#104F1E is a deep, temperate teal-green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #104F1E works with other colors. Named schemes with #104F1E 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 carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.
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 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 #104F1E 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 #104F1E at work across the surfaces designers actually ship.
:root {
--color-base: #104F1E;
--color-base-rgb: 16 79 30;
--color-base-oklch: oklch(37.7% 0.101 146.9);
--color-50: #F2FDF4;
--color-100: #DCF9E3;
--color-200: #BBF1C7;
--color-300: #8DE29F;
--color-400: #62D07A;
--color-500: #40B559;
--color-600: #388A4A;
--color-700: #2D6238;
--color-800: #214027;
--color-900: #16281A;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDF4',
100: '#DCF9E3',
200: '#BBF1C7',
300: '#8DE29F',
400: '#62D07A',
500: '#40B559',
600: '#388A4A',
700: '#2D6238',
800: '#214027',
900: '#16281A',
},
}
$base: #104F1E; $base-ink: #FFFFFF; $base-50: #F2FDF4; $base-100: #DCF9E3; $base-200: #BBF1C7; $base-300: #8DE29F; $base-400: #62D07A; $base-500: #40B559; $base-600: #388A4A; $base-700: #2D6238; $base-800: #214027; $base-900: #16281A; $base-hover: #0D4018; $base-subtle: #A2E0AF;
{
"color": {
"base": {
"value": "#104F1E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF4",
"type": "color"
},
"100": {
"value": "#DCF9E3",
"type": "color"
},
"200": {
"value": "#BBF1C7",
"type": "color"
},
"300": {
"value": "#8DE29F",
"type": "color"
},
"400": {
"value": "#62D07A",
"type": "color"
},
"500": {
"value": "#40B559",
"type": "color"
},
"600": {
"value": "#388A4A",
"type": "color"
},
"700": {
"value": "#2D6238",
"type": "color"
},
"800": {
"value": "#214027",
"type": "color"
},
"900": {
"value": "#16281A",
"type": "color"
}
}
}
}