What color is #004E2A?

#004E2A is a very dark, vivid teal-green. In RGB it is rgb(0, 78, 42), and in HSL hsl(152, 100%, 15%).

Is #004E2A accessible as text?

On white, #004E2A has a contrast ratio of 9.89:1 (passes WCAG AA for body text); on black it is 2.12:1 (fails). For text placed on #004E2A, use white for the best readability.

What is the closest Tailwind color to #004E2A?

The nearest Tailwind CSS token is green-900 (#0D542B).

What colors go well with #004E2A?

#004E2A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4D0024. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #004E2A below.

Is #004E2A good for buttons?

#004E2A works well for buttons and highlights, but use white text on #004E2A — black text only reaches 2.12:1, below the 4.5:1 needed for normal-size labels.

Is #004E2A the same as CSS darkslategray?

No — #004E2A 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.

#004E2A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #004E2A

Not just a swatch — here's how #004E2A works with other colors. Named schemes with #004E2A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #004E2A Secondary #4A6C3D Accent #AC6C00 Surface #EEEAD6 Anchor #3C2F20

Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Coastal Morning Lead · 5 colors

Lead #004E2A Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Castleton 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 #004E2A Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

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

Luxury Packaging Feature · 5 colors

Feature #004E2A Anchor #141210 Accent #BFA74B Secondary #212C25 Surface #F1EDE3

Castleton 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 #004E2A Secondary #596D5F Support #989286 Ink #17140F

Castleton 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 Castleton Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #004E2A 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 43/100

Neutral

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 89/100

Very high

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

Vintage feel 54/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 67/100

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 59/100

Moderate

Workable accent with care around contrast.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #004E2A

For UI

For branding

For interior

For fashion

People also use #004E2A with

Green Brunswick Green 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 9.9:1. Use

Subtle surface Use #B4F3D6 for cards and hover fills. Tint 80

Avoid beside #004D42 — 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 #004E2A 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: #004E2A;
  --color-base-rgb: 0 78 42;
  --color-base-oklch: oklch(37.2% 0.092 155.2);
  --color-50: #F0FEF8;
  --color-100: #D8FDEC;
  --color-200: #B1FCD9;
  --color-300: #77F8BC;
  --color-400: #46EC9F;
  --color-500: #22D280;
  --color-600: #239F65;
  --color-700: #1F704A;
  --color-800: #184832;
  --color-900: #112C20;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F0FEF8',
    100: '#D8FDEC',
    200: '#B1FCD9',
    300: '#77F8BC',
    400: '#46EC9F',
    500: '#22D280',
    600: '#239F65',
    700: '#1F704A',
    800: '#184832',
    900: '#112C20',
  },
}

$base: #004E2A;
$base-ink: #FFFFFF;
$base-50: #F0FEF8;
$base-100: #D8FDEC;
$base-200: #B1FCD9;
$base-300: #77F8BC;
$base-400: #46EC9F;
$base-500: #22D280;
$base-600: #239F65;
$base-700: #1F704A;
$base-800: #184832;
$base-900: #112C20;
$base-hover: #003D21;
$base-subtle: #8DEFC1;

{
    "color": {
        "base": {
            "value": "#004E2A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF8",
                "type": "color"
            },
            "100": {
                "value": "#D8FDEC",
                "type": "color"
            },
            "200": {
                "value": "#B1FCD9",
                "type": "color"
            },
            "300": {
                "value": "#77F8BC",
                "type": "color"
            },
            "400": {
                "value": "#46EC9F",
                "type": "color"
            },
            "500": {
                "value": "#22D280",
                "type": "color"
            },
            "600": {
                "value": "#239F65",
                "type": "color"
            },
            "700": {
                "value": "#1F704A",
                "type": "color"
            },
            "800": {
                "value": "#184832",
                "type": "color"
            },
            "900": {
                "value": "#112C20",
                "type": "color"
            }
        }
    }
}