Petrichor palette
Amber Heath
From #007285 ink through #249fb6, #4abcd3, #70c9dd to #8ee7fb light, Amber Heath 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 for large text.
cyanpetrichorfive-stop
#007285
#249fb6
#4abcd3
#70c9dd
#8ee7fb
The generator opens with #007285 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.