Retro palette
Calico Caravan
From #950021 ink through #c73d47, #e75b61, #ed7677 to #ff9c9b light, Calico Caravan is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
redretrofive-stophigh-contrast
#950021
#c73d47
#e75b61
#ed7677
#ff9c9b
The generator opens with #950021 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.