Petrichor palette
Russet Cellar
Russet Cellar runs #00616e through #008ea0, #38aabc, #60b8c7 to #7dd5e5 in five measured steps, the split-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
#00616e
#008ea0
#38aabc
#60b8c7
#7dd5e5
The generator opens with #00616e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.