Tropical palette
Iris Square
From #005c5c ink through #8d4e54, #007272, #aa686d to #308d8d light, Iris Square is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines.
cyantropicalfive-stop
#005c5c
#8d4e54
#007272
#aa686d
#308d8d
The generator opens with #005c5c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.