#100F05 is a near-black neutral with only a whisper of temperate cast. On the Color Lab it reads quietly premium, restrained and easy to live with. It holds up as a large surface and is too dark to lead as a primary accent.
Not just a swatch — here's how #100F05 works with other colors. Named schemes with #100F05 in its natural role, and a note on why the supporting colors balance it.
Jet Black leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Jet Black is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Jet Black.
Jet Black plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.
Jet Black sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.
Jet Black 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 Jet Black carrying the quiet middle.
How #100F05 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 #100F05 at work across the surfaces designers actually ship.
:root {
--color-base: #100F05;
--color-base-rgb: 16 15 5;
--color-base-oklch: oklch(16.6% 0.021 103.9);
--color-50: #FCFBF3;
--color-100: #F6F4DF;
--color-200: #EBE8C1;
--color-300: #D9D496;
--color-400: #C4BD6E;
--color-500: #A8A14D;
--color-600: #817C41;
--color-700: #5C5932;
--color-800: #3D3B24;
--color-900: #262418;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
jet-black: {
50: '#FCFBF3',
100: '#F6F4DF',
200: '#EBE8C1',
300: '#D9D496',
400: '#C4BD6E',
500: '#A8A14D',
600: '#817C41',
700: '#5C5932',
800: '#3D3B24',
900: '#262418',
},
}
$base: #100F05; $base-ink: #FFFFFF; $base-50: #FCFBF3; $base-100: #F6F4DF; $base-200: #EBE8C1; $base-300: #D9D496; $base-400: #C4BD6E; $base-500: #A8A14D; $base-600: #817C41; $base-700: #5C5932; $base-800: #3D3B24; $base-900: #262418; $base-hover: #0C0C04; $base-subtle: #D3CE99;
{
"color": {
"base": {
"value": "#100F05",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#FCFBF3",
"type": "color"
},
"100": {
"value": "#F6F4DF",
"type": "color"
},
"200": {
"value": "#EBE8C1",
"type": "color"
},
"300": {
"value": "#D9D496",
"type": "color"
},
"400": {
"value": "#C4BD6E",
"type": "color"
},
"500": {
"value": "#A8A14D",
"type": "color"
},
"600": {
"value": "#817C41",
"type": "color"
},
"700": {
"value": "#5C5932",
"type": "color"
},
"800": {
"value": "#3D3B24",
"type": "color"
},
"900": {
"value": "#262418",
"type": "color"
}
}
}
}