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ENH: Improved color Manipulation tools #9995
Description
Feature suggestion
In #9985 a small utility was proposed to brighten or darken a matplotlib color. The utility converted to RGB, to HLS, manipulated the L (lightness) channel, and converted back to RGB.
There was general disagreement about how exactly to do the brightening, (fractional: L*(1+frac), absolute: L + dL, or simply specifying L), the lack of a rgb_to_hls converter was lamented (to mirror the rgb_to_hsv converter, and it was suggested that a color class that simply had methods to change channels in the various color spaces would be the better approach.
Writing such a class was beyond the scope proposed in #9985, hence this issue for discussion. I'd imagine such a color class would require a MEP.
Reacted by Tim Hoffmann
Activity
QuLogic commentedon Mar 24, 2023
As another note, the standard library contains
colorsyswhich does contain the missingrgb_to_hls.github-actions commentedon Jun 17, 2024
This issue has been marked "inactive" because it has been 365 days since the last comment. If this issue is still present in recent Matplotlib releases, or the feature request is still wanted, please leave a comment and this label will be removed. If there are no updates in another 30 days, this issue will be automatically closed, but you are free to re-open or create a new issue if needed. We value issue reports, and this procedure is meant to help us resurface and prioritize issues that have not been addressed yet, not make them disappear. Thanks for your help!
timhoffm commentedon Jun 17, 2024
Note: Seaborn has a function desaturate.
Maybe it's an option to just pull this upstream.