colors - LESS 颜色函数 lighten 和 tint 之间有什么区别？

Question

两者 lighten和 tint似乎使颜色变浅(更接近白色)。为什么 LESS 定义了两者？
来自 the LESS documentation :

lighten(@color, 10%); // return a color 10% points *lighter*

tint(@color, 10%); // return a color mixed 10% with white

如何 one site定义 色调 (注意“打火机”一词的使用):

If you tinted a color, you've been adding white to the original color.

A tint is lighter than the original color.

Answer 1

来自 this thread那是在要求 tint来 this comment :

Tint/shade is not the same thing as lighten/darken. Tint and shade are effectively mixing with white and black respectively, whereas lighten/darken are manuipulating the luminance channel independently of hue and saturation. The former can produce hue shifts, whereas the latter does not. That's not to say it's not useful, just that it's not the same thing. Mathematically it's that linear changes in RGB space do not necessarily correspond with linear changes in HSL space, though in practice they will produce fairly similar results.

两者背后的数学略有不同。