What color is #0E511C?

#0E511C is a dark, vivid green. In RGB it is rgb(14, 81, 28), and in HSL hsl(133, 71%, 19%).

Is #0E511C accessible as text?

On white, #0E511C has a contrast ratio of 9.49:1 (passes WCAG AA for body text); on black it is 2.21:1 (fails). For text placed on #0E511C, use white for the best readability.

What is the closest Tailwind color to #0E511C?

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

What colors go well with #0E511C?

#0E511C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #530E44. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0E511C below.

Is #0E511C good for buttons?

#0E511C works well for buttons and highlights, but use white text on #0E511C — black text only reaches 2.21:1, below the 4.5:1 needed for normal-size labels.

Is #0E511C the same as CSS darkgreen?

No — #0E511C is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#0E511C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0E511C

Not just a swatch — here's how #0E511C works with other colors. Named schemes with #0E511C in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #0E511C Secondary #4C6B3C Accent #AD6C00 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.

Vintage Leather Lead · 5 colors

Lead #0E511C Secondary #754E1B 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.

Modern Café Dominant · 5 colors

Dominant #0E511C Anchor #392B1E Surface #EDE4D0 Accent #879B6D Secondary #3A3833

Castleton 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.

Berry & Cream Lead · 5 colors

Lead #0E511C Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Castleton Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #0E511C Secondary #5C705D 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 #0E511C 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 47/100

Neutral

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 100/100

Very high

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

Vintage feel 53/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

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

Brand distinctiveness 29/100

Low

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

UI accent fit 65/100

High

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

Surface fit 28/100

Low

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

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0E511C

For UI

For branding

For interior

For fashion

People also use #0E511C with

Green Brunswick Green 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 9.5:1. Use

Subtle surface Use #C1EBCA for cards and hover fills. Tint 80

Avoid beside #0E5334 — 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 #0E511C 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: #0E511C;
  --color-base-rgb: 14 81 28;
  --color-base-oklch: oklch(38.2% 0.106 146.3);
  --color-50: #F1FDF4;
  --color-100: #DBFAE2;
  --color-200: #B9F3C6;
  --color-300: #8AE59E;
  --color-400: #5ED478;
  --color-500: #3CB957;
  --color-600: #358D48;
  --color-700: #2B6437;
  --color-800: #1F4227;
  --color-900: #152819;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F1FDF4',
    100: '#DBFAE2',
    200: '#B9F3C6',
    300: '#8AE59E',
    400: '#5ED478',
    500: '#3CB957',
    600: '#358D48',
    700: '#2B6437',
    800: '#1F4227',
    900: '#152819',
  },
}

$base: #0E511C;
$base-ink: #FFFFFF;
$base-50: #F1FDF4;
$base-100: #DBFAE2;
$base-200: #B9F3C6;
$base-300: #8AE59E;
$base-400: #5ED478;
$base-500: #3CB957;
$base-600: #358D48;
$base-700: #2B6437;
$base-800: #1F4227;
$base-900: #152819;
$base-hover: #0B4217;
$base-subtle: #A0E2AE;

{
    "color": {
        "base": {
            "value": "#0E511C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDF4",
                "type": "color"
            },
            "100": {
                "value": "#DBFAE2",
                "type": "color"
            },
            "200": {
                "value": "#B9F3C6",
                "type": "color"
            },
            "300": {
                "value": "#8AE59E",
                "type": "color"
            },
            "400": {
                "value": "#5ED478",
                "type": "color"
            },
            "500": {
                "value": "#3CB957",
                "type": "color"
            },
            "600": {
                "value": "#358D48",
                "type": "color"
            },
            "700": {
                "value": "#2B6437",
                "type": "color"
            },
            "800": {
                "value": "#1F4227",
                "type": "color"
            },
            "900": {
                "value": "#152819",
                "type": "color"
            }
        }
    }
}

Palettes built on #0E511C

Color Lab

Pairs with #0E511C

UI roles & guardrails

In real applications

Scales

Every model

Export