What color is #034F0C?

#034F0C is a very dark, vivid green. In RGB it is rgb(3, 79, 12), and in HSL hsl(127, 93%, 16%).

Is #034F0C accessible as text?

On white, #034F0C has a contrast ratio of 9.87:1 (passes WCAG AA for body text); on black it is 2.13:1 (fails). For text placed on #034F0C, use white for the best readability.

What is the closest Tailwind color to #034F0C?

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

What colors go well with #034F0C?

#034F0C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F0346. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034F0C below.

Is #034F0C good for buttons?

#034F0C works well for buttons and highlights, but use white text on #034F0C — black text only reaches 2.13:1, below the 4.5:1 needed for normal-size labels.

Is #034F0C the same as CSS darkgreen?

No — #034F0C is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#034F0C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034F0C

Not just a swatch — here's how #034F0C works with other colors. Named schemes with #034F0C in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #034F0C Anchor #141210 Accent #C0A64B Secondary #232C23 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 #034F0C Secondary #4C6B3B Accent #AD6B00 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.

Moody Editorial Color · 5 colors

Color #034F0C Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002D15

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 #034F0C 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #034F0C Secondary #596D58 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.

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Color Lab

How #034F0C 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 48/100

Neutral

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

Softness 31/100

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 48/100

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 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 64/100

High

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

Surface fit 25/100

Low

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

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #034F0C

For UI

For branding

For interior

For fashion

People also use #034F0C with

Green Brunswick Green Deep 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 9.9:1. Use

Subtle surface Use #B7F1BE for cards and hover fills. Tint 80

Avoid beside #034F25 — 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 #034F0C at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #034F0C;
  --color-base-rgb: 3 79 12;
  --color-base-oklch: oklch(37.2% 0.119 143.9);
  --color-50: #F0FEF2;
  --color-100: #D8FDDC;
  --color-200: #B1FCB9;
  --color-300: #7CF48A;
  --color-400: #4CE65E;
  --color-500: #29CC3C;
  --color-600: #279B35;
  --color-700: #226D2B;
  --color-800: #1A471F;
  --color-900: #122B15;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F0FEF2',
    100: '#D8FDDC',
    200: '#B1FCB9',
    300: '#7CF48A',
    400: '#4CE65E',
    500: '#29CC3C',
    600: '#279B35',
    700: '#226D2B',
    800: '#1A471F',
    900: '#122B15',
  },
}

$base: #034F0C;
$base-ink: #FFFFFF;
$base-50: #F0FEF2;
$base-100: #D8FDDC;
$base-200: #B1FCB9;
$base-300: #7CF48A;
$base-400: #4CE65E;
$base-500: #29CC3C;
$base-600: #279B35;
$base-700: #226D2B;
$base-800: #1A471F;
$base-900: #122B15;
$base-hover: #023F09;
$base-subtle: #91EC9C;

{
    "color": {
        "base": {
            "value": "#034F0C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF2",
                "type": "color"
            },
            "100": {
                "value": "#D8FDDC",
                "type": "color"
            },
            "200": {
                "value": "#B1FCB9",
                "type": "color"
            },
            "300": {
                "value": "#7CF48A",
                "type": "color"
            },
            "400": {
                "value": "#4CE65E",
                "type": "color"
            },
            "500": {
                "value": "#29CC3C",
                "type": "color"
            },
            "600": {
                "value": "#279B35",
                "type": "color"
            },
            "700": {
                "value": "#226D2B",
                "type": "color"
            },
            "800": {
                "value": "#1A471F",
                "type": "color"
            },
            "900": {
                "value": "#122B15",
                "type": "color"
            }
        }
    }
}

Palettes built on #034F0C

Color Lab

Pairs with #034F0C

UI roles & guardrails

In real applications

Scales

Every model

Export