What color is #124E0A?

#124E0A is a very dark, vivid green. In RGB it is rgb(18, 78, 10), and in HSL hsl(113, 77%, 17%).

Is #124E0A accessible as text?

On white, #124E0A has a contrast ratio of 9.91:1 (passes WCAG AA for body text); on black it is 2.12:1 (fails). For text placed on #124E0A, use white for the best readability.

What is the closest Tailwind color to #124E0A?

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

What colors go well with #124E0A?

#124E0A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #450A4D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #124E0A below.

Is #124E0A good for buttons?

#124E0A works well for buttons and highlights, but use white text on #124E0A — black text only reaches 2.12:1, below the 4.5:1 needed for normal-size labels.

Is #124E0A the same as CSS darkgreen?

No — #124E0A is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#124E0A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #124E0A

Not just a swatch — here's how #124E0A works with other colors. Named schemes with #124E0A in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #124E0A Anchor #141210 Accent #C1A64B Secondary #232B22 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.

Botanical Studio Lead · 5 colors

Lead #124E0A Secondary #4D6B3B Accent #AE6B00 Surface #EEEAD6 Anchor #3C2F21

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

Moody Editorial Color · 5 colors

Color #124E0A Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002D13

Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.

Vintage Leather Lead · 5 colors

Lead #124E0A Secondary #754E1C Surface #E6DBC0 Accent #3C5140 Anchor #5B2322

Castleton 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #124E0A Secondary #5A6D57 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 #124E0A 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 49/100

Neutral

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 63/100

High

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

Naturalness 100/100

Very high

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

Vintage feel 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 69/100

High

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

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 63/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 26/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 75/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #124E0A

For UI

For branding

For interior

For fashion

People also use #124E0A with

Dark Olive Green Castleton 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 9.9:1. Use

Subtle surface Use #C3ECBD for cards and hover fills. Tint 80

Avoid beside #0A4D18 — 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 #124E0A 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: #124E0A;
  --color-base-rgb: 18 78 10;
  --color-base-oklch: oklch(37.2% 0.114 141.5);
  --color-50: #F2FEF1;
  --color-100: #DEFBDA;
  --color-200: #BEF5B7;
  --color-300: #92E986;
  --color-400: #68D959;
  --color-500: #46BE37;
  --color-600: #3C9131;
  --color-700: #306628;
  --color-800: #22431E;
  --color-900: #172914;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FEF1',
    100: '#DEFBDA',
    200: '#BEF5B7',
    300: '#92E986',
    400: '#68D959',
    500: '#46BE37',
    600: '#3C9131',
    700: '#306628',
    800: '#22431E',
    900: '#172914',
  },
}

$base: #124E0A;
$base-ink: #FFFFFF;
$base-50: #F2FEF1;
$base-100: #DEFBDA;
$base-200: #BEF5B7;
$base-300: #92E986;
$base-400: #68D959;
$base-500: #46BE37;
$base-600: #3C9131;
$base-700: #306628;
$base-800: #22431E;
$base-900: #172914;
$base-hover: #0E3D08;
$base-subtle: #A3E59A;

{
    "color": {
        "base": {
            "value": "#124E0A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FEF1",
                "type": "color"
            },
            "100": {
                "value": "#DEFBDA",
                "type": "color"
            },
            "200": {
                "value": "#BEF5B7",
                "type": "color"
            },
            "300": {
                "value": "#92E986",
                "type": "color"
            },
            "400": {
                "value": "#68D959",
                "type": "color"
            },
            "500": {
                "value": "#46BE37",
                "type": "color"
            },
            "600": {
                "value": "#3C9131",
                "type": "color"
            },
            "700": {
                "value": "#306628",
                "type": "color"
            },
            "800": {
                "value": "#22431E",
                "type": "color"
            },
            "900": {
                "value": "#172914",
                "type": "color"
            }
        }
    }
}

Palettes built on #124E0A

Color Lab

Pairs with #124E0A

UI roles & guardrails

In real applications

Scales

Every model

Export