#643F0E is a mid-toned, warm lime 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 #643F0E works with other colors. Named schemes with #643F0E in its natural role, and a note on why the supporting colors balance it.
This palette keeps Sepia as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Sepia 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.
Sepia plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Sepia holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.
Sepia 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 Sepia carrying the quiet middle.
How #643F0E 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 #643F0E at work across the surfaces designers actually ship.
:root {
--color-base: #643F0E;
--color-base-rgb: 100 63 14;
--color-base-oklch: oklch(40.2% 0.080 68.3);
--color-50: #FEF8F1;
--color-100: #FBEDDA;
--color-200: #F5DAB8;
--color-300: #E8BE87;
--color-400: #D7A15B;
--color-500: #BC8338;
--color-600: #906732;
--color-700: #664B29;
--color-800: #42331E;
--color-900: #292014;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
sepia: {
50: '#FEF8F1',
100: '#FBEDDA',
200: '#F5DAB8',
300: '#E8BE87',
400: '#D7A15B',
500: '#BC8338',
600: '#906732',
700: '#664B29',
800: '#42331E',
900: '#292014',
},
}
$base: #643F0E; $base-ink: #FFFFFF; $base-50: #FEF8F1; $base-100: #FBEDDA; $base-200: #F5DAB8; $base-300: #E8BE87; $base-400: #D7A15B; $base-500: #BC8338; $base-600: #906732; $base-700: #664B29; $base-800: #42331E; $base-900: #292014; $base-hover: #4F310B; $base-subtle: #E5C8A1;
{
"color": {
"base": {
"value": "#643F0E",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FEF8F1",
"type": "color"
},
"100": {
"value": "#FBEDDA",
"type": "color"
},
"200": {
"value": "#F5DAB8",
"type": "color"
},
"300": {
"value": "#E8BE87",
"type": "color"
},
"400": {
"value": "#D7A15B",
"type": "color"
},
"500": {
"value": "#BC8338",
"type": "color"
},
"600": {
"value": "#906732",
"type": "color"
},
"700": {
"value": "#664B29",
"type": "color"
},
"800": {
"value": "#42331E",
"type": "color"
},
"900": {
"value": "#292014",
"type": "color"
}
}
}
}