#28571E 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 #28571E works with other colors. Named schemes with #28571E 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 #28571E 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 #28571E at work across the surfaces designers actually ship.
:root {
--color-base: #28571E;
--color-base-rgb: 40 87 30;
--color-base-oklch: oklch(41.0% 0.101 140.3);
--color-50: #F5FBF3;
--color-100: #E4F5E0;
--color-200: #CAEAC2;
--color-300: #A4D798;
--color-400: #7FC270;
--color-500: #5FA64F;
--color-600: #4E7F42;
--color-700: #3B5B34;
--color-800: #293C25;
--color-900: #1A2518;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F5FBF3',
100: '#E4F5E0',
200: '#CAEAC2',
300: '#A4D798',
400: '#7FC270',
500: '#5FA64F',
600: '#4E7F42',
700: '#3B5B34',
800: '#293C25',
900: '#1A2518',
},
}
$base: #28571E; $base-ink: #FFFFFF; $base-50: #F5FBF3; $base-100: #E4F5E0; $base-200: #CAEAC2; $base-300: #A4D798; $base-400: #7FC270; $base-500: #5FA64F; $base-600: #4E7F42; $base-700: #3B5B34; $base-800: #293C25; $base-900: #1A2518; $base-hover: #204618; $base-subtle: #B6DAAE;
{
"color": {
"base": {
"value": "#28571E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F5FBF3",
"type": "color"
},
"100": {
"value": "#E4F5E0",
"type": "color"
},
"200": {
"value": "#CAEAC2",
"type": "color"
},
"300": {
"value": "#A4D798",
"type": "color"
},
"400": {
"value": "#7FC270",
"type": "color"
},
"500": {
"value": "#5FA64F",
"type": "color"
},
"600": {
"value": "#4E7F42",
"type": "color"
},
"700": {
"value": "#3B5B34",
"type": "color"
},
"800": {
"value": "#293C25",
"type": "color"
},
"900": {
"value": "#1A2518",
"type": "color"
}
}
}
}