Petrichor palette
Obsidian Garret
From #955367 ink through #905d2f, #007888, #b26d81 to #3293a4 light, Obsidian Garret is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size.
orangepetrichorfive-stop
#955367
#905d2f
#007888
#b26d81
#3293a4
The generator opens with #955367 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.