Nebula palette
Faraway Caravan
Five nebula stops with room to breathe — #004a45 grounds, #00766e and #319188 do the talking, #549e96 softens, #70bab2 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
tealnebulafive-stophigh-contrast
#004a45
#00766e
#319188
#549e96
#70bab2
The generator opens with #004a45 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.