If color is used to represent a specific meaning, visually impaired users or users with a system in high contrast mode will be unable identify the message conveyed by the colors alone.

如果用颜色来表示特定的含义，视力受损的用户或使用高对比模式系统的用户就无法了解只通过颜色传达的信息。

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Apart from this, color contrast can be deliberately used to draw the visual attention of users to relevant UI elements that feature important information or require inputs.

除此之外，颜色对比度通常被用于把浏览者的注意力引向某些传递关键信息或者需要输入的重要UI元素。

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The first consideration is contrast: links have to be dark (or light) enough to contrast with the background color.

第一要义就是差异(对比)：链接要足够暗(或者亮)以和背景色相对照。

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Perhaps one of the stranger rule changes, and one Boise State fans surely will notice, would require teams to have either their jerseys or pants contrast in color to the playing field.

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And while mirrored lenses can look pretty cool, the option has a purpose, reflecting sun and thus decreasing the VLT so you can get the contrast benefits of the rose or amber color while using it in sunnier conditions.

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The three-property orange group, by contrast, gets landed on more than any other color group (because players who go to jail must pass through or over them upon exiting), and it can be developed at a reasonable price.

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