Monochrome palette
Earthen Parlor
From #004468 ink through #006da2, #2f88bf, #5197c6 to #6db3e4 light, Earthen Parlor is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
skymonochromefive-stophigh-contrast
#004468
#006da2
#2f88bf
#5197c6
#6db3e4
The generator opens with #004468 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.