5ea6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/\/image.zhangxinxu.com\/image\/emtion\/emoji\/1f603.svg\" width=\"20\" height=\"20\" align=\"absmiddle\"><\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u6b22\u8fce\u5206\u4eab\uff0c\u52ff\u5168\u6587\u8f6c\u8f7d\uff0c\u5982\u679c\u5b9e\u5728\u559c\u6b22\uff0c\u53ef\u6536\u85cf\uff0c\u6c38\u4e0d\u8fc7\u671f\uff0c\u4e14\u4f1a\u53ca\u65f6\u66f4\u65b0\u77e5\u8bc6\u70b9\u53ca\u4fee\u6b63\u9519\u8bef\uff0c\u9605\u8bfb\u4f53\u9a8c\u4e5f\u66f4\u597d\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=9595\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=9595<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202010\/color-level4-cover.png\" width=\"160\" height=\"110\" alt=\"\u591a\u5f69\u989c\u8272\u8868\u793a\" class=\"alignright size-medium\" \/><\/p>\n<p>\u672c\u6587\u4ecb\u7ecd#RRGGBBAA\u8272\u503c\u8868\u793a\u6cd5\uff0c\u5bf9\u5e94\u7684\u900f\u660e\u5ea6\u768416\u8fdb\u5236\u8272\u503c\uff0cRGB\u989c\u8272\u548cHSL\u989c\u8272\u8bed\u6cd5\u4ee5\u524d\u7684\u9650\u5236\u90fd\u53d6\u6d88\u4e86\uff0c\u652f\u6301\u5c0f\u6570\uff0c\u53c2\u6570\u4e2a\u65703\u4e2a4\u4e2a\u90fd\u53ef\u4ee5\uff0c\u4ee5\u53ca\u4ecb\u7ecdRGB\u989c\u8272\u548cHSL\u989c\u8272\u7684\u65b0\u8bed\u6cd5\uff0c\u5e0c\u671b\u672c\u6587\u5185\u5bb9\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[173,333,1177,398,497,1675,251],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/9595"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=9595"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/9595\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=9595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=9595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=9595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}