What color is #B3D331?

#B3D331 is a medium lime green. In RGB it is rgb(179, 211, 49), and in HSL hsl(72, 65%, 51%).

Is #B3D331 accessible as text?

On white, #B3D331 has a contrast ratio of 1.71:1 (fails WCAG AA for body text); on black it is 12.28:1 (passes). For text placed on #B3D331, use black for the best readability.

What is the closest Tailwind color to #B3D331?

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

What colors go well with #B3D331?

#B3D331 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5131D3. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B3D331 below.

Is #B3D331 good for buttons?

#B3D331 works well for buttons and highlights, but use black text on #B3D331 — white text only reaches 1.71:1, below the 4.5:1 needed for normal-size labels.

Is #B3D331 the same as CSS yellowgreen?

No — #B3D331 is not the CSS named color yellowgreen, but yellowgreen (#9ACD32) is the closest CSS named color.

#B3D331 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B3D331

Not just a swatch — here's how #B3D331 works with other colors. Named schemes with #B3D331 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B3D331 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.

Botanical Studio Lead · 5 colors

Lead #B3D331 Secondary #506B38 Accent #B06A03 Surface #EFE9D6 Anchor #3D2F21

Yellow Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Desert Clay Center · 5 colors

Center #B3D331 Surface #DED0A8 Secondary #AC7D4F Accent #8E9A72 Anchor #3D2D1F

Yellow Green holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Coastal Morning Lead · 5 colors

Lead #B3D331 Accent #A9C4B8 Surface #E3D9BE Secondary #9AA09F Anchor #183647

Yellow Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #B3D331 Secondary #EAF7C8 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.

Build a working theme in the generator →

Color Lab

How #B3D331 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 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 53/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 24/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 70/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 23/100

Low

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

Surface fit 37/100

Low

Usable as a tinted surface in measured doses.

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #B3D331

For UI

For branding

For interior

For fashion

People also use #B3D331 with

Goldenrod Malachite 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 10.9:1. Use

Subtle surface Use #EDF2DA for cards and hover fills. Tint 80

Avoid beside #7DD331 — 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 #B3D331 at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #B3D331;
  --color-base-rgb: 179 211 49;
  --color-base-oklch: oklch(81.6% 0.180 120.6);
  --color-50: #FBFDF2;
  --color-100: #F3F9DD;
  --color-200: #E6F1BC;
  --color-300: #D1E28E;
  --color-400: #B9CF63;
  --color-500: #9DB441;
  --color-600: #798938;
  --color-700: #57622D;
  --color-800: #3A4021;
  --color-900: #242716;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  yellow-green: {
    50: '#FBFDF2',
    100: '#F3F9DD',
    200: '#E6F1BC',
    300: '#D1E28E',
    400: '#B9CF63',
    500: '#9DB441',
    600: '#798938',
    700: '#57622D',
    800: '#3A4021',
    900: '#242716',
  },
}

$base: #B3D331;
$base-ink: #141310;
$base-50: #FBFDF2;
$base-100: #F3F9DD;
$base-200: #E6F1BC;
$base-300: #D1E28E;
$base-400: #B9CF63;
$base-500: #9DB441;
$base-600: #798938;
$base-700: #57622D;
$base-800: #3A4021;
$base-900: #242716;
$base-hover: #91AC24;
$base-subtle: #E5ECC7;

{
    "color": {
        "base": {
            "value": "#B3D331",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FBFDF2",
                "type": "color"
            },
            "100": {
                "value": "#F3F9DD",
                "type": "color"
            },
            "200": {
                "value": "#E6F1BC",
                "type": "color"
            },
            "300": {
                "value": "#D1E28E",
                "type": "color"
            },
            "400": {
                "value": "#B9CF63",
                "type": "color"
            },
            "500": {
                "value": "#9DB441",
                "type": "color"
            },
            "600": {
                "value": "#798938",
                "type": "color"
            },
            "700": {
                "value": "#57622D",
                "type": "color"
            },
            "800": {
                "value": "#3A4021",
                "type": "color"
            },
            "900": {
                "value": "#242716",
                "type": "color"
            }
        }
    }
}