#264E18 is a mid-toned, 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 #264E18 works with other colors. Named schemes with #264E18 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 #264E18 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 #264E18 at work across the surfaces designers actually ship.
:root {
--color-base: #264E18;
--color-base-rgb: 38 78 24;
--color-base-oklch: oklch(38.1% 0.094 138.5);
--color-50: #F5FCF3;
--color-100: #E5F6DF;
--color-200: #CCECC1;
--color-300: #A8DA95;
--color-400: #85C56D;
--color-500: #65A94C;
--color-600: #528240;
--color-700: #3D5D32;
--color-800: #2B3D24;
--color-900: #1B2617;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F5FCF3',
100: '#E5F6DF',
200: '#CCECC1',
300: '#A8DA95',
400: '#85C56D',
500: '#65A94C',
600: '#528240',
700: '#3D5D32',
800: '#2B3D24',
900: '#1B2617',
},
}
$base: #264E18; $base-ink: #FFFFFF; $base-50: #F5FCF3; $base-100: #E5F6DF; $base-200: #CCECC1; $base-300: #A8DA95; $base-400: #85C56D; $base-500: #65A94C; $base-600: #528240; $base-700: #3D5D32; $base-800: #2B3D24; $base-900: #1B2617; $base-hover: #1F3E13; $base-subtle: #B6DAA9;
{
"color": {
"base": {
"value": "#264E18",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FCF3",
"type": "color"
},
"100": {
"value": "#E5F6DF",
"type": "color"
},
"200": {
"value": "#CCECC1",
"type": "color"
},
"300": {
"value": "#A8DA95",
"type": "color"
},
"400": {
"value": "#85C56D",
"type": "color"
},
"500": {
"value": "#65A94C",
"type": "color"
},
"600": {
"value": "#528240",
"type": "color"
},
"700": {
"value": "#3D5D32",
"type": "color"
},
"800": {
"value": "#2B3D24",
"type": "color"
},
"900": {
"value": "#1B2617",
"type": "color"
}
}
}
}