Monochrome palette
Opal Clearing
Opal Clearing runs #3a5d00 through #5e872c, #78a349, #8bb166 to #a7cd82 in five measured steps, the split-complementary structure keeping every neighbor honest. Reach for it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
chartreusemonochromefive-stop
#3a5d00
#5e872c
#78a349
#8bb166
#a7cd82
The generator opens with #3a5d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.