What color is #18381D?

#18381D is a very dark green. In RGB it is rgb(24, 56, 29), and in HSL hsl(129, 40%, 16%).

Is #18381D accessible as text?

On white, #18381D has a contrast ratio of 12.94:1 (passes WCAG AA for body text); on black it is 1.62:1 (fails). For text placed on #18381D, use white for the best readability.

What is the closest Tailwind color to #18381D?

The nearest Tailwind CSS token is lime-950 (#192E03).

What colors go well with #18381D?

#18381D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #391834. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18381D below.

Is #18381D good for buttons?

#18381D works well for buttons and highlights, but use white text on #18381D — black text only reaches 1.62:1, below the 4.5:1 needed for normal-size labels.

Is #18381D the same as CSS darkslategray?

No — #18381D 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.

#18381D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18381D

Not just a swatch — here's how #18381D works with other colors. Named schemes with #18381D in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #18381D Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Sacramento 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 #18381D Secondary #754E1B Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

Sacramento 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 #18381D Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Sacramento 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 #18381D Anchor #141210 Accent #C0A64B Secondary #222C23 Surface #F1EDE3

Sacramento 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 #18381D Secondary #4D584E Support #989286 Ink #17140F

Sacramento 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 Sacramento Green carrying the quiet middle.

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Color Lab

How #18381D 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 48/100

Neutral

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

Softness 30/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

High

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

Naturalness 76/100

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 70/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #18381D

For UI

For branding

For interior

For fashion

People also use #18381D with

Army Green Bottle Green Russian Violet 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 12.9:1. Use

Subtle surface Use #C8E0CC for cards and hover fills. Tint 80

Avoid beside #183928 — 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 #18381D 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: #18381D;
  --color-base-rgb: 24 56 29;
  --color-base-oklch: oklch(30.8% 0.061 147.3);
  --color-50: #F4FBF5;
  --color-100: #E2F3E5;
  --color-200: #C6E6CB;
  --color-300: #9ED1A6;
  --color-400: #78BA82;
  --color-500: #579E62;
  --color-600: #487A4F;
  --color-700: #37583C;
  --color-800: #273A2A;
  --color-900: #19241B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F4FBF5',
    100: '#E2F3E5',
    200: '#C6E6CB',
    300: '#9ED1A6',
    400: '#78BA82',
    500: '#579E62',
    600: '#487A4F',
    700: '#37583C',
    800: '#273A2A',
    900: '#19241B',
  },
}

$base: #18381D;
$base-ink: #FFFFFF;
$base-50: #F4FBF5;
$base-100: #E2F3E5;
$base-200: #C6E6CB;
$base-300: #9ED1A6;
$base-400: #78BA82;
$base-500: #579E62;
$base-600: #487A4F;
$base-700: #37583C;
$base-800: #273A2A;
$base-900: #19241B;
$base-hover: #142E18;
$base-subtle: #ABD2B1;

{
    "color": {
        "base": {
            "value": "#18381D",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBF5",
                "type": "color"
            },
            "100": {
                "value": "#E2F3E5",
                "type": "color"
            },
            "200": {
                "value": "#C6E6CB",
                "type": "color"
            },
            "300": {
                "value": "#9ED1A6",
                "type": "color"
            },
            "400": {
                "value": "#78BA82",
                "type": "color"
            },
            "500": {
                "value": "#579E62",
                "type": "color"
            },
            "600": {
                "value": "#487A4F",
                "type": "color"
            },
            "700": {
                "value": "#37583C",
                "type": "color"
            },
            "800": {
                "value": "#273A2A",
                "type": "color"
            },
            "900": {
                "value": "#19241B",
                "type": "color"
            }
        }
    }
}

Palettes built on #18381D

Color Lab

Pairs with #18381D

UI roles & guardrails

In real applications

Scales

Every model

Export