Monochrome palette
Cornsilk Brook
From #005b6b ink through #00879d, #36a3b9, #5db1c4 to #7acde1 light, Cornsilk Brook 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 for large text.
cyanmonochromefive-stop
#005b6b
#00879d
#36a3b9
#5db1c4
#7acde1
The generator opens with #005b6b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.