#1F4D15 is a deep, temperate green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.
Not just a swatch — here's how #1F4D15 works with other colors. Named schemes with #1F4D15 in its natural role, and a note on why the supporting colors balance it.
Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Castleton Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.
Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.
Castleton 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.
Castleton 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 Castleton Green carrying the quiet middle.
How #1F4D15 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 #1F4D15 at work across the surfaces designers actually ship.
:root {
--color-base: #1F4D15;
--color-base-rgb: 31 77 21;
--color-base-oklch: oklch(37.4% 0.099 140.3);
--color-50: #F4FCF3;
--color-100: #E3F7DE;
--color-200: #C8EDBF;
--color-300: #A0DC93;
--color-400: #7BC86A;
--color-500: #5BAD48;
--color-600: #4A843D;
--color-700: #395E30;
--color-800: #283E23;
--color-900: #1A2617;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F4FCF3',
100: '#E3F7DE',
200: '#C8EDBF',
300: '#A0DC93',
400: '#7BC86A',
500: '#5BAD48',
600: '#4A843D',
700: '#395E30',
800: '#283E23',
900: '#1A2617',
},
}
$base: #1F4D15; $base-ink: #FFFFFF; $base-50: #F4FCF3; $base-100: #E3F7DE; $base-200: #C8EDBF; $base-300: #A0DC93; $base-400: #7BC86A; $base-500: #5BAD48; $base-600: #4A843D; $base-700: #395E30; $base-800: #283E23; $base-900: #1A2617; $base-hover: #193D11; $base-subtle: #B0DCA6;
{
"color": {
"base": {
"value": "#1F4D15",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FCF3",
"type": "color"
},
"100": {
"value": "#E3F7DE",
"type": "color"
},
"200": {
"value": "#C8EDBF",
"type": "color"
},
"300": {
"value": "#A0DC93",
"type": "color"
},
"400": {
"value": "#7BC86A",
"type": "color"
},
"500": {
"value": "#5BAD48",
"type": "color"
},
"600": {
"value": "#4A843D",
"type": "color"
},
"700": {
"value": "#395E30",
"type": "color"
},
"800": {
"value": "#283E23",
"type": "color"
},
"900": {
"value": "#1A2617",
"type": "color"
}
}
}
}