#11533F is a mid-toned, cool teal. On the Color Lab it reads quietly premium, restrained and easy to live with. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #11533F works with other colors. Named schemes with #11533F in its natural role, and a note on why the supporting colors balance it.
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 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 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 #11533F 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 #11533F at work across the surfaces designers actually ship.
:root {
--color-base: #11533F;
--color-base-rgb: 17 83 63;
--color-base-oklch: oklch(39.6% 0.073 167.9);
--color-50: #F2FDFA;
--color-100: #DCF9F0;
--color-200: #BBF1E1;
--color-300: #8DE2C9;
--color-400: #62D0AF;
--color-500: #40B592;
--color-600: #388A71;
--color-700: #2D6252;
--color-800: #214037;
--color-900: #162822;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDFA',
100: '#DCF9F0',
200: '#BBF1E1',
300: '#8DE2C9',
400: '#62D0AF',
500: '#40B592',
600: '#388A71',
700: '#2D6252',
800: '#214037',
900: '#162822',
},
}
$base: #11533F; $base-ink: #FFFFFF; $base-50: #F2FDFA; $base-100: #DCF9F0; $base-200: #BBF1E1; $base-300: #8DE2C9; $base-400: #62D0AF; $base-500: #40B592; $base-600: #388A71; $base-700: #2D6252; $base-800: #214037; $base-900: #162822; $base-hover: #0E4434; $base-subtle: #A3E0CE;
{
"color": {
"base": {
"value": "#11533F",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFA",
"type": "color"
},
"100": {
"value": "#DCF9F0",
"type": "color"
},
"200": {
"value": "#BBF1E1",
"type": "color"
},
"300": {
"value": "#8DE2C9",
"type": "color"
},
"400": {
"value": "#62D0AF",
"type": "color"
},
"500": {
"value": "#40B592",
"type": "color"
},
"600": {
"value": "#388A71",
"type": "color"
},
"700": {
"value": "#2D6252",
"type": "color"
},
"800": {
"value": "#214037",
"type": "color"
},
"900": {
"value": "#162822",
"type": "color"
}
}
}
}