Opera palette
Evening Hollow
From #642d00 ink through #9d4b00, #bb662a, #c37a4b to #e19666 light, Evening Hollow is a monochromatic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
orangeoperafive-stophigh-contrast
#642d00
#9d4b00
#bb662a
#c37a4b
#e19666
The generator opens with #642d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.