#10501C 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 #10501C works with other colors. Named schemes with #10501C 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 #10501C 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 #10501C at work across the surfaces designers actually ship.
:root {
--color-base: #10501C;
--color-base-rgb: 16 80 28;
--color-base-oklch: oklch(37.9% 0.104 146.0);
--color-50: #F2FDF4;
--color-100: #DCF9E1;
--color-200: #BBF1C5;
--color-300: #8CE39C;
--color-400: #62D076;
--color-500: #3FB555;
--color-600: #378B46;
--color-700: #2C6236;
--color-800: #204126;
--color-900: #162819;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDF4',
100: '#DCF9E1',
200: '#BBF1C5',
300: '#8CE39C',
400: '#62D076',
500: '#3FB555',
600: '#378B46',
700: '#2C6236',
800: '#204126',
900: '#162819',
},
}
$base: #10501C; $base-ink: #FFFFFF; $base-50: #F2FDF4; $base-100: #DCF9E1; $base-200: #BBF1C5; $base-300: #8CE39C; $base-400: #62D076; $base-500: #3FB555; $base-600: #378B46; $base-700: #2C6236; $base-800: #204126; $base-900: #162819; $base-hover: #0D4116; $base-subtle: #A1E1AD;
{
"color": {
"base": {
"value": "#10501C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF4",
"type": "color"
},
"100": {
"value": "#DCF9E1",
"type": "color"
},
"200": {
"value": "#BBF1C5",
"type": "color"
},
"300": {
"value": "#8CE39C",
"type": "color"
},
"400": {
"value": "#62D076",
"type": "color"
},
"500": {
"value": "#3FB555",
"type": "color"
},
"600": {
"value": "#378B46",
"type": "color"
},
"700": {
"value": "#2C6236",
"type": "color"
},
"800": {
"value": "#204126",
"type": "color"
},
"900": {
"value": "#162819",
"type": "color"
}
}
}
}