Frost palette
Sooty Marsh
Five frost stops with room to breathe — #004e55 grounds, #007984 and #32949f do the talking, #56a2ab softens, #72bec8 lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanfrostfive-stop
#004e55
#007984
#32949f
#56a2ab
#72bec8
The generator opens with #004e55 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.