Retro palette
Sumac Deck
From #881000 ink through #c23520, #e2543d, #e86f5a to #ff927e light, Sumac Deck is a tetradic progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
redretrofive-stophigh-contrast
#881000
#c23520
#e2543d
#e86f5a
#ff927e
The generator opens with #881000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.