#337F45 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 sits well as a supporting tone.
Not just a swatch — here's how #337F45 works with other colors. Named schemes with #337F45 in its natural role, and a note on why the supporting colors balance it.
Fern Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Fern 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.
Fern 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.
Fern Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Fern 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 Fern Green carrying the quiet middle.
How #337F45 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 #337F45 at work across the surfaces designers actually ship.
:root {
--color-base: #337F45;
--color-base-rgb: 51 127 69;
--color-base-oklch: oklch(53.4% 0.117 148.8);
--color-50: #F4FBF5;
--color-100: #E1F4E6;
--color-200: #C5E8CD;
--color-300: #9CD3A9;
--color-400: #75BD86;
--color-500: #55A066;
--color-600: #467C53;
--color-700: #36593E;
--color-800: #263B2B;
--color-900: #19241B;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
fern-green: {
50: '#F4FBF5',
100: '#E1F4E6',
200: '#C5E8CD',
300: '#9CD3A9',
400: '#75BD86',
500: '#55A066',
600: '#467C53',
700: '#36593E',
800: '#263B2B',
900: '#19241B',
},
}
$base: #337F45; $base-ink: #FFFFFF; $base-50: #F4FBF5; $base-100: #E1F4E6; $base-200: #C5E8CD; $base-300: #9CD3A9; $base-400: #75BD86; $base-500: #55A066; $base-600: #467C53; $base-700: #36593E; $base-800: #263B2B; $base-900: #19241B; $base-hover: #296637; $base-subtle: #BDDEC5;
{
"color": {
"base": {
"value": "#337F45",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF5",
"type": "color"
},
"100": {
"value": "#E1F4E6",
"type": "color"
},
"200": {
"value": "#C5E8CD",
"type": "color"
},
"300": {
"value": "#9CD3A9",
"type": "color"
},
"400": {
"value": "#75BD86",
"type": "color"
},
"500": {
"value": "#55A066",
"type": "color"
},
"600": {
"value": "#467C53",
"type": "color"
},
"700": {
"value": "#36593E",
"type": "color"
},
"800": {
"value": "#263B2B",
"type": "color"
},
"900": {
"value": "#19241B",
"type": "color"
}
}
}
}