Nebula palette
Whispering Courtyard
Dark anchor, working middle, light release: #00504d, #007c77, #339792, #56a49f, #73c1bb form a tetradic nebula set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#00504d
#007c77
#339792
#56a49f
#73c1bb
The generator opens with #00504d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.