Sumi palette
Marble Brook
Marble Brook runs #9d3a00 through #cc6539, #eb8155, #f29772 to #ffbda2 in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#9d3a00
#cc6539
#eb8155
#f29772
#ffbda2
The generator opens with #9d3a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.