OKLCH is a newer color model that is designed to be perceptually uniform. This means that colors are much more accurate in terms of how humans perceive them and it makes working with them much easier.
Colour
What Are OKLCH Colors?
jakub.krLili Arnold
liliarnold.com
Tia Keobounpheng
tiakeobounpheng.com
Niall Staines
niallstaines.com
Derrick Velasquez
derrickvelasquez.com
Four-Color Houses
paperholm.com
An interactive guide to color & contrast
colorandcontrast.comA comprehensive guide for exploring and learning about the theory, science, and perception of color and contrast.