The hue, brightness, and saturation of color perception depend on wavelength range, scale, and energy. If all kinds of light stimulate the trichromatic unit of the human eye according to a certain proportion and energy, and are in a state of balance, you can get the achromatic feeling. Strong energy can get the white feeling, moderate to get the gray feeling, weak to get the black feeling 。
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Liyang Paper Products Co., Ltd.
[Guangdong,China]
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