#104F1A 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 sits well as a supporting tone.
Not just a swatch — here's how #104F1A works with other colors. Named schemes with #104F1A in its natural role, and a note on why the supporting colors balance it.
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 leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
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 #104F1A 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 #104F1A at work across the surfaces designers actually ship.
:root {
--color-base: #104F1A;
--color-base-rgb: 16 79 26;
--color-base-oklch: oklch(37.6% 0.104 145.5);
--color-50: #F2FDF4;
--color-100: #DCF9E1;
--color-200: #BBF1C4;
--color-300: #8DE29B;
--color-400: #62D075;
--color-500: #40B554;
--color-600: #388A46;
--color-700: #2D6236;
--color-800: #214026;
--color-900: #162819;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDF4',
100: '#DCF9E1',
200: '#BBF1C4',
300: '#8DE29B',
400: '#62D075',
500: '#40B554',
600: '#388A46',
700: '#2D6236',
800: '#214026',
900: '#162819',
},
}
$base: #104F1A; $base-ink: #FFFFFF; $base-50: #F2FDF4; $base-100: #DCF9E1; $base-200: #BBF1C4; $base-300: #8DE29B; $base-400: #62D075; $base-500: #40B554; $base-600: #388A46; $base-700: #2D6236; $base-800: #214026; $base-900: #162819; $base-hover: #0D4016; $base-subtle: #A2E0AC;
{
"color": {
"base": {
"value": "#104F1A",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF4",
"type": "color"
},
"100": {
"value": "#DCF9E1",
"type": "color"
},
"200": {
"value": "#BBF1C4",
"type": "color"
},
"300": {
"value": "#8DE29B",
"type": "color"
},
"400": {
"value": "#62D075",
"type": "color"
},
"500": {
"value": "#40B554",
"type": "color"
},
"600": {
"value": "#388A46",
"type": "color"
},
"700": {
"value": "#2D6236",
"type": "color"
},
"800": {
"value": "#214026",
"type": "color"
},
"900": {
"value": "#162819",
"type": "color"
}
}
}
}