#409140 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 #409140 works with other colors. Named schemes with #409140 in its natural role, and a note on why the supporting colors balance it.
Sea Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Sea 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.
Sea 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.
Sea Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.
Sea 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 Sea Green carrying the quiet middle.
How #409140 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 #409140 at work across the surfaces designers actually ship.
:root {
--color-base: #409140;
--color-base-rgb: 64 145 64;
--color-base-oklch: oklch(58.7% 0.141 143.5);
--color-50: #F4FBF4;
--color-100: #E2F3E2;
--color-200: #C6E6C6;
--color-300: #9ED19E;
--color-400: #79B979;
--color-500: #589D58;
--color-600: #497949;
--color-700: #385738;
--color-800: #273A27;
--color-900: #192419;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
sea-green: {
50: '#F4FBF4',
100: '#E2F3E2',
200: '#C6E6C6',
300: '#9ED19E',
400: '#79B979',
500: '#589D58',
600: '#497949',
700: '#385738',
800: '#273A27',
900: '#192419',
},
}
$base: #409140; $base-ink: #141310; $base-50: #F4FBF4; $base-100: #E2F3E2; $base-200: #C6E6C6; $base-300: #9ED19E; $base-400: #79B979; $base-500: #589D58; $base-600: #497949; $base-700: #385738; $base-800: #273A27; $base-900: #192419; $base-hover: #337433; $base-subtle: #C4DFC4;
{
"color": {
"base": {
"value": "#409140",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F4FBF4",
"type": "color"
},
"100": {
"value": "#E2F3E2",
"type": "color"
},
"200": {
"value": "#C6E6C6",
"type": "color"
},
"300": {
"value": "#9ED19E",
"type": "color"
},
"400": {
"value": "#79B979",
"type": "color"
},
"500": {
"value": "#589D58",
"type": "color"
},
"600": {
"value": "#497949",
"type": "color"
},
"700": {
"value": "#385738",
"type": "color"
},
"800": {
"value": "#273A27",
"type": "color"
},
"900": {
"value": "#192419",
"type": "color"
}
}
}
}