Retro palette
Ember Glade
Dark anchor, working middle, light release: #b40008, #e34c40, #ff6f60, #ff8e7f, #ffbcb2 form a analogous retro 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 for large text.
redretrofive-stop
#b40008
#e34c40
#ff6f60
#ff8e7f
#ffbcb2
The generator opens with #b40008 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.