Storm palette
Grassy Gazebo
From #00495f ink through #007394, #318eb0, #549cb9 to #70b9d7 light, Grassy Gazebo is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanstormfive-stophigh-contrast
#00495f
#007394
#318eb0
#549cb9
#70b9d7
The generator opens with #00495f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.