这是一个创建于 2609 天前的主题，其中的信息可能已经有所发展或是发生改变。
这里有个测试视觉对比度的网站, http://leaverou.github.io/contrast-ratio/
它上面有一些说明.
As you type, the contrast ratio indicated will update. Hover over the circle to get more detailed information. When semi-transparent colors are involved as backgrounds, the contrast ratio will have an error margin, to account for the different colors they may be over.
其中 When semi-transparent colors are involved as backgrounds, the contrast ratio will have an error margin, to account for the different colors they may be over.
这句话不明白啥意思.
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iConnect 2017-10-03 20:06:06 +08:00 via Android
简单讲，就是背景不能用半透明(准确讲，应该是不能设置背景的透明度)。
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iConnect 2017-10-03 20:07:56 +08:00 via Android
前端开发经常会遇到这种图片规范啊，图层不能设置透明度。
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ho121 2017-10-03 20:15:44 +08:00
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flaneurse 2017-10-03 21:09:31 +08:00
改成.5 以下对比度就变成红色啦
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lightening 2017-10-03 21:21:21 +08:00
当背景使用半透明色彩时，（给出的）对比度会有一个误差范围（下面的+/-值），因为它们（用作背景的半透明色彩）可能被叠加在各种不同的颜色上。
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xzpjerry731 2017-10-03 23:16:09 +08:00
感觉他后一个逗号加多了。。。“ When semi-transparent colors are involved as backgrounds, the contrast ratio will have an error margin to account for the different colors they may be over.” 这下顺眼了吧
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jin7 OP |
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