#045106 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 sits well as a supporting tone.
Not just a swatch — here's how #045106 works with other colors. Named schemes with #045106 in its natural role, and a note on why the supporting colors balance it.
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 leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
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 #045106 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 #045106 at work across the surfaces designers actually ship.
:root {
--color-base: #045106;
--color-base-rgb: 4 81 6;
--color-base-oklch: oklch(37.8% 0.124 142.9);
--color-50: #F0FEF1;
--color-100: #D8FDD9;
--color-200: #B1FBB4;
--color-300: #7DF281;
--color-400: #4EE453;
--color-500: #2ACB30;
--color-600: #289A2C;
--color-700: #236C25;
--color-800: #1B461C;
--color-900: #122B13;
--color-on-base: #FFFFFF;
}
// tailwind.config.js
colors: {
castleton-green: {
50: '#F0FEF1',
100: '#D8FDD9',
200: '#B1FBB4',
300: '#7DF281',
400: '#4EE453',
500: '#2ACB30',
600: '#289A2C',
700: '#236C25',
800: '#1B461C',
900: '#122B13',
},
}
$base: #045106; $base-ink: #FFFFFF; $base-50: #F0FEF1; $base-100: #D8FDD9; $base-200: #B1FBB4; $base-300: #7DF281; $base-400: #4EE453; $base-500: #2ACB30; $base-600: #289A2C; $base-700: #236C25; $base-800: #1B461C; $base-900: #122B13; $base-hover: #034205; $base-subtle: #94EB97;
{
"color": {
"base": {
"value": "#045106",
"type": "color"
},
"onBase": {
"value": "#FFFFFF",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF1",
"type": "color"
},
"100": {
"value": "#D8FDD9",
"type": "color"
},
"200": {
"value": "#B1FBB4",
"type": "color"
},
"300": {
"value": "#7DF281",
"type": "color"
},
"400": {
"value": "#4EE453",
"type": "color"
},
"500": {
"value": "#2ACB30",
"type": "color"
},
"600": {
"value": "#289A2C",
"type": "color"
},
"700": {
"value": "#236C25",
"type": "color"
},
"800": {
"value": "#1B461C",
"type": "color"
},
"900": {
"value": "#122B13",
"type": "color"
}
}
}
}