Matcha palette
Mustard Bluff
From #005535 ink through #008354, #349f6e, #58ab81 to #75c89c light, Mustard Bluff is a tetradic 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.
tealmatchafive-stop
#005535
#008354
#349f6e
#58ab81
#75c89c
The generator opens with #005535 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.