What color is #182003?

#182003 is a very dark, vivid lime green. In RGB it is rgb(24, 32, 3), and in HSL hsl(77, 83%, 7%).

Is #182003 accessible as text?

On white, #182003 has a contrast ratio of 16.84:1 (passes WCAG AA for body text); on black it is 1.25:1 (fails). For text placed on #182003, use white for the best readability.

What is the closest Tailwind color to #182003?

The nearest Tailwind CSS token is olive-900 (#1D1D16).

What colors go well with #182003?

#182003 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0B0321. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #182003 below.

Is #182003 good for buttons?

#182003 works well for buttons and highlights, but use white text on #182003 — black text only reaches 1.25:1, below the 4.5:1 needed for normal-size labels.

Is #182003 the same as CSS darkslategray?

No — #182003 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.

#182003 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #182003

Not just a swatch — here's how #182003 works with other colors. Named schemes with #182003 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #182003 Secondary #506B39 Accent #AF6A01 Surface #EFE9D6 Anchor #3D2F21

Graphite 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 #182003 Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

Graphite 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 #182003 Surface #EEE9DC Highlight #F6F1E7 Secondary #B7B09F Ink #2B2723

Graphite 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 #182003 Anchor #141210 Accent #C4A54B Secondary #272B20 Surface #F2EDE3

Graphite 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 #182003 Secondary #3D4137 Support #999286 Ink #17140F

Graphite 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 Graphite carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #182003 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 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

High

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

Naturalness 64/100

High

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

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 15/100

Very low

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

Surface fit 55/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #182003

For UI

For branding

For interior

For fashion

People also use #182003 with

Espresso Graphite Jet Black Platinum Army 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 16.8:1. Use

Subtle surface Use #DCECB3 for cards and hover fills. Tint 80

Avoid beside #0E2103 — 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 #182003 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: #182003;
  --color-base-rgb: 24 32 3;
  --color-base-oklch: oklch(22.8% 0.050 123.1);
  --color-50: #FAFEF0;
  --color-100: #F2FDD9;
  --color-200: #E5F8B4;
  --color-300: #CFED82;
  --color-400: #B7DE54;
  --color-500: #9AC331;
  --color-600: #77952D;
  --color-700: #566926;
  --color-800: #39441C;
  --color-900: #232A13;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#FAFEF0',
    100: '#F2FDD9',
    200: '#E5F8B4',
    300: '#CFED82',
    400: '#B7DE54',
    500: '#9AC331',
    600: '#77952D',
    700: '#566926',
    800: '#39441C',
    900: '#232A13',
  },
}

$base: #182003;
$base-ink: #FFFFFF;
$base-50: #FAFEF0;
$base-100: #F2FDD9;
$base-200: #E5F8B4;
$base-300: #CFED82;
$base-400: #B7DE54;
$base-500: #9AC331;
$base-600: #77952D;
$base-700: #566926;
$base-800: #39441C;
$base-900: #232A13;
$base-hover: #131A02;
$base-subtle: #CBE58B;

{
    "color": {
        "base": {
            "value": "#182003",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFEF0",
                "type": "color"
            },
            "100": {
                "value": "#F2FDD9",
                "type": "color"
            },
            "200": {
                "value": "#E5F8B4",
                "type": "color"
            },
            "300": {
                "value": "#CFED82",
                "type": "color"
            },
            "400": {
                "value": "#B7DE54",
                "type": "color"
            },
            "500": {
                "value": "#9AC331",
                "type": "color"
            },
            "600": {
                "value": "#77952D",
                "type": "color"
            },
            "700": {
                "value": "#566926",
                "type": "color"
            },
            "800": {
                "value": "#39441C",
                "type": "color"
            },
            "900": {
                "value": "#232A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #182003

Color Lab

Pairs with #182003

UI roles & guardrails

In real applications

Scales

Every model

Export