Opera palette
Glassy Dock
Dark anchor, working middle, light release: #ac3500, #dd6138, #fd7e55, #ff9878, #ffc5b3 form a tetradic opera set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redoperafive-stop
#ac3500
#dd6138
#fd7e55
#ff9878
#ffc5b3
The generator opens with #ac3500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.