Industrial palette
Birch Alley
Birch Alley runs #004851 through #007380, #308e9b, #539ba7 to #6fb8c3 in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
cyanindustrialfive-stophigh-contrast
#004851
#007380
#308e9b
#539ba7
#6fb8c3
The generator opens with #004851 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.