Frost palette
Mustard Atelier
From #005769 ink through #00829c, #359eb8, #5aabc2 to #77c8e0 light, Mustard Atelier 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.
cyanfrostfive-stop
#005769
#00829c
#359eb8
#5aabc2
#77c8e0
The generator opens with #005769 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.