Storybook palette
Mustard Cellar
Mustard Cellar runs #004457 through #006e8a, #2f89a6, #5197b0 to #6db3cc in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for fintech onboarding that must feel both safe and modern. The darkest and lightest stops clear AA as a text pair.
cyanstorybookfive-stophigh-contrast
#004457
#006e8a
#2f89a6
#5197b0
#6db3cc
The generator opens with #004457 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.