What color is #05451C?

#05451C is a very dark, vivid green. In RGB it is rgb(5, 69, 28), and in HSL hsl(142, 86%, 15%).

Is #05451C accessible as text?

On white, #05451C has a contrast ratio of 11.20:1 (passes WCAG AA for body text); on black it is 1.87:1 (fails). For text placed on #05451C, use white for the best readability.

What is the closest Tailwind color to #05451C?

The nearest Tailwind CSS token is emerald-900 (#004F3B).

What colors go well with #05451C?

#05451C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #47052F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #05451C below.

Is #05451C good for buttons?

#05451C works well for buttons and highlights, but use white text on #05451C — black text only reaches 1.87:1, below the 4.5:1 needed for normal-size labels.

Is #05451C the same as CSS darkslategray?

No — #05451C is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#05451C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #05451C

Not just a swatch — here's how #05451C works with other colors. Named schemes with #05451C in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #05451C Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

British Racing Green 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 #05451C Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

British Racing 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.

Japanese Sand Base · 5 colors

Base #05451C Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

British Racing 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.

Luxury Packaging Feature · 5 colors

Feature #05451C Anchor #141210 Accent #C0A74B Secondary #222C24 Surface #F1EDE3

British Racing 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #05451C Secondary #526455 Support #989286 Ink #17140F

British Racing 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 British Racing Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #05451C 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 46/100

Neutral

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

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 65/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 100/100

Very high

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

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 70/100

High

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

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #05451C

For UI

For branding

For interior

For fashion

People also use #05451C with

Dark Green Brunswick Green Deep Purple Platinum Hunter Green

UI roles & guardrails

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

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 11.2:1. Use

Subtle surface Use #B9EECC for cards and hover fills. Tint 80

Avoid beside #054733 — 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 #05451C 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: #05451C;
  --color-base-rgb: 5 69 28;
  --color-base-oklch: oklch(34.2% 0.092 149.4);
  --color-50: #F0FEF5;
  --color-100: #D8FDE6;
  --color-200: #B3F9CD;
  --color-300: #80EFA9;
  --color-400: #52E086;
  --color-500: #2FC666;
  --color-600: #2B9653;
  --color-700: #256A3E;
  --color-800: #1C452B;
  --color-900: #132A1B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  british-racing-green: {
    50: '#F0FEF5',
    100: '#D8FDE6',
    200: '#B3F9CD',
    300: '#80EFA9',
    400: '#52E086',
    500: '#2FC666',
    600: '#2B9653',
    700: '#256A3E',
    800: '#1C452B',
    900: '#132A1B',
  },
}

$base: #05451C;
$base-ink: #FFFFFF;
$base-50: #F0FEF5;
$base-100: #D8FDE6;
$base-200: #B3F9CD;
$base-300: #80EFA9;
$base-400: #52E086;
$base-500: #2FC666;
$base-600: #2B9653;
$base-700: #256A3E;
$base-800: #1C452B;
$base-900: #132A1B;
$base-hover: #043918;
$base-subtle: #93E8B3;

{
    "color": {
        "base": {
            "value": "#05451C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF5",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE6",
                "type": "color"
            },
            "200": {
                "value": "#B3F9CD",
                "type": "color"
            },
            "300": {
                "value": "#80EFA9",
                "type": "color"
            },
            "400": {
                "value": "#52E086",
                "type": "color"
            },
            "500": {
                "value": "#2FC666",
                "type": "color"
            },
            "600": {
                "value": "#2B9653",
                "type": "color"
            },
            "700": {
                "value": "#256A3E",
                "type": "color"
            },
            "800": {
                "value": "#1C452B",
                "type": "color"
            },
            "900": {
                "value": "#132A1B",
                "type": "color"
            }
        }
    }
}