Petrichor palette
Obsidian Mill
Obsidian Mill runs #00717e through #009fb0, #3cbccd, #68c9d8 to #86e7f5 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00717e
#009fb0
#3cbccd
#68c9d8
#86e7f5
The generator opens with #00717e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.