What color is #124E2C?

#124E2C is a dark teal-green. In RGB it is rgb(18, 78, 44), and in HSL hsl(146, 63%, 19%).

Is #124E2C accessible as text?

On white, #124E2C has a contrast ratio of 9.76:1 (passes WCAG AA for body text); on black it is 2.15:1 (fails). For text placed on #124E2C, use white for the best readability.

What is the closest Tailwind color to #124E2C?

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

What colors go well with #124E2C?

#124E2C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F1235. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #124E2C below.

Is #124E2C good for buttons?

#124E2C works well for buttons and highlights, but use white text on #124E2C — black text only reaches 2.15:1, below the 4.5:1 needed for normal-size labels.

Is #124E2C the same as CSS darkslategray?

No — #124E2C 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.

#124E2C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #124E2C

Not just a swatch — here's how #124E2C works with other colors. Named schemes with #124E2C in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #124E2C Secondary #4B6C3D 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 #124E2C 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 #124E2C 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 #124E2C Anchor #141210 Accent #BFA74B Secondary #212C24 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 #124E2C Secondary #5B6D60 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 #124E2C 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 44/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

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

Naturalness 87/100

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 66/100

High

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

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 58/100

Moderate

Workable accent with care around contrast.

Surface fit 35/100

Low

Usable as a tinted surface in measured doses.

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #124E2C

For UI

For branding

For interior

For fashion

People also use #124E2C with

Dark Green Dark Slate Gray Tyrian Purple 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 9.8:1. Use

Subtle surface Use #C3E8D3 for cards and hover fills. Tint 80

Avoid beside #124F41 — 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 #124E2C 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: #124E2C;
  --color-base-rgb: 18 78 44;
  --color-base-oklch: oklch(37.7% 0.084 153.9);
  --color-50: #F2FDF7;
  --color-100: #DDF8E9;
  --color-200: #BDF0D3;
  --color-300: #8FE0B2;
  --color-400: #65CD92;
  --color-500: #43B273;
  --color-600: #3A885C;
  --color-700: #2E6144;
  --color-800: #21402E;
  --color-900: #16271D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F2FDF7',
    100: '#DDF8E9',
    200: '#BDF0D3',
    300: '#8FE0B2',
    400: '#65CD92',
    500: '#43B273',
    600: '#3A885C',
    700: '#2E6144',
    800: '#21402E',
    900: '#16271D',
  },
}

$base: #124E2C;
$base-ink: #FFFFFF;
$base-50: #F2FDF7;
$base-100: #DDF8E9;
$base-200: #BDF0D3;
$base-300: #8FE0B2;
$base-400: #65CD92;
$base-500: #43B273;
$base-600: #3A885C;
$base-700: #2E6144;
$base-800: #21402E;
$base-900: #16271D;
$base-hover: #0E3F24;
$base-subtle: #A3DFBD;

{
    "color": {
        "base": {
            "value": "#124E2C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF7",
                "type": "color"
            },
            "100": {
                "value": "#DDF8E9",
                "type": "color"
            },
            "200": {
                "value": "#BDF0D3",
                "type": "color"
            },
            "300": {
                "value": "#8FE0B2",
                "type": "color"
            },
            "400": {
                "value": "#65CD92",
                "type": "color"
            },
            "500": {
                "value": "#43B273",
                "type": "color"
            },
            "600": {
                "value": "#3A885C",
                "type": "color"
            },
            "700": {
                "value": "#2E6144",
                "type": "color"
            },
            "800": {
                "value": "#21402E",
                "type": "color"
            },
            "900": {
                "value": "#16271D",
                "type": "color"
            }
        }
    }
}