What color is #42503B?

#42503B is a dark, muted green. In RGB it is rgb(66, 80, 59), and in HSL hsl(100, 15%, 27%).

Is #42503B accessible as text?

On white, #42503B has a contrast ratio of 8.60:1 (passes WCAG AA for body text); on black it is 2.44:1 (fails). For text placed on #42503B, use white for the best readability.

What is the closest Tailwind color to #42503B?

The nearest Tailwind CSS token is olive-700 (#474739).

What colors go well with #42503B?

#42503B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #483B4F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #42503B below.

Is #42503B good for buttons?

#42503B works well for buttons and highlights, but use white text on #42503B — black text only reaches 2.44:1, below the 4.5:1 needed for normal-size labels.

Is #42503B the same as CSS darkslategray?

No — #42503B 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.

#42503B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42503B

Not just a swatch — here's how #42503B works with other colors. Named schemes with #42503B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #42503B Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

Outer Space 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 #42503B Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

Outer Space 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 #42503B Anchor #392B1E Surface #EDE4D0 Accent #889A6C Secondary #3A3833

Outer Space 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.

Japanese Sand Base · 5 colors

Base #42503B Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Outer Space 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #42503B Secondary #6F746C Support #999286 Ink #17140F

Outer Space 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 Outer Space carrying the quiet middle.

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Color Lab

How #42503B 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 51/100

Neutral

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 56/100

Moderate

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

Vintage feel 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 59/100

Moderate

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #42503B

For UI

For branding

For interior

For fashion

People also use #42503B with

Ebony Dark Slate Gray Charcoal Platinum Outer Space

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 8.6:1. Use

Subtle surface Use #D8DED6 for cards and hover fills. Tint 80

Avoid beside #3B4F3B — 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 #42503B 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: #42503B;
  --color-base-rgb: 66 80 59;
  --color-base-oklch: oklch(41.3% 0.038 135.3);
  --color-50: #F7F9F6;
  --color-100: #EAEEE7;
  --color-200: #D4DCD0;
  --color-300: #B4C1AE;
  --color-400: #95A58D;
  --color-500: #76886D;
  --color-600: #5E6A58;
  --color-700: #454D41;
  --color-800: #2F342D;
  --color-900: #1E211D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  outer-space: {
    50: '#F7F9F6',
    100: '#EAEEE7',
    200: '#D4DCD0',
    300: '#B4C1AE',
    400: '#95A58D',
    500: '#76886D',
    600: '#5E6A58',
    700: '#454D41',
    800: '#2F342D',
    900: '#1E211D',
  },
}

$base: #42503B;
$base-ink: #FFFFFF;
$base-50: #F7F9F6;
$base-100: #EAEEE7;
$base-200: #D4DCD0;
$base-300: #B4C1AE;
$base-400: #95A58D;
$base-500: #76886D;
$base-600: #5E6A58;
$base-700: #454D41;
$base-800: #2F342D;
$base-900: #1E211D;
$base-hover: #343F2F;
$base-subtle: #C5CEC1;

{
    "color": {
        "base": {
            "value": "#42503B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F9F6",
                "type": "color"
            },
            "100": {
                "value": "#EAEEE7",
                "type": "color"
            },
            "200": {
                "value": "#D4DCD0",
                "type": "color"
            },
            "300": {
                "value": "#B4C1AE",
                "type": "color"
            },
            "400": {
                "value": "#95A58D",
                "type": "color"
            },
            "500": {
                "value": "#76886D",
                "type": "color"
            },
            "600": {
                "value": "#5E6A58",
                "type": "color"
            },
            "700": {
                "value": "#454D41",
                "type": "color"
            },
            "800": {
                "value": "#2F342D",
                "type": "color"
            },
            "900": {
                "value": "#1E211D",
                "type": "color"
            }
        }
    }
}

Palettes built on #42503B

Color Lab

Pairs with #42503B

UI roles & guardrails

In real applications

Scales

Every model

Export