Autumn palette
Sienna Brook
From #526300 ink through #778f04, #92ab35, #a2b95c to #bfd778 light, Sienna Brook is a split-complementary 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 for large text.
yellowautumnfive-stop
#526300
#778f04
#92ab35
#a2b95c
#bfd778
The generator opens with #526300 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.