#09552C is a mid-toned, temperate teal-green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #09552C works with other colors. Named schemes with #09552C 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 opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.
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 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 #09552C 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 #09552C at work across the surfaces designers actually ship.
:root {
--color-base: #09552C;
--color-base-rgb: 9 85 44;
--color-base-oklch: oklch(39.6% 0.097 153.0);
--color-50: #F1FEF7;
--color-100: #D9FCE9;
--color-200: #B5F7D4;
--color-300: #83ECB4;
--color-400: #56DC95;
--color-500: #33C276;
--color-600: #2E935E;
--color-700: #276845;
--color-800: #1D442F;
--color-900: #142A1E;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F1FEF7',
100: '#D9FCE9',
200: '#B5F7D4',
300: '#83ECB4',
400: '#56DC95',
500: '#33C276',
600: '#2E935E',
700: '#276845',
800: '#1D442F',
900: '#142A1E',
},
}
$base: #09552C; $base-ink: #FFFFFF; $base-50: #F1FEF7; $base-100: #D9FCE9; $base-200: #B5F7D4; $base-300: #83ECB4; $base-400: #56DC95; $base-500: #33C276; $base-600: #2E935E; $base-700: #276845; $base-800: #1D442F; $base-900: #142A1E; $base-hover: #074223; $base-subtle: #9AE7BE;
{
"color": {
"base": {
"value": "#09552C",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F1FEF7",
"type": "color"
},
"100": {
"value": "#D9FCE9",
"type": "color"
},
"200": {
"value": "#B5F7D4",
"type": "color"
},
"300": {
"value": "#83ECB4",
"type": "color"
},
"400": {
"value": "#56DC95",
"type": "color"
},
"500": {
"value": "#33C276",
"type": "color"
},
"600": {
"value": "#2E935E",
"type": "color"
},
"700": {
"value": "#276845",
"type": "color"
},
"800": {
"value": "#1D442F",
"type": "color"
},
"900": {
"value": "#142A1E",
"type": "color"
}
}
}
}