What color is #034E16?

#034E16 is a very dark, vivid green. In RGB it is rgb(3, 78, 22), and in HSL hsl(135, 93%, 16%).

Is #034E16 accessible as text?

On white, #034E16 has a contrast ratio of 9.98:1 (passes WCAG AA for body text); on black it is 2.11:1 (fails). For text placed on #034E16, use white for the best readability.

What is the closest Tailwind color to #034E16?

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

What colors go well with #034E16?

#034E16 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4F033C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #034E16 below.

Is #034E16 good for buttons?

#034E16 works well for buttons and highlights, but use white text on #034E16 — black text only reaches 2.11:1, below the 4.5:1 needed for normal-size labels.

Is #034E16 the same as CSS darkgreen?

No — #034E16 is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#034E16 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #034E16

Not just a swatch — here's how #034E16 works with other colors. Named schemes with #034E16 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #034E16 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 #034E16 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.

Moody Editorial Color · 5 colors

Color #034E16 Anchor #292A2E Secondary #6C6F74 Surface #EBE6DA Accent #002C17

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 #034E16 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 #034E16 Secondary #586C59 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 #034E16 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 46/100

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 43/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 62/100

High

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

Surface fit 27/100

Low

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

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #034E16

For UI

For branding

For interior

For fashion

People also use #034E16 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 10.0:1. Use

Subtle surface Use #B7F1C6 for cards and hover fills. Tint 80

Avoid beside #034F2F — 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 #034E16 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: #034E16;
  --color-base-rgb: 3 78 22;
  --color-base-oklch: oklch(37.0% 0.110 146.1);
  --color-50: #F0FEF4;
  --color-100: #D8FDE1;
  --color-200: #B1FCC3;
  --color-300: #7CF49A;
  --color-400: #4CE673;
  --color-500: #29CC51;
  --color-600: #279B44;
  --color-700: #226D35;
  --color-800: #1A4725;
  --color-900: #122B18;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F0FEF4',
    100: '#D8FDE1',
    200: '#B1FCC3',
    300: '#7CF49A',
    400: '#4CE673',
    500: '#29CC51',
    600: '#279B44',
    700: '#226D35',
    800: '#1A4725',
    900: '#122B18',
  },
}

$base: #034E16;
$base-ink: #FFFFFF;
$base-50: #F0FEF4;
$base-100: #D8FDE1;
$base-200: #B1FCC3;
$base-300: #7CF49A;
$base-400: #4CE673;
$base-500: #29CC51;
$base-600: #279B44;
$base-700: #226D35;
$base-800: #1A4725;
$base-900: #122B18;
$base-hover: #023F11;
$base-subtle: #91ECA8;

{
    "color": {
        "base": {
            "value": "#034E16",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF4",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE1",
                "type": "color"
            },
            "200": {
                "value": "#B1FCC3",
                "type": "color"
            },
            "300": {
                "value": "#7CF49A",
                "type": "color"
            },
            "400": {
                "value": "#4CE673",
                "type": "color"
            },
            "500": {
                "value": "#29CC51",
                "type": "color"
            },
            "600": {
                "value": "#279B44",
                "type": "color"
            },
            "700": {
                "value": "#226D35",
                "type": "color"
            },
            "800": {
                "value": "#1A4725",
                "type": "color"
            },
            "900": {
                "value": "#122B18",
                "type": "color"
            }
        }
    }
}

Palettes built on #034E16

Color Lab

Pairs with #034E16

UI roles & guardrails

In real applications

Scales

Every model

Export