#307B35 is a mid-toned, temperate 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 #307B35 works with other colors. Named schemes with #307B35 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 #307B35 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 #307B35 at work across the surfaces designers actually ship.
:root {
--color-base: #307B35;
--color-base-rgb: 48 123 53;
--color-base-oklch: oklch(51.9% 0.128 144.6);
--color-50: #F4FBF4;
--color-100: #E1F4E2;
--color-200: #C4E8C7;
--color-300: #9BD49F;
--color-400: #75BD79;
--color-500: #54A159;
--color-600: #467C49;
--color-700: #365938;
--color-800: #263B27;
--color-900: #192519;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
fern-green: {
50: '#F4FBF4',
100: '#E1F4E2',
200: '#C4E8C7',
300: '#9BD49F',
400: '#75BD79',
500: '#54A159',
600: '#467C49',
700: '#365938',
800: '#263B27',
900: '#192519',
},
}
$base: #307B35; $base-ink: #FFFFFF; $base-50: #F4FBF4; $base-100: #E1F4E2; $base-200: #C4E8C7; $base-300: #9BD49F; $base-400: #75BD79; $base-500: #54A159; $base-600: #467C49; $base-700: #365938; $base-800: #263B27; $base-900: #192519; $base-hover: #27642B; $base-subtle: #BCDDBE;
{
"color": {
"base": {
"value": "#307B35",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF4",
"type": "color"
},
"100": {
"value": "#E1F4E2",
"type": "color"
},
"200": {
"value": "#C4E8C7",
"type": "color"
},
"300": {
"value": "#9BD49F",
"type": "color"
},
"400": {
"value": "#75BD79",
"type": "color"
},
"500": {
"value": "#54A159",
"type": "color"
},
"600": {
"value": "#467C49",
"type": "color"
},
"700": {
"value": "#365938",
"type": "color"
},
"800": {
"value": "#263B27",
"type": "color"
},
"900": {
"value": "#192519",
"type": "color"
}
}
}
}