What color is #51641B?

#51641B is a dark lime green. In RGB it is rgb(81, 100, 27), and in HSL hsl(76, 57%, 25%).

Is #51641B accessible as text?

On white, #51641B has a contrast ratio of 6.59:1 (passes WCAG AA for body text); on black it is 3.19:1 (fails). For text placed on #51641B, use white for the best readability.

What is the closest Tailwind color to #51641B?

The nearest Tailwind CSS token is lime-800 (#3C6300).

What colors go well with #51641B?

#51641B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2F1B64. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #51641B below.

Is #51641B good for buttons?

#51641B works well for buttons and highlights, but use white text on #51641B — black text only reaches 3.19:1, below the 4.5:1 needed for normal-size labels.

Is #51641B the same as CSS darkolivegreen?

No — #51641B is not the CSS named color darkolivegreen, but darkolivegreen (#556B2F) is the closest CSS named color.

#51641B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #51641B

Not just a swatch — here's how #51641B works with other colors. Named schemes with #51641B in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #51641B Secondary #AF6A01 Accent #6B7B4A Surface #F2ECDD Anchor #3A2B1E

This palette keeps Dark Olive Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Modern Café Dominant · 5 colors

Dominant #51641B Anchor #392B1F Surface #EEE4D0 Accent #8A9A6B Secondary #3B3833

Dark Olive Green 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.

Vintage Leather Lead · 5 colors

Lead #51641B Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

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

Botanical Studio Lead · 5 colors

Lead #51641B Secondary #506B39 Accent #AF6A01 Surface #EFE9D6 Anchor #3D2F21

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #51641B Secondary #808871 Support #999286 Ink #17140F

Dark Olive 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 Dark Olive Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #51641B 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 59/100

Neutral

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

Softness 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 53/100

Moderate

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

Naturalness 100/100

Very high

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

Vintage feel 71/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 59/100

Moderate

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 27/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 88/100

Very high

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

Surface fit 24/100

Low

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

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #51641B

For UI

For branding

For interior

For fashion

People also use #51641B with

Olive Brown Dark Green Russian Violet Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

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

Background Pair with white text at 6.6:1. Use

Subtle surface Use #E0E8C9 for cards and hover fills. Tint 80

Avoid beside #38641B — 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 #51641B 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: #51641B;
  --color-base-rgb: 81 100 27;
  --color-base-oklch: oklch(47.2% 0.100 122.9);
  --color-50: #FAFCF3;
  --color-100: #F0F7DE;
  --color-200: #E1EDBF;
  --color-300: #C9DC93;
  --color-400: #AFC86A;
  --color-500: #92AD48;
  --color-600: #71843D;
  --color-700: #525E30;
  --color-800: #373E23;
  --color-900: #222617;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-olive-green: {
    50: '#FAFCF3',
    100: '#F0F7DE',
    200: '#E1EDBF',
    300: '#C9DC93',
    400: '#AFC86A',
    500: '#92AD48',
    600: '#71843D',
    700: '#525E30',
    800: '#373E23',
    900: '#222617',
  },
}

$base: #51641B;
$base-ink: #FFFFFF;
$base-50: #FAFCF3;
$base-100: #F0F7DE;
$base-200: #E1EDBF;
$base-300: #C9DC93;
$base-400: #AFC86A;
$base-500: #92AD48;
$base-600: #71843D;
$base-700: #525E30;
$base-800: #373E23;
$base-900: #222617;
$base-hover: #415016;
$base-subtle: #D1DEAD;

{
    "color": {
        "base": {
            "value": "#51641B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFCF3",
                "type": "color"
            },
            "100": {
                "value": "#F0F7DE",
                "type": "color"
            },
            "200": {
                "value": "#E1EDBF",
                "type": "color"
            },
            "300": {
                "value": "#C9DC93",
                "type": "color"
            },
            "400": {
                "value": "#AFC86A",
                "type": "color"
            },
            "500": {
                "value": "#92AD48",
                "type": "color"
            },
            "600": {
                "value": "#71843D",
                "type": "color"
            },
            "700": {
                "value": "#525E30",
                "type": "color"
            },
            "800": {
                "value": "#373E23",
                "type": "color"
            },
            "900": {
                "value": "#222617",
                "type": "color"
            }
        }
    }
}

Palettes built on #51641B

Color Lab

Pairs with #51641B

UI roles & guardrails

In real applications

Scales

Every model

Export