#25561E 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 #25561E works with other colors. Named schemes with #25561E 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 #25561E 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 #25561E at work across the surfaces designers actually ship.
:root {
--color-base: #25561E;
--color-base-rgb: 37 86 30;
--color-base-oklch: oklch(40.5% 0.101 141.2);
--color-50: #F4FBF3;
--color-100: #E3F5E0;
--color-200: #C7EAC3;
--color-300: #A0D799;
--color-400: #7BC171;
--color-500: #5AA550;
--color-600: #4A7F43;
--color-700: #395B34;
--color-800: #283C25;
--color-900: #1A2518;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F4FBF3',
100: '#E3F5E0',
200: '#C7EAC3',
300: '#A0D799',
400: '#7BC171',
500: '#5AA550',
600: '#4A7F43',
700: '#395B34',
800: '#283C25',
900: '#1A2518',
},
}
$base: #25561E; $base-ink: #FFFFFF; $base-50: #F4FBF3; $base-100: #E3F5E0; $base-200: #C7EAC3; $base-300: #A0D799; $base-400: #7BC171; $base-500: #5AA550; $base-600: #4A7F43; $base-700: #395B34; $base-800: #283C25; $base-900: #1A2518; $base-hover: #1E4518; $base-subtle: #B4DAAF;
{
"color": {
"base": {
"value": "#25561E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF3",
"type": "color"
},
"100": {
"value": "#E3F5E0",
"type": "color"
},
"200": {
"value": "#C7EAC3",
"type": "color"
},
"300": {
"value": "#A0D799",
"type": "color"
},
"400": {
"value": "#7BC171",
"type": "color"
},
"500": {
"value": "#5AA550",
"type": "color"
},
"600": {
"value": "#4A7F43",
"type": "color"
},
"700": {
"value": "#395B34",
"type": "color"
},
"800": {
"value": "#283C25",
"type": "color"
},
"900": {
"value": "#1A2518",
"type": "color"
}
}
}
}