#03592E 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 #03592E works with other colors. Named schemes with #03592E 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 #03592E 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 #03592E at work across the surfaces designers actually ship.
:root {
--color-base: #03592E;
--color-base-rgb: 3 89 46;
--color-base-oklch: oklch(40.8% 0.102 153.5);
--color-50: #F0FEF7;
--color-100: #D8FDEB;
--color-200: #B1FCD6;
--color-300: #7CF4B8;
--color-400: #4CE699;
--color-500: #29CC7A;
--color-600: #279B61;
--color-700: #226D47;
--color-800: #1A4730;
--color-900: #122B1F;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F0FEF7',
100: '#D8FDEB',
200: '#B1FCD6',
300: '#7CF4B8',
400: '#4CE699',
500: '#29CC7A',
600: '#279B61',
700: '#226D47',
800: '#1A4730',
900: '#122B1F',
},
}
$base: #03592E; $base-ink: #FFFFFF; $base-50: #F0FEF7; $base-100: #D8FDEB; $base-200: #B1FCD6; $base-300: #7CF4B8; $base-400: #4CE699; $base-500: #29CC7A; $base-600: #279B61; $base-700: #226D47; $base-800: #1A4730; $base-900: #122B1F; $base-hover: #034725; $base-subtle: #94EDC0;
{
"color": {
"base": {
"value": "#03592E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF7",
"type": "color"
},
"100": {
"value": "#D8FDEB",
"type": "color"
},
"200": {
"value": "#B1FCD6",
"type": "color"
},
"300": {
"value": "#7CF4B8",
"type": "color"
},
"400": {
"value": "#4CE699",
"type": "color"
},
"500": {
"value": "#29CC7A",
"type": "color"
},
"600": {
"value": "#279B61",
"type": "color"
},
"700": {
"value": "#226D47",
"type": "color"
},
"800": {
"value": "#1A4730",
"type": "color"
},
"900": {
"value": "#122B1F",
"type": "color"
}
}
}
}