#12561E is a mid-toned, temperate teal-green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #12561E works with other colors. Named schemes with #12561E in its natural role, and a note on why the supporting colors balance it.
Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Castleton 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.
Castleton Green anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.
Castleton Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Castleton 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 Castleton Green carrying the quiet middle.
How #12561E 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 #12561E at work across the surfaces designers actually ship.
:root {
--color-base: #12561E;
--color-base-rgb: 18 86 30;
--color-base-oklch: oklch(39.9% 0.110 145.8);
--color-50: #F2FDF4;
--color-100: #DDF9E2;
--color-200: #BCF1C5;
--color-300: #8EE29D;
--color-400: #63CF77;
--color-500: #41B456;
--color-600: #388947;
--color-700: #2D6237;
--color-800: #214027;
--color-900: #162719;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDF4',
100: '#DDF9E2',
200: '#BCF1C5',
300: '#8EE29D',
400: '#63CF77',
500: '#41B456',
600: '#388947',
700: '#2D6237',
800: '#214027',
900: '#162719',
},
}
$base: #12561E; $base-ink: #FFFFFF; $base-50: #F2FDF4; $base-100: #DDF9E2; $base-200: #BCF1C5; $base-300: #8EE29D; $base-400: #63CF77; $base-500: #41B456; $base-600: #388947; $base-700: #2D6237; $base-800: #214027; $base-900: #162719; $base-hover: #0E4318; $base-subtle: #A4E0AF;
{
"color": {
"base": {
"value": "#12561E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF4",
"type": "color"
},
"100": {
"value": "#DDF9E2",
"type": "color"
},
"200": {
"value": "#BCF1C5",
"type": "color"
},
"300": {
"value": "#8EE29D",
"type": "color"
},
"400": {
"value": "#63CF77",
"type": "color"
},
"500": {
"value": "#41B456",
"type": "color"
},
"600": {
"value": "#388947",
"type": "color"
},
"700": {
"value": "#2D6237",
"type": "color"
},
"800": {
"value": "#214027",
"type": "color"
},
"900": {
"value": "#162719",
"type": "color"
}
}
}
}