Aurora palette
Crackling Mill
Dark anchor, working middle, light release: #413e98, #6669c2, #8084e0, #9096e5, #adb3ff form a tetradic aurora set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
blueaurorafive-stophigh-contrast
#413e98
#6669c2
#8084e0
#9096e5
#adb3ff
The generator opens with #413e98 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.