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彩色印刷的三原色是什么?为何要这样选择?

问答题
2022-04-02 14:20
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正确答案
彩色印刷的三原色是黄、品红、青,这样选择是因为视网膜的中央窝内有感红、感绿、感蓝三种锥体细胞。它们受到不同色光刺激会形成不同的颜色感觉。因此,只要有效地控制进入人眼的R、G、B的刺激量,也就相对控制了自然界各种物体的表面色彩。而Y、M、C通过改变自身的厚度(或浓度),能够很容易地改变R、G、B三原色光的吸收量,以完成控制进入人眼的R、G、B三刺激值的数量。因此Y、M、C称为减色三原色。

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