Monochrome palette
Primrose Marsh
From #00576a ink through #00839e, #359fba, #5badc4 to #78c9e2 light, Primrose Marsh is a split-complementary 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
#00576a
#00839e
#359fba
#5badc4
#78c9e2
The generator opens with #00576a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.