What color is #2B4E11?

#2B4E11 is a dark green. In RGB it is rgb(43, 78, 17), and in HSL hsl(94, 64%, 19%).

Is #2B4E11 accessible as text?

On white, #2B4E11 has a contrast ratio of 9.54:1 (passes WCAG AA for body text); on black it is 2.20:1 (fails). For text placed on #2B4E11, use white for the best readability.

What is the closest Tailwind color to #2B4E11?

The nearest Tailwind CSS token is lime-900 (#35530E).

What colors go well with #2B4E11?

#2B4E11 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #35114F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2B4E11 below.

Is #2B4E11 good for buttons?

#2B4E11 works well for buttons and highlights, but use white text on #2B4E11 — black text only reaches 2.20:1, below the 4.5:1 needed for normal-size labels.

Is #2B4E11 the same as CSS darkgreen?

No — #2B4E11 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#2B4E11 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2B4E11

Not just a swatch — here's how #2B4E11 works with other colors. Named schemes with #2B4E11 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2B4E11 Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

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 #2B4E11 Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

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 #2B4E11 Anchor #392B1E Surface #EDE4D0 Accent #899A6C 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 #2B4E11 Surface #F1E8D6 Anchor #61202A Accent #E6C3BB 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 #2B4E11 Secondary #626F5B Support #999286 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.

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Color Lab

How #2B4E11 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 53/100

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 100/100

Very high

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

Vintage feel 59/100

Moderate

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 67/100

High

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

Brand distinctiveness 26/100

Low

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

UI accent fit 64/100

High

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2B4E11

For UI

For branding

For interior

For fashion

People also use #2B4E11 with

Olive Green Castleton Green Russian Violet Platinum Army 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 #D3E9C3 for cards and hover fills. Tint 80

Avoid beside #184F11 — 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 #2B4E11 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: #2B4E11;
  --color-base-rgb: 43 78 17;
  --color-base-oklch: oklch(38.3% 0.097 134.8);
  --color-50: #F7FDF2;
  --color-100: #E9F8DD;
  --color-200: #D3F0BC;
  --color-300: #B2E18E;
  --color-400: #92CE64;
  --color-500: #73B342;
  --color-600: #5C8939;
  --color-700: #44612E;
  --color-800: #2E4021;
  --color-900: #1D2716;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F7FDF2',
    100: '#E9F8DD',
    200: '#D3F0BC',
    300: '#B2E18E',
    400: '#92CE64',
    500: '#73B342',
    600: '#5C8939',
    700: '#44612E',
    800: '#2E4021',
    900: '#1D2716',
  },
}

$base: #2B4E11;
$base-ink: #FFFFFF;
$base-50: #F7FDF2;
$base-100: #E9F8DD;
$base-200: #D3F0BC;
$base-300: #B2E18E;
$base-400: #92CE64;
$base-500: #73B342;
$base-600: #5C8939;
$base-700: #44612E;
$base-800: #2E4021;
$base-900: #1D2716;
$base-hover: #23400E;
$base-subtle: #BDDFA3;

{
    "color": {
        "base": {
            "value": "#2B4E11",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7FDF2",
                "type": "color"
            },
            "100": {
                "value": "#E9F8DD",
                "type": "color"
            },
            "200": {
                "value": "#D3F0BC",
                "type": "color"
            },
            "300": {
                "value": "#B2E18E",
                "type": "color"
            },
            "400": {
                "value": "#92CE64",
                "type": "color"
            },
            "500": {
                "value": "#73B342",
                "type": "color"
            },
            "600": {
                "value": "#5C8939",
                "type": "color"
            },
            "700": {
                "value": "#44612E",
                "type": "color"
            },
            "800": {
                "value": "#2E4021",
                "type": "color"
            },
            "900": {
                "value": "#1D2716",
                "type": "color"
            }
        }
    }
}

Palettes built on #2B4E11

Color Lab

Pairs with #2B4E11

UI roles & guardrails

In real applications

Scales

Every model

Export