#115D3F is a mid-toned, temperate teal-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 #115D3F works with other colors. Named schemes with #115D3F 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 keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal 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 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 #115D3F 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 #115D3F at work across the surfaces designers actually ship.
:root {
--color-base: #115D3F;
--color-base-rgb: 17 93 63;
--color-base-oklch: oklch(42.6% 0.087 161.3);
--color-50: #F2FDF9;
--color-100: #DCF9EE;
--color-200: #BAF2DC;
--color-300: #8BE4C1;
--color-400: #60D2A4;
--color-500: #3EB787;
--color-600: #368C69;
--color-700: #2C634D;
--color-800: #204134;
--color-900: #152820;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDF9',
100: '#DCF9EE',
200: '#BAF2DC',
300: '#8BE4C1',
400: '#60D2A4',
500: '#3EB787',
600: '#368C69',
700: '#2C634D',
800: '#204134',
900: '#152820',
},
}
$base: #115D3F; $base-ink: #FFFFFF; $base-50: #F2FDF9; $base-100: #DCF9EE; $base-200: #BAF2DC; $base-300: #8BE4C1; $base-400: #60D2A4; $base-500: #3EB787; $base-600: #368C69; $base-700: #2C634D; $base-800: #204134; $base-900: #152820; $base-hover: #0E4C33; $base-subtle: #A4E3CA;
{
"color": {
"base": {
"value": "#115D3F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDF9",
"type": "color"
},
"100": {
"value": "#DCF9EE",
"type": "color"
},
"200": {
"value": "#BAF2DC",
"type": "color"
},
"300": {
"value": "#8BE4C1",
"type": "color"
},
"400": {
"value": "#60D2A4",
"type": "color"
},
"500": {
"value": "#3EB787",
"type": "color"
},
"600": {
"value": "#368C69",
"type": "color"
},
"700": {
"value": "#2C634D",
"type": "color"
},
"800": {
"value": "#204134",
"type": "color"
},
"900": {
"value": "#152820",
"type": "color"
}
}
}
}