When the sky is very blue, the finger tip will also taint with up the color of sunlight, very small beauty, light happiness.

天空很蓝的时候，指尖也会沾染上阳光的颜色，小小的美丽，淡淡的快乐。

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Working from the then-relatively new theory of complementary colors, the logical color to use was violet, being the complementary of yellow, the color of sunlight.

根据当时比较新鲜的补色理论，应该使用紫色才合乎逻辑，因为它是阳光的颜色——黄色的补色。

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Yellow is the color of sunlight. People say it is a cheerful and lively color. They associate yellow, too, with happiness. Because it is bright, it is used for signs of caution.

黄色是阳光的颜色。人们说黄色是一种欢快的充满生机的颜色。人们也把黄色和幸福快乐联系在一起。因为黄色鲜艳，黄色也被用作警告的标志。

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Sunlight makes many of them appear to be the color of fire.

VOA: special.2009.04.15

It is an interesting triple "coincidence, " which probably evolved over time, that our eyes are most sensitive to yellow-green light, which happens to be the characteristic color of sunlight as well as the color that can most easily be transmitted through the Earth's atmosphere.

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The salt itself, up close, was the color of unbleached sugar, but the sunlight used it as if it were the brightest white.

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