Petrichor palette
Mustard Abbey
Mustard Abbey runs #004c5a through #00778b, #3292a7, #55a0b1 to #71bcce in five measured steps, the tetradic 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
#004c5a
#00778b
#3292a7
#55a0b1
#71bcce
The generator opens with #004c5a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.