What color is #18503F?

#18503F is a dark teal-green. In RGB it is rgb(24, 80, 63), and in HSL hsl(162, 54%, 20%).

Is #18503F accessible as text?

On white, #18503F has a contrast ratio of 9.30:1 (passes WCAG AA for body text); on black it is 2.26:1 (fails). For text placed on #18503F, use white for the best readability.

What is the closest Tailwind color to #18503F?

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

What colors go well with #18503F?

#18503F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F1728. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18503F below.

Is #18503F good for buttons?

#18503F works well for buttons and highlights, but use white text on #18503F — black text only reaches 2.26:1, below the 4.5:1 needed for normal-size labels.

Is #18503F the same as CSS darkslategray?

No — #18503F 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.

#18503F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18503F

Not just a swatch — here's how #18503F works with other colors. Named schemes with #18503F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #18503F Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Brunswick Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #18503F Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Brunswick Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #18503F Secondary #734F19 Surface #E5DBC0 Accent #3B5141 Anchor #5B231F

Brunswick 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.

Modern Café Dominant · 5 colors

Dominant #18503F Anchor #382B1E Surface #ECE4D0 Accent #849C6F Secondary #3A3833

Brunswick 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #18503F Secondary #5F7069 Support #989286 Ink #16140F

Brunswick 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 Brunswick Green carrying the quiet middle.

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Color Lab

How #18503F 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 41/100

Neutral

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

Softness 37/100

Low

Middle-weight — neither delicate nor heavy.

Depth 59/100

Moderate

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

Naturalness 45/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 64/100

High

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

Brand distinctiveness 25/100

Low

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

UI accent fit 56/100

Moderate

Workable accent with care around contrast.

Surface fit 40/100

Low

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 #18503F

For UI

For branding

For interior

For fashion

People also use #18503F with

Dark Green Charcoal Oxblood Platinum Dark Slate Gray

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 9.3:1. Use

Subtle surface Use #C6E6DD for cards and hover fills. Tint 80

Avoid beside #174D4F — 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 #18503F 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: #18503F;
  --color-base-rgb: 24 80 63;
  --color-base-oklch: oklch(39.0% 0.065 169.3);
  --color-50: #F3FCF9;
  --color-100: #DFF6EF;
  --color-200: #C0ECDF;
  --color-300: #95DAC6;
  --color-400: #6CC6AB;
  --color-500: #4BAA8D;
  --color-600: #3F836E;
  --color-700: #325D50;
  --color-800: #233D36;
  --color-900: #172622;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  brunswick-green: {
    50: '#F3FCF9',
    100: '#DFF6EF',
    200: '#C0ECDF',
    300: '#95DAC6',
    400: '#6CC6AB',
    500: '#4BAA8D',
    600: '#3F836E',
    700: '#325D50',
    800: '#233D36',
    900: '#172622',
  },
}

$base: #18503F;
$base-ink: #FFFFFF;
$base-50: #F3FCF9;
$base-100: #DFF6EF;
$base-200: #C0ECDF;
$base-300: #95DAC6;
$base-400: #6CC6AB;
$base-500: #4BAA8D;
$base-600: #3F836E;
$base-700: #325D50;
$base-800: #233D36;
$base-900: #172622;
$base-hover: #133F32;
$base-subtle: #A9DBCC;

{
    "color": {
        "base": {
            "value": "#18503F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#DFF6EF",
                "type": "color"
            },
            "200": {
                "value": "#C0ECDF",
                "type": "color"
            },
            "300": {
                "value": "#95DAC6",
                "type": "color"
            },
            "400": {
                "value": "#6CC6AB",
                "type": "color"
            },
            "500": {
                "value": "#4BAA8D",
                "type": "color"
            },
            "600": {
                "value": "#3F836E",
                "type": "color"
            },
            "700": {
                "value": "#325D50",
                "type": "color"
            },
            "800": {
                "value": "#233D36",
                "type": "color"
            },
            "900": {
                "value": "#172622",
                "type": "color"
            }
        }
    }
}

Palettes built on #18503F

Color Lab

Pairs with #18503F

UI roles & guardrails

In real applications

Scales

Every model

Export