Blue Hour palette
Spruce Grove
From #8d1900 ink through #c73c21, #e75a3f, #ed755d to #ff9b85 light, Spruce Grove is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redbluehourfive-stophigh-contrast
#8d1900
#c73c21
#e75a3f
#ed755d
#ff9b85
The generator opens with #8d1900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.