What color is #B3D504?

#B3D504 is a medium, vivid lime green. In RGB it is rgb(179, 213, 4), and in HSL hsl(70, 96%, 43%).

Is #B3D504 accessible as text?

On white, #B3D504 has a contrast ratio of 1.69:1 (fails WCAG AA for body text); on black it is 12.44:1 (passes). For text placed on #B3D504, use black for the best readability.

What is the closest Tailwind color to #B3D504?

The nearest Tailwind CSS token is lime-400 (#9AE600).

What colors go well with #B3D504?

#B3D504 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2704D7. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B3D504 below.

Is #B3D504 good for buttons?

#B3D504 works well for buttons and highlights, but use black text on #B3D504 — white text only reaches 1.69:1, below the 4.5:1 needed for normal-size labels.

Is #B3D504 the same as CSS yellowgreen?

No — #B3D504 is not the CSS named color yellowgreen, but yellowgreen (#9ACD32) is the closest CSS named color.

#B3D504 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B3D504

Not just a swatch — here's how #B3D504 works with other colors. Named schemes with #B3D504 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #B3D504 Secondary #E37537 Accent #DDA426 Anchor #5F394A Surface #F2E9D6

Yellow Green 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 #B3D504 Surface #EEE9DC Highlight #F6F1E7 Secondary #B7B09F Ink #2B2723

Yellow 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.

Warm Autumn Interior Dominant · 5 colors

Dominant #B3D504 Secondary #B06A03 Accent #6B7B4A Surface #F2ECDD Anchor #3A2B1E

This palette keeps Yellow Green 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 #B3D504 Secondary #EBF9C6 Support #999186 Ink #17140F

Yellow 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 Yellow Green carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #B3D504 Anchor #141210 Accent #C4A54B Secondary #272A1F Surface #F2EDE3

Yellow Green 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 #B3D504 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 67/100

Warm

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

Softness 51/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 38/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 22/100

Low

Clean and current — no dusty, aged cast.

Luxury 23/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 21/100

Low

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

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 60/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #B3D504

For UI

For branding

For interior

For fashion

People also use #B3D504 with

Orange Peel Malachite Egyptian Blue 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 11.0:1. Use

Subtle surface Use #EFF6CE for cards and hover fills. Tint 80

Avoid beside #6ED704 — 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 #B3D504 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: #B3D504;
  --color-base-rgb: 179 213 4;
  --color-base-oklch: oklch(81.9% 0.195 120.6);
  --color-50: #FCFEF0;
  --color-100: #F7FDD8;
  --color-200: #EFFCB1;
  --color-300: #E1F67A;
  --color-400: #CEE84A;
  --color-500: #B3CF26;
  --color-600: #899D25;
  --color-700: #616E21;
  --color-800: #404819;
  --color-900: #272C12;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  yellow-green: {
    50: '#FCFEF0',
    100: '#F7FDD8',
    200: '#EFFCB1',
    300: '#E1F67A',
    400: '#CEE84A',
    500: '#B3CF26',
    600: '#899D25',
    700: '#616E21',
    800: '#404819',
    900: '#272C12',
  },
}

$base: #B3D504;
$base-ink: #141310;
$base-50: #FCFEF0;
$base-100: #F7FDD8;
$base-200: #EFFCB1;
$base-300: #E1F67A;
$base-400: #CEE84A;
$base-500: #B3CF26;
$base-600: #899D25;
$base-700: #616E21;
$base-800: #404819;
$base-900: #272C12;
$base-hover: #90AC04;
$base-subtle: #E9F3B4;

{
    "color": {
        "base": {
            "value": "#B3D504",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F7FDD8",
                "type": "color"
            },
            "200": {
                "value": "#EFFCB1",
                "type": "color"
            },
            "300": {
                "value": "#E1F67A",
                "type": "color"
            },
            "400": {
                "value": "#CEE84A",
                "type": "color"
            },
            "500": {
                "value": "#B3CF26",
                "type": "color"
            },
            "600": {
                "value": "#899D25",
                "type": "color"
            },
            "700": {
                "value": "#616E21",
                "type": "color"
            },
            "800": {
                "value": "#404819",
                "type": "color"
            },
            "900": {
                "value": "#272C12",
                "type": "color"
            }
        }
    }
}