Nebula palette
Sable Porch
Dark anchor, working middle, light release: #007574, #00a4a2, #3dc1be, #69cecb, #87ece9 form a complementary nebula set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#007574
#00a4a2
#3dc1be
#69cecb
#87ece9
The generator opens with #007574 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.