What color is #51981B?

#51981B is a dark, vivid green. In RGB it is rgb(81, 152, 27), and in HSL hsl(94, 70%, 35%).

Is #51981B accessible as text?

On white, #51981B has a contrast ratio of 3.59:1 (fails WCAG AA for body text); on black it is 5.86:1 (passes). For text placed on #51981B, use black for the best readability.

What is the closest Tailwind color to #51981B?

The nearest Tailwind CSS token is lime-600 (#5EA500).

What colors go well with #51981B?

#51981B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #621B98. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51981B below.

Is #51981B good for buttons?

#51981B works well for buttons and highlights, but use black text on #51981B — white text only reaches 3.59:1, below the 4.5:1 needed for normal-size labels.

Is #51981B the same as CSS olivedrab?

No — #51981B is not the CSS named color olivedrab, but olivedrab (#6B8E23) is the closest CSS named color.

#51981B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51981B

Not just a swatch — here's how #51981B works with other colors. Named schemes with #51981B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #51981B Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

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

Vintage Leather Lead · 5 colors

Lead #51981B Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

Olive Drab plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #51981B Anchor #392B1E Surface #EDE4D0 Accent #889A6C Secondary #3A3833

Olive Drab anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Berry & Cream Lead · 5 colors

Lead #51981B Surface #F1E8D6 Anchor #61202A Accent #E6C3BB Secondary #342B2C

Olive Drab sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #51981B Secondary #9EB792 Support #999286 Ink #17140F

Olive Drab 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 Olive Drab carrying the quiet middle.

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Color Lab

How #51981B 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 54/100

Neutral

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 74/100

High

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 87/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 18/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 63/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #51981B

For UI

For branding

For interior

For fashion

People also use #51981B with

Peridot Forest Green Rebecca Purple Platinum Army Green

UI roles & guardrails

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

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

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.2:1. Use

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

Avoid beside #27981B — 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 #51981B 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: #51981B;
  --color-base-rgb: 81 152 27;
  --color-base-oklch: oklch(61.0% 0.168 135.5);
  --color-50: #F7FDF1;
  --color-100: #E9FADB;
  --color-200: #D2F3BA;
  --color-300: #B2E58A;
  --color-400: #91D35F;
  --color-500: #72B83D;
  --color-600: #5B8C35;
  --color-700: #44642B;
  --color-800: #2E4120;
  --color-900: #1D2815;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  olive-drab: {
    50: '#F7FDF1',
    100: '#E9FADB',
    200: '#D2F3BA',
    300: '#B2E58A',
    400: '#91D35F',
    500: '#72B83D',
    600: '#5B8C35',
    700: '#44642B',
    800: '#2E4120',
    900: '#1D2815',
  },
}

$base: #51981B;
$base-ink: #141310;
$base-50: #F7FDF1;
$base-100: #E9FADB;
$base-200: #D2F3BA;
$base-300: #B2E58A;
$base-400: #91D35F;
$base-500: #72B83D;
$base-600: #5B8C35;
$base-700: #44642B;
$base-800: #2E4120;
$base-900: #1D2815;
$base-hover: #417915;
$base-subtle: #CAE8B3;

{
    "color": {
        "base": {
            "value": "#51981B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7FDF1",
                "type": "color"
            },
            "100": {
                "value": "#E9FADB",
                "type": "color"
            },
            "200": {
                "value": "#D2F3BA",
                "type": "color"
            },
            "300": {
                "value": "#B2E58A",
                "type": "color"
            },
            "400": {
                "value": "#91D35F",
                "type": "color"
            },
            "500": {
                "value": "#72B83D",
                "type": "color"
            },
            "600": {
                "value": "#5B8C35",
                "type": "color"
            },
            "700": {
                "value": "#44642B",
                "type": "color"
            },
            "800": {
                "value": "#2E4120",
                "type": "color"
            },
            "900": {
                "value": "#1D2815",
                "type": "color"
            }
        }
    }
}

Palettes built on #51981B

Color Lab

Pairs with #51981B

UI roles & guardrails

In real applications

Scales

Every model

Export