4 ms·
Oh sorry, yeah ugly is a really subjective term, I should have explained. The 0.5 sRGB grey (aka 50%, 0x7f or 0x80) is right smack at the grey value most peopl
by mtklein 4y ago
Oh sorry, yeah ugly is a really subjective term, I should have explained.
The 0.5 sRGB grey (aka 50%, 0x7f or 0x80) is right smack at the grey value most people would pick as the halfway point between black and white.
A linear 0.5 grey is way off from that, I think way too bright, but I’m about 10 months off working on this and to be honest this is one of those things like east/west or left/right that I can never remember without working out the math on a piece of paper. Too bright or too dark for sure, not at all a medium grey.
It took my team a long time to not think of linear and sRGB interpolation in terms of good vs. bad, right vs. wrong, modern vs. legacy, etc. There are good uses for interpolating in both color spaces, and an a variety of others like HSL, HSV, CMY, perceptual spaces. Sorry for continuing the problem. There’s no ugly color space; they all have good uses.
- zarzavat 4y agoWhat I use is HSL whereby the H is in LRGB and the L is in SRGB (I forget what the S is but it’s one of the two). Very simple way of getting the best of both worlds when doing color math.
- PaulHoule 4y agoIf you want to simulate light at a physical level (even as simple as two projectors shining light at the same wall) then Linear Light is correct —- it is any time when your mental model includes ‘light’… It just works. You are right though that schemes like sRGB are a better fit for perceptual brightness. As you say the slider works the way people expect it to and you don’t need so many gray levels. 8 bit linear light shows posterization at some levels and is shaded too finely at others. If you want good results with linear light and common tools you need 16 bits of grey.