What color is #E4F623?

#E4F623 is a medium, vivid yellow. In RGB it is rgb(228, 246, 35), and in HSL hsl(65, 92%, 55%).

Is #E4F623 accessible as text?

On white, #E4F623 has a contrast ratio of 1.20:1 (fails WCAG AA for body text); on black it is 17.51:1 (passes). For text placed on #E4F623, use black for the best readability.

What is the closest Tailwind color to #E4F623?

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

What colors go well with #E4F623?

#E4F623 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3423F6. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #E4F623 below.

Is #E4F623 good for buttons?

#E4F623 works well for buttons and highlights, but use black text on #E4F623 — white text only reaches 1.20:1, below the 4.5:1 needed for normal-size labels.

Is #E4F623 the same as CSS yellow?

No — #E4F623 is not the CSS named color yellow, but yellow (#FFFF00) is the closest CSS named color.

#E4F623 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #E4F623

Not just a swatch — here's how #E4F623 works with other colors. Named schemes with #E4F623 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #E4F623 Secondary #E37439 Accent #DEA426 Anchor #5F394B Surface #F2E9D6

Cadmium 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 #E4F623 Surface #EEE9DC Highlight #F6F1E7 Secondary #B8B09F Ink #2B2723

Cadmium 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 #E4F623 Secondary #B06905 Accent #6C7B49 Surface #F2ECDD Anchor #3A2B1F

This palette keeps Cadmium 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 #E4F623 Secondary #F8FFC9 Support #999186 Ink #17140F

Cadmium 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 Cadmium Yellow carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #E4F623 Anchor #141210 Accent #C5A44B Secondary #282A1F Surface #F2EDE3

Cadmium 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 #E4F623 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 71/100

Warm

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 8/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 27/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 14/100

Very low

Clean and current — no dusty, aged cast.

Luxury 11/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 79/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 5/100

Very low

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

Surface fit 48/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 60/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #E4F623

For UI

For branding

For interior

For fashion

People also use #E4F623 with

Sandy Brown Lawn Green Han Purple 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 15.5:1. Use

Subtle surface Use #F5F7D9 for cards and hover fills. Tint 80

Avoid beside #9EF623 — 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 #E4F623 at work across the surfaces designers actually ship.

Website / UI

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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: #E4F623;
  --color-base-rgb: 228 246 35;
  --color-base-oklch: oklch(92.8% 0.204 115.1);
  --color-50: #FDFEF0;
  --color-100: #FAFDD8;
  --color-200: #F5FCB1;
  --color-300: #E9F37C;
  --color-400: #D8E54D;
  --color-500: #BECB29;
  --color-600: #919A28;
  --color-700: #666D22;
  --color-800: #43471A;
  --color-900: #292B12;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cadmium-yellow: {
    50: '#FDFEF0',
    100: '#FAFDD8',
    200: '#F5FCB1',
    300: '#E9F37C',
    400: '#D8E54D',
    500: '#BECB29',
    600: '#919A28',
    700: '#666D22',
    800: '#43471A',
    900: '#292B12',
  },
}

$base: #E4F623;
$base-ink: #141310;
$base-50: #FDFEF0;
$base-100: #FAFDD8;
$base-200: #F5FCB1;
$base-300: #E9F37C;
$base-400: #D8E54D;
$base-500: #BECB29;
$base-600: #919A28;
$base-700: #666D22;
$base-800: #43471A;
$base-900: #292B12;
$base-hover: #C6D709;
$base-subtle: #F1F5C5;

{
    "color": {
        "base": {
            "value": "#E4F623",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FAFDD8",
                "type": "color"
            },
            "200": {
                "value": "#F5FCB1",
                "type": "color"
            },
            "300": {
                "value": "#E9F37C",
                "type": "color"
            },
            "400": {
                "value": "#D8E54D",
                "type": "color"
            },
            "500": {
                "value": "#BECB29",
                "type": "color"
            },
            "600": {
                "value": "#919A28",
                "type": "color"
            },
            "700": {
                "value": "#666D22",
                "type": "color"
            },
            "800": {
                "value": "#43471A",
                "type": "color"
            },
            "900": {
                "value": "#292B12",
                "type": "color"
            }
        }
    }
}

Palettes built on #E4F623

Color Lab

Pairs with #E4F623

UI roles & guardrails

In real applications

Scales

Every model

Export