Surf palette
Sooty Reef
Five surf stops with room to breathe — #006b51 grounds, #009a75 and #3ab690 do the talking, #63c3a1 softens, #81e1be lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
tealsurffive-stop
#006b51
#009a75
#3ab690
#63c3a1
#81e1be
The generator opens with #006b51 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.