#17530C is a deep, 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 #17530C works with other colors. Named schemes with #17530C 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 #17530C 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 #17530C at work across the surfaces designers actually ship.
:root {
--color-base: #17530C;
--color-base-rgb: 23 83 12;
--color-base-oklch: oklch(38.9% 0.117 141.0);
--color-50: #F3FEF1;
--color-100: #DFFBDA;
--color-200: #C1F5B8;
--color-300: #96E887;
--color-400: #6ED75B;
--color-500: #4CBC38;
--color-600: #409032;
--color-700: #326629;
--color-800: #24421E;
--color-900: #172914;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F3FEF1',
100: '#DFFBDA',
200: '#C1F5B8',
300: '#96E887',
400: '#6ED75B',
500: '#4CBC38',
600: '#409032',
700: '#326629',
800: '#24421E',
900: '#172914',
},
}
$base: #17530C; $base-ink: #FFFFFF; $base-50: #F3FEF1; $base-100: #DFFBDA; $base-200: #C1F5B8; $base-300: #96E887; $base-400: #6ED75B; $base-500: #4CBC38; $base-600: #409032; $base-700: #326629; $base-800: #24421E; $base-900: #172914; $base-hover: #12440A; $base-subtle: #A8E49E;
{
"color": {
"base": {
"value": "#17530C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F3FEF1",
"type": "color"
},
"100": {
"value": "#DFFBDA",
"type": "color"
},
"200": {
"value": "#C1F5B8",
"type": "color"
},
"300": {
"value": "#96E887",
"type": "color"
},
"400": {
"value": "#6ED75B",
"type": "color"
},
"500": {
"value": "#4CBC38",
"type": "color"
},
"600": {
"value": "#409032",
"type": "color"
},
"700": {
"value": "#326629",
"type": "color"
},
"800": {
"value": "#24421E",
"type": "color"
},
"900": {
"value": "#172914",
"type": "color"
}
}
}
}