The image below is a single 20-second exposure taken with a red-green-blue filter.

下图是用红-绿-蓝滤光片拍摄的单一20秒曝光照片。

youdao

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The first pictures of Earth taken from space showed a solid ball covered by brown and green landmasses and blue-green oceans.

VOA: special.2011.01.04

What about the kind of cyan-ish, blue-green one? Yup.

那这个蓝绿色的呢？

麻省理工公开课 - 化学原理课程节选

One is that there's four different colors and so you can see red, blue, yellow, green here - four different colors and that's all there are, there aren't more than four.

一是这些梯阶有四种不同颜色,你可以看到红 蓝 黄 绿,恰恰只有四种不同颜色,不多不少

耶鲁公开课 - 生物医学工程探索课程节选

Quattron color technology adds a yellow pixel to the standard red-green-blue sub-pixel structure, delivering more than a billion colors.

ENGADGET: Sharp announces new 6-, 7- and 8-Series AQUOS LED TVs as part of 2013 lineup (update: pricing info)

Dune after dune, rising and falling beneath his feet, then finally falling, falling, falling all the way to a gray-green-blue vastness, riffled, glinting, and crossed by the cloud shadows as far as the eye could see.

NEWYORKER: Ziggurat

Using a specialized sub-pixel signal processing for Sharp's red-green-blue-yellow Quattron pixel panel, the next genesis of Quattron will allow the control and use of these colors individually, enabling the reproduction of double resolution in one singular pixel.

ENGADGET: Sharp AQUOS Ultra HD, 1080p HDTVs eyes-on HD