#E5FF3F is a mid-toned, warm 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 #E5FF3F works with other colors. Named schemes with #E5FF3F in its natural role, and a note on why the supporting colors balance it.
Neon Yellow glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.
Neon Yellow 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.
This palette keeps Neon Yellow as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.
Neon Yellow 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 Neon Yellow carrying the quiet middle.
Neon Yellow 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.
How #E5FF3F 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 #E5FF3F at work across the surfaces designers actually ship.
:root {
--color-base: #E5FF3F;
--color-base-rgb: 229 255 63;
--color-base-oklch: oklch(95.0% 0.202 117.3);
--color-50: #FDFEF0;
--color-100: #F8FDD8;
--color-200: #F2FCB1;
--color-300: #E7F877;
--color-400: #D6EC46;
--color-500: #BBD222;
--color-600: #8F9F23;
--color-700: #65701F;
--color-800: #424818;
--color-900: #292C11;
--color-on-base: #141310;
}
// tailwind.config.js
colors: {
neon-yellow: {
50: '#FDFEF0',
100: '#F8FDD8',
200: '#F2FCB1',
300: '#E7F877',
400: '#D6EC46',
500: '#BBD222',
600: '#8F9F23',
700: '#65701F',
800: '#424818',
900: '#292C11',
},
}
$base: #E5FF3F; $base-ink: #141310; $base-50: #FDFEF0; $base-100: #F8FDD8; $base-200: #F2FCB1; $base-300: #E7F877; $base-400: #D6EC46; $base-500: #BBD222; $base-600: #8F9F23; $base-700: #65701F; $base-800: #424818; $base-900: #292C11; $base-hover: #DBFD00; $base-subtle: #F2F8CC;
{
"color": {
"base": {
"value": "#E5FF3F",
"type": "color"
},
"onBase": {
"value": "#141310",
"type": "color"
},
"scale": {
"50": {
"value": "#FDFEF0",
"type": "color"
},
"100": {
"value": "#F8FDD8",
"type": "color"
},
"200": {
"value": "#F2FCB1",
"type": "color"
},
"300": {
"value": "#E7F877",
"type": "color"
},
"400": {
"value": "#D6EC46",
"type": "color"
},
"500": {
"value": "#BBD222",
"type": "color"
},
"600": {
"value": "#8F9F23",
"type": "color"
},
"700": {
"value": "#65701F",
"type": "color"
},
"800": {
"value": "#424818",
"type": "color"
},
"900": {
"value": "#292C11",
"type": "color"
}
}
}
}