#2E4E18 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 #2E4E18 works with other colors. Named schemes with #2E4E18 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 sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
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 #2E4E18 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 #2E4E18 at work across the surfaces designers actually ship.
:root {
--color-base: #2E4E18;
--color-base-rgb: 46 78 24;
--color-base-oklch: oklch(38.6% 0.089 134.7);
--color-50: #F6FCF3;
--color-100: #E8F6DF;
--color-200: #D2ECC1;
--color-300: #B1DA95;
--color-400: #90C56D;
--color-500: #71A94C;
--color-600: #5A8240;
--color-700: #435D32;
--color-800: #2E3D24;
--color-900: #1D2617;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F6FCF3',
100: '#E8F6DF',
200: '#D2ECC1',
300: '#B1DA95',
400: '#90C56D',
500: '#71A94C',
600: '#5A8240',
700: '#435D32',
800: '#2E3D24',
900: '#1D2617',
},
}
$base: #2E4E18; $base-ink: #FFFFFF; $base-50: #F6FCF3; $base-100: #E8F6DF; $base-200: #D2ECC1; $base-300: #B1DA95; $base-400: #90C56D; $base-500: #71A94C; $base-600: #5A8240; $base-700: #435D32; $base-800: #2E3D24; $base-900: #1D2617; $base-hover: #243E13; $base-subtle: #BDDAA9;
{
"color": {
"base": {
"value": "#2E4E18",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FCF3",
"type": "color"
},
"100": {
"value": "#E8F6DF",
"type": "color"
},
"200": {
"value": "#D2ECC1",
"type": "color"
},
"300": {
"value": "#B1DA95",
"type": "color"
},
"400": {
"value": "#90C56D",
"type": "color"
},
"500": {
"value": "#71A94C",
"type": "color"
},
"600": {
"value": "#5A8240",
"type": "color"
},
"700": {
"value": "#435D32",
"type": "color"
},
"800": {
"value": "#2E3D24",
"type": "color"
},
"900": {
"value": "#1D2617",
"type": "color"
}
}
}
}