Storybook palette
Sumac Square
Dark anchor, working middle, light release: #006369, #009099, #38acb5, #60b9c1, #7ed7de form a tetradic storybook set with somewhere to stand at every lightness. Made for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
cyanstorybookfive-stop
#006369
#009099
#38acb5
#60b9c1
#7ed7de
The generator opens with #006369 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.