What color is #B4FF63?

#B4FF63 is a light, vivid green. In RGB it is rgb(180, 255, 99), and in HSL hsl(89, 100%, 69%).

Is #B4FF63 accessible as text?

On white, #B4FF63 has a contrast ratio of 1.21:1 (fails WCAG AA for body text); on black it is 17.42:1 (passes). For text placed on #B4FF63, use black for the best readability.

What is the closest Tailwind color to #B4FF63?

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

What colors go well with #B4FF63?

#B4FF63 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AD61FF. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B4FF63 below.

Is #B4FF63 good for buttons?

#B4FF63 works well for buttons and highlights, but use black text on #B4FF63 — white text only reaches 1.21:1, below the 4.5:1 needed for normal-size labels.

Is #B4FF63 the same as CSS greenyellow?

No — #B4FF63 is not the CSS named color greenyellow, but greenyellow (#ADFF2F) is the closest CSS named color.

#B4FF63 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B4FF63

Not just a swatch — here's how #B4FF63 works with other colors. Named schemes with #B4FF63 in its natural role, and a note on why the supporting colors balance it.

Sunset Warmth Glow · 5 colors

Glow #B4FF63 Secondary #E27533 Accent #DBA524 Anchor #5F394A Surface #F2EAD6

Green 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 #B4FF63 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Green 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 #B4FF63 Secondary #AF6A00 Accent #6A7B4B Surface #F2ECDD Anchor #3A2B1E

This palette keeps Green 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 #B4FF63 Secondary #EAFFD3 Support #999286 Ink #17140F

Green 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 Green Yellow carrying the quiet middle.

Luxury Packaging Feature · 5 colors

Feature #B4FF63 Anchor #141210 Accent #C2A54B Secondary #252B21 Surface #F2EDE3

Green 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.

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Color Lab

How #B4FF63 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 58/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 9/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 37/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 15/100

Very low

Clean and current — no dusty, aged cast.

Luxury 12/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 77/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 6/100

Very low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 56/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #B4FF63

For UI

For branding

For interior

For fashion

People also use #B4FF63 with

Butter Yellow Spring Green Medium 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 15.4:1. Use

Subtle surface Use #F0FBE4 for cards and hover fills. Tint 80

Avoid beside #7EFF61 — 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 #B4FF63 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: #B4FF63;
  --color-base-rgb: 180 255 99;
  --color-base-oklch: oklch(92.0% 0.201 131.1);
  --color-50: #F8FEF0;
  --color-100: #EBFDD8;
  --color-200: #D7FCB1;
  --color-300: #BAF877;
  --color-400: #9CEC46;
  --color-500: #7DD222;
  --color-600: #639F23;
  --color-700: #49701F;
  --color-800: #314818;
  --color-900: #1F2C11;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  green-yellow: {
    50: '#F8FEF0',
    100: '#EBFDD8',
    200: '#D7FCB1',
    300: '#BAF877',
    400: '#9CEC46',
    500: '#7DD222',
    600: '#639F23',
    700: '#49701F',
    800: '#314818',
    900: '#1F2C11',
  },
}

$base: #B4FF63;
$base-ink: #141310;
$base-50: #F8FEF0;
$base-100: #EBFDD8;
$base-200: #D7FCB1;
$base-300: #BAF877;
$base-400: #9CEC46;
$base-500: #7DD222;
$base-600: #639F23;
$base-700: #49701F;
$base-800: #314818;
$base-900: #1F2C11;
$base-hover: #91FF1B;
$base-subtle: #E8F9D5;

{
    "color": {
        "base": {
            "value": "#B4FF63",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8FEF0",
                "type": "color"
            },
            "100": {
                "value": "#EBFDD8",
                "type": "color"
            },
            "200": {
                "value": "#D7FCB1",
                "type": "color"
            },
            "300": {
                "value": "#BAF877",
                "type": "color"
            },
            "400": {
                "value": "#9CEC46",
                "type": "color"
            },
            "500": {
                "value": "#7DD222",
                "type": "color"
            },
            "600": {
                "value": "#639F23",
                "type": "color"
            },
            "700": {
                "value": "#49701F",
                "type": "color"
            },
            "800": {
                "value": "#314818",
                "type": "color"
            },
            "900": {
                "value": "#1F2C11",
                "type": "color"
            }
        }
    }
}

Palettes built on #B4FF63

Color Lab

Pairs with #B4FF63

UI roles & guardrails

In real applications

Scales

Every model

Export