What color is #E4FF38?

#E4FF38 is a medium, vivid lime green. In RGB it is rgb(228, 255, 56), and in HSL hsl(68, 100%, 61%).

Is #E4FF38 accessible as text?

On white, #E4FF38 has a contrast ratio of 1.13:1 (fails WCAG AA for body text); on black it is 18.66:1 (passes). For text placed on #E4FF38, use black for the best readability.

What is the closest Tailwind color to #E4FF38?

The nearest Tailwind CSS token is lime-300 (#BBF451).

What colors go well with #E4FF38?

#E4FF38 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5338FF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #E4FF38 below.

Is #E4FF38 good for buttons?

#E4FF38 works well for buttons and highlights, but use black text on #E4FF38 — white text only reaches 1.13:1, below the 4.5:1 needed for normal-size labels.

Is #E4FF38 the same as CSS yellow?

No — #E4FF38 is not the CSS named color yellow, but yellow (#FFFF00) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#E4FF38 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #E4FF38

Not just a swatch — here's how #E4FF38 works with other colors. Named schemes with #E4FF38 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #E4FF38 Secondary #E37438 Accent #DEA426 Anchor #5F394A Surface #F2E9D6

Yellow glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Japanese Sand Base · 5 colors

Base #E4FF38 Surface #EEE9DC Highlight #F6F1E7 Secondary #B8B09F Ink #2B2723

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #E4FF38 Secondary #B06904 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

This palette keeps Yellow as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #E4FF38 Secondary #F6FFCA Support #999186 Ink #17140F

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 Yellow carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #E4FF38 Anchor #141210 Accent #C4A44B Secondary #282A1F Surface #F2EDE3

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.

Build a working theme in the generator →

Color Lab

How #E4FF38 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.

Warmth 69/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 6/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 27/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 8/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 80/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 4/100

Very low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 59/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #E4FF38

For UI

For branding

For interior

For fashion

People also use #E4FF38 with

Topaz Lawn Green Iris Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA

Body text Do not use for body copy on light surfaces. Avoid

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 16.5:1. Use

Subtle surface Use #F6F9DD for cards and hover fills. Tint 80

Avoid beside #A2FF38 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #E4FF38 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #E4FF38;
  --color-base-rgb: 228 255 56;
  --color-base-oklch: oklch(94.9% 0.206 117.5);
  --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: {
  yellow: {
    50: '#FDFEF0',
    100: '#F8FDD8',
    200: '#F2FCB1',
    300: '#E7F877',
    400: '#D6EC46',
    500: '#BBD222',
    600: '#8F9F23',
    700: '#65701F',
    800: '#424818',
    900: '#292C11',
  },
}

$base: #E4FF38;
$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: #D8F900;
$base-subtle: #F2F8CA;

{
    "color": {
        "base": {
            "value": "#E4FF38",
            "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"
            }
        }
    }
}

Palettes built on #E4FF38

Color Lab

Pairs with #E4FF38

UI roles & guardrails

In real applications

Scales

Every model

Export