#274D16 is a deep, temperate 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 reproduces cleanly in print.
Not just a swatch — here's how #274D16 works with other colors. Named schemes with #274D16 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 #274D16 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 #274D16 at work across the surfaces designers actually ship.
:root {
--color-base: #274D16;
--color-base-rgb: 39 77 22;
--color-base-oklch: oklch(37.9% 0.094 137.5);
--color-50: #F6FCF3;
--color-100: #E6F7DF;
--color-200: #CEEDBF;
--color-300: #AADC93;
--color-400: #88C76B;
--color-500: #68AC49;
--color-600: #54843E;
--color-700: #3F5E31;
--color-800: #2C3E23;
--color-900: #1C2617;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F6FCF3',
100: '#E6F7DF',
200: '#CEEDBF',
300: '#AADC93',
400: '#88C76B',
500: '#68AC49',
600: '#54843E',
700: '#3F5E31',
800: '#2C3E23',
900: '#1C2617',
},
}
$base: #274D16; $base-ink: #FFFFFF; $base-50: #F6FCF3; $base-100: #E6F7DF; $base-200: #CEEDBF; $base-300: #AADC93; $base-400: #88C76B; $base-500: #68AC49; $base-600: #54843E; $base-700: #3F5E31; $base-800: #2C3E23; $base-900: #1C2617; $base-hover: #1F3C11; $base-subtle: #B7DBA7;
{
"color": {
"base": {
"value": "#274D16",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FCF3",
"type": "color"
},
"100": {
"value": "#E6F7DF",
"type": "color"
},
"200": {
"value": "#CEEDBF",
"type": "color"
},
"300": {
"value": "#AADC93",
"type": "color"
},
"400": {
"value": "#88C76B",
"type": "color"
},
"500": {
"value": "#68AC49",
"type": "color"
},
"600": {
"value": "#54843E",
"type": "color"
},
"700": {
"value": "#3F5E31",
"type": "color"
},
"800": {
"value": "#2C3E23",
"type": "color"
},
"900": {
"value": "#1C2617",
"type": "color"
}
}
}
}