Nebula palette
Flannel Square
Dark anchor, working middle, light release: #006d68, #079b94, #3db7b0, #66c5be, #84e2db form a analogous nebula set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#006d68
#079b94
#3db7b0
#66c5be
#84e2db
The generator opens with #006d68 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.