#256503 is a mid-toned, temperate 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 #256503 works with other colors. Named schemes with #256503 in its natural role, and a note on why the supporting colors balance it.
Dark Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Dark 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.
Dark 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.
Dark Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Dark 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 Dark Green carrying the quiet middle.
How #256503 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 #256503 at work across the surfaces designers actually ship.
:root {
--color-base: #256503;
--color-base-rgb: 37 101 3;
--color-base-oklch: oklch(44.7% 0.138 138.4);
--color-50: #F5FEF0;
--color-100: #E5FDD8;
--color-200: #CBFCB1;
--color-300: #A5F47B;
--color-400: #82E74B;
--color-500: #62CD28;
--color-600: #4F9B26;
--color-700: #3C6D21;
--color-800: #2A471A;
--color-900: #1B2B12;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
dark-green: {
50: '#F5FEF0',
100: '#E5FDD8',
200: '#CBFCB1',
300: '#A5F47B',
400: '#82E74B',
500: '#62CD28',
600: '#4F9B26',
700: '#3C6D21',
800: '#2A471A',
900: '#1B2B12',
},
}
$base: #256503; $base-ink: #FFFFFF; $base-50: #F5FEF0; $base-100: #E5FDD8; $base-200: #CBFCB1; $base-300: #A5F47B; $base-400: #82E74B; $base-500: #62CD28; $base-600: #4F9B26; $base-700: #3C6D21; $base-800: #2A471A; $base-900: #1B2B12; $base-hover: #1D4F02; $base-subtle: #B5EE96;
{
"color": {
"base": {
"value": "#256503",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FEF0",
"type": "color"
},
"100": {
"value": "#E5FDD8",
"type": "color"
},
"200": {
"value": "#CBFCB1",
"type": "color"
},
"300": {
"value": "#A5F47B",
"type": "color"
},
"400": {
"value": "#82E74B",
"type": "color"
},
"500": {
"value": "#62CD28",
"type": "color"
},
"600": {
"value": "#4F9B26",
"type": "color"
},
"700": {
"value": "#3C6D21",
"type": "color"
},
"800": {
"value": "#2A471A",
"type": "color"
},
"900": {
"value": "#1B2B12",
"type": "color"
}
}
}
}