经过辛苦查找，发现的好站点，分享一下：
Useful Color Equations
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收集了绝大部分的颜色空间转换的公式
Useful Color Equations
The following table contains links to mathematical equations for converting among various CIE color representations. An implementation of these may be found in my. You can see from this table that some color conversions may be accomplished by single steps, while others may require several intermediate steps to reach the final goal.
| From | To | ||||||
|---|---|---|---|---|---|---|---|
| XYZ | xyY | Lab | LCHab | Luv | LCHuv | RGB | |
| Spectrum | |||||||
| XYZ | - | ||||||
| xyY | - | ||||||
| Lab | - | ||||||
| LCHab | - | ||||||
| Luv | - | ||||||
| LCHuv | - | ||||||
| RGB | - | ||||||
Other Assorted Equations
• Color differences
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