#B0731F 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 #B0731F works with other colors. Named schemes with #B0731F in its natural role, and a note on why the supporting colors balance it.
This palette keeps Copper as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Copper 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.
Copper plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Copper sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Copper 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 Copper carrying the quiet middle.
How #B0731F 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 #B0731F at work across the surfaces designers actually ship.
:root {
--color-base: #B0731F;
--color-base-rgb: 176 115 31;
--color-base-oklch: oklch(60.6% 0.121 69.2);
--color-50: #FDF8F1;
--color-100: #FAEDDB;
--color-200: #F3DBBA;
--color-300: #E5BF8A;
--color-400: #D3A35F;
--color-500: #B8853D;
--color-600: #8C6835;
--color-700: #644C2B;
--color-800: #413320;
--color-900: #282015;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
copper: {
50: '#FDF8F1',
100: '#FAEDDB',
200: '#F3DBBA',
300: '#E5BF8A',
400: '#D3A35F',
500: '#B8853D',
600: '#8C6835',
700: '#644C2B',
800: '#413320',
900: '#282015',
},
}
$base: #B0731F; $base-ink: #141310; $base-50: #FDF8F1; $base-100: #FAEDDB; $base-200: #F3DBBA; $base-300: #E5BF8A; $base-400: #D3A35F; $base-500: #B8853D; $base-600: #8C6835; $base-700: #644C2B; $base-800: #413320; $base-900: #282015; $base-hover: #8E5D19; $base-subtle: #EAD6BA;
{
"color": {
"base": {
"value": "#B0731F",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#FDF8F1",
"type": "color"
},
"100": {
"value": "#FAEDDB",
"type": "color"
},
"200": {
"value": "#F3DBBA",
"type": "color"
},
"300": {
"value": "#E5BF8A",
"type": "color"
},
"400": {
"value": "#D3A35F",
"type": "color"
},
"500": {
"value": "#B8853D",
"type": "color"
},
"600": {
"value": "#8C6835",
"type": "color"
},
"700": {
"value": "#644C2B",
"type": "color"
},
"800": {
"value": "#413320",
"type": "color"
},
"900": {
"value": "#282015",
"type": "color"
}
}
}
}