#129055 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #129055 works with other colors. Named schemes with #129055 in its natural role, and a note on why the supporting colors balance it.
Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Sea Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
Sea Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Sea Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Sea Green carrying the quiet middle.
How #129055 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.
Not a swatch to memorise — a color to build with. Here is #129055 at work across the surfaces designers actually ship.
:root {
--color-base: #129055;
--color-base-rgb: 18 144 85;
--color-base-oklch: oklch(57.6% 0.136 155.6);
--color-50: #F1FEF8;
--color-100: #DAFBEC;
--color-200: #B6F6D8;
--color-300: #85EABB;
--color-400: #58DA9D;
--color-500: #36BF7F;
--color-600: #309164;
--color-700: #286749;
--color-800: #1E4332;
--color-900: #14291F;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F1FEF8',
100: '#DAFBEC',
200: '#B6F6D8',
300: '#85EABB',
400: '#58DA9D',
500: '#36BF7F',
600: '#309164',
700: '#286749',
800: '#1E4332',
900: '#14291F',
},
}
$base: #129055; $base-ink: #141310; $base-50: #F1FEF8; $base-100: #DAFBEC; $base-200: #B6F6D8; $base-300: #85EABB; $base-400: #58DA9D; $base-500: #36BF7F; $base-600: #309164; $base-700: #286749; $base-800: #1E4332; $base-900: #14291F; $base-hover: #0E7445; $base-subtle: #ACEACD;
{
"color": {
"base": {
"value": "#129055",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF8",
"type": "color"
},
"100": {
"value": "#DAFBEC",
"type": "color"
},
"200": {
"value": "#B6F6D8",
"type": "color"
},
"300": {
"value": "#85EABB",
"type": "color"
},
"400": {
"value": "#58DA9D",
"type": "color"
},
"500": {
"value": "#36BF7F",
"type": "color"
},
"600": {
"value": "#309164",
"type": "color"
},
"700": {
"value": "#286749",
"type": "color"
},
"800": {
"value": "#1E4332",
"type": "color"
},
"900": {
"value": "#14291F",
"type": "color"
}
}
}
}