Monochrome palette
Sumac Plaza
Sumac Plaza runs #005d8d through #4087b7, #5ca3d4, #77b2dc to #93cffa in five measured steps, the tetradic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skymonochromefive-stop
#005d8d
#4087b7
#5ca3d4
#77b2dc
#93cffa
The generator opens with #005d8d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.