#145D47 is a mid-toned, cool teal. 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 #145D47 works with other colors. Named schemes with #145D47 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 #145D47 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 #145D47 at work across the surfaces designers actually ship.
:root {
--color-base: #145D47;
--color-base-rgb: 20 93 71;
--color-base-oklch: oklch(42.9% 0.079 168.0);
--color-50: #F2FDFA;
--color-100: #DDF9F0;
--color-200: #BCF1E1;
--color-300: #8EE2C8;
--color-400: #63CFAF;
--color-500: #41B491;
--color-600: #388971;
--color-700: #2D6252;
--color-800: #214037;
--color-900: #162722;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F2FDFA',
100: '#DDF9F0',
200: '#BCF1E1',
300: '#8EE2C8',
400: '#63CFAF',
500: '#41B491',
600: '#388971',
700: '#2D6252',
800: '#214037',
900: '#162722',
},
}
$base: #145D47; $base-ink: #FFFFFF; $base-50: #F2FDFA; $base-100: #DDF9F0; $base-200: #BCF1E1; $base-300: #8EE2C8; $base-400: #63CFAF; $base-500: #41B491; $base-600: #388971; $base-700: #2D6252; $base-800: #214037; $base-900: #162722; $base-hover: #104A39; $base-subtle: #A6E1CF;
{
"color": {
"base": {
"value": "#145D47",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F2FDFA",
"type": "color"
},
"100": {
"value": "#DDF9F0",
"type": "color"
},
"200": {
"value": "#BCF1E1",
"type": "color"
},
"300": {
"value": "#8EE2C8",
"type": "color"
},
"400": {
"value": "#63CFAF",
"type": "color"
},
"500": {
"value": "#41B491",
"type": "color"
},
"600": {
"value": "#388971",
"type": "color"
},
"700": {
"value": "#2D6252",
"type": "color"
},
"800": {
"value": "#214037",
"type": "color"
},
"900": {
"value": "#162722",
"type": "color"
}
}
}
}