Petrichor palette
Obsidian Bookshop
Obsidian Bookshop runs #00737f through #00a1b1, #3cbece, #68cbd9 to #87e9f7 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00737f
#00a1b1
#3cbece
#68cbd9
#87e9f7
The generator opens with #00737f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.