#4FF178 is a mid-toned, temperate teal-green. On the Color Lab it reads bold and ownable. It is too pale to lead as a primary accent and sits well as a supporting tone.
Not just a swatch — here's how #4FF178 works with other colors. Named schemes with #4FF178 in its natural role, and a note on why the supporting colors balance it.
Medium Spring Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.
Medium Spring Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Medium Spring Green.
Medium Spring Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.
Medium Spring 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 Medium Spring Green carrying the quiet middle.
Medium Spring Green 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.
How #4FF178 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 #4FF178 at work across the surfaces designers actually ship.
:root {
--color-base: #4FF178;
--color-base-rgb: 79 241 120;
--color-base-oklch: oklch(84.8% 0.211 148.1);
--color-50: #F0FEF4;
--color-100: #D8FDE1;
--color-200: #B4F9C5;
--color-300: #81EE9C;
--color-400: #53DF76;
--color-500: #30C555;
--color-600: #2C9646;
--color-700: #256A36;
--color-800: #1C4526;
--color-900: #132A19;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
medium-spring-green: {
50: '#F0FEF4',
100: '#D8FDE1',
200: '#B4F9C5',
300: '#81EE9C',
400: '#53DF76',
500: '#30C555',
600: '#2C9646',
700: '#256A36',
800: '#1C4526',
900: '#132A19',
},
}
$base: #4FF178; $base-ink: #141310; $base-50: #F0FEF4; $base-100: #D8FDE1; $base-200: #B4F9C5; $base-300: #81EE9C; $base-400: #53DF76; $base-500: #30C555; $base-600: #2C9646; $base-700: #256A36; $base-800: #1C4526; $base-900: #132A19; $base-hover: #15EC4B; $base-subtle: #D0F5DA;
{
"color": {
"base": {
"value": "#4FF178",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#F0FEF4",
"type": "color"
},
"100": {
"value": "#D8FDE1",
"type": "color"
},
"200": {
"value": "#B4F9C5",
"type": "color"
},
"300": {
"value": "#81EE9C",
"type": "color"
},
"400": {
"value": "#53DF76",
"type": "color"
},
"500": {
"value": "#30C555",
"type": "color"
},
"600": {
"value": "#2C9646",
"type": "color"
},
"700": {
"value": "#256A36",
"type": "color"
},
"800": {
"value": "#1C4526",
"type": "color"
},
"900": {
"value": "#132A19",
"type": "color"
}
}
}
}