天气预报 > 其他 > 为什么黑色衣服洗完就变红了
为什么黑色衣服洗完就变红了
更新时间: 2020-07-03 00:00:00  

因为黑色是由红、黄、蓝三原色的不同配比调和出来的。颜料三原色的混合,亦称为减色混合,是光线的减少,两色混合后,光度低于两色各自原来的光度,合色愈多,被吸收的光线愈多,就愈近于黑。所以,黑色的衣服一般呈现的是:偏红色的黑或偏蓝色的黑。衣服洗后变为红色,说明是衣服内的红色染剂的浮色多些。

关键词: 为什么 黑色 衣服

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