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That's not universal advice, it depends on the problem domain. Since people are used to yellow being brighter than purple, if you try to maintain the same lumin
by mark-r 7y ago
That's not universal advice, it depends on the problem domain. Since people are used to yellow being brighter than purple, if you try to maintain the same luminosity you can make things totally messed up. If you're trying to recolor a purple object to yellow, you're unlikely to get a satisfactory result unless you keep the original intensity - keeping a constant luminosity will give a too dark result that doesn't even look yellow.
- seph-reed 7y agoTrue. In my scenario I was dealing with procedurally generated UIs based off a custom color palette. In order to keep things readable, there has to be a certain level of contrast between text and background. This contrast is based off perceived brightness (lums) rather than rgb diffs. I've also used it for LED projects, and it helps a lot with that obnoxious brighter/darker wave that you get when rotating through hues. The reason I brought it up in this thread in particular is because it's about HSV. Anytime I've dealt with HSV, it's because there's some hue rotation going on. I think HS Lum creates a more intuitive color rotation aesthetic for things with less saturation. It maintains shading rather than colorfulness.