I spell colour with a U (as I'm British) while I'm writing text for humans, but without when I'm writing text for computers (as software languages like css were created or standardised for American English spelling, color: red). This can get confusing when I'm talking about writing code about colours. Weird eh? This was a decision made in the early days of #Deliveroo, and it's kinda stuck with me.

LCH colours

I'm a big fan of the LCH colour space, which is designed to allow for consistent human-perceived luminescence as the hue and chroma change. Read more here.