#428E15 is a mid-toned, temperate green. On the Color Lab it reads organic and grounded. It carries a legible label as a UI accent and sits well as a supporting tone.
Not just a swatch — here's how #428E15 works with other colors. Named schemes with #428E15 in its natural role, and a note on why the supporting colors balance it.
Forest Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Forest 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.
Forest Green 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.
Forest Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Forest 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 Forest Green carrying the quiet middle.
How #428E15 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 #428E15 at work across the surfaces designers actually ship.
:root {
--color-base: #428E15;
--color-base-rgb: 66 142 21;
--color-base-oklch: oklch(57.6% 0.166 137.2);
--color-50: #F6FEF1;
--color-100: #E6FBDB;
--color-200: #CEF4B8;
--color-300: #ABE788;
--color-400: #89D65C;
--color-500: #69BC39;
--color-600: #558F33;
--color-700: #3F652A;
--color-800: #2C421F;
--color-900: #1C2915;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
forest-green: {
50: '#F6FEF1',
100: '#E6FBDB',
200: '#CEF4B8',
300: '#ABE788',
400: '#89D65C',
500: '#69BC39',
600: '#558F33',
700: '#3F652A',
800: '#2C421F',
900: '#1C2915',
},
}
$base: #428E15; $base-ink: #141310; $base-50: #F6FEF1; $base-100: #E6FBDB; $base-200: #CEF4B8; $base-300: #ABE788; $base-400: #89D65C; $base-500: #69BC39; $base-600: #558F33; $base-700: #3F652A; $base-800: #2C421F; $base-900: #1C2915; $base-hover: #347211; $base-subtle: #C3E8AE;
{
"color": {
"base": {
"value": "#428E15",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F6FEF1",
"type": "color"
},
"100": {
"value": "#E6FBDB",
"type": "color"
},
"200": {
"value": "#CEF4B8",
"type": "color"
},
"300": {
"value": "#ABE788",
"type": "color"
},
"400": {
"value": "#89D65C",
"type": "color"
},
"500": {
"value": "#69BC39",
"type": "color"
},
"600": {
"value": "#558F33",
"type": "color"
},
"700": {
"value": "#3F652A",
"type": "color"
},
"800": {
"value": "#2C421F",
"type": "color"
},
"900": {
"value": "#1C2915",
"type": "color"
}
}
}
}