#128151 is a mid-toned, cool teal-green. On the Color Lab it reads organic and grounded, with a faded, vintage edge. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #128151 works with other colors. Named schemes with #128151 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 #128151 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 #128151 at work across the surfaces designers actually ship.
:root {
--color-base: #128151;
--color-base-rgb: 18 129 81;
--color-base-oklch: oklch(53.4% 0.120 157.9);
--color-50: #F1FEF8;
--color-100: #DAFBED;
--color-200: #B7F5DA;
--color-300: #87E9BE;
--color-400: #5AD8A1;
--color-500: #37BD83;
--color-600: #329067;
--color-700: #29664B;
--color-800: #1E4333;
--color-900: #142920;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F1FEF8',
100: '#DAFBED',
200: '#B7F5DA',
300: '#87E9BE',
400: '#5AD8A1',
500: '#37BD83',
600: '#329067',
700: '#29664B',
800: '#1E4333',
900: '#142920',
},
}
$base: #128151; $base-ink: #FFFFFF; $base-50: #F1FEF8; $base-100: #DAFBED; $base-200: #B7F5DA; $base-300: #87E9BE; $base-400: #5AD8A1; $base-500: #37BD83; $base-600: #329067; $base-700: #29664B; $base-800: #1E4333; $base-900: #142920; $base-hover: #0E6841; $base-subtle: #A9E8CD;
{
"color": {
"base": {
"value": "#128151",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF8",
"type": "color"
},
"100": {
"value": "#DAFBED",
"type": "color"
},
"200": {
"value": "#B7F5DA",
"type": "color"
},
"300": {
"value": "#87E9BE",
"type": "color"
},
"400": {
"value": "#5AD8A1",
"type": "color"
},
"500": {
"value": "#37BD83",
"type": "color"
},
"600": {
"value": "#329067",
"type": "color"
},
"700": {
"value": "#29664B",
"type": "color"
},
"800": {
"value": "#1E4333",
"type": "color"
},
"900": {
"value": "#142920",
"type": "color"
}
}
}
}