Midcentury palette
Cranberry Crater
From #004a46 ink through #007670, #31918b, #549e98 to #70bab4 light, Cranberry Crater is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanmidcenturyfive-stophigh-contrast
#004a46
#007670
#31918b
#549e98
#70bab4
The generator opens with #004a46 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.