Storybook palette
Vernal Inn
From #004b57 ink through #007687, #3191a3, #549fae to #71bbca light, Vernal Inn 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.
cyanstorybookfive-stophigh-contrast
#004b57
#007687
#3191a3
#549fae
#71bbca
The generator opens with #004b57 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.