What color is #055E2E?

#055E2E is a dark, vivid teal-green. In RGB it is rgb(5, 94, 46), and in HSL hsl(148, 90%, 19%).

Is #055E2E accessible as text?

On white, #055E2E has a contrast ratio of 7.93:1 (passes WCAG AA for body text); on black it is 2.65:1 (fails). For text placed on #055E2E, use white for the best readability.

What is the closest Tailwind color to #055E2E?

The nearest Tailwind CSS token is green-800 (#016630).

What colors go well with #055E2E?

#055E2E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5C0533. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #055E2E below.

Is #055E2E good for buttons?

#055E2E works well for buttons and highlights, but use white text on #055E2E — black text only reaches 2.65:1, below the 4.5:1 needed for normal-size labels.

Is #055E2E the same as CSS darkgreen?

No — #055E2E is not the CSS named color darkgreen, but darkgreen (#006400) is the closest CSS named color.

#055E2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #055E2E

Not just a swatch — here's how #055E2E works with other colors. Named schemes with #055E2E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #055E2E Secondary #4B6C3C 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 #055E2E Accent #A8C4BA 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.

Vintage Leather Lead · 5 colors

Lead #055E2E Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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.

Berry & Cream Lead · 5 colors

Lead #055E2E Surface #F0E8D6 Anchor #612028 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 #055E2E Secondary #657C6A 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 #055E2E 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 43/100

Neutral

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

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 58/100

Moderate

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 55/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 64/100

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 79/100

High

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

Surface fit 24/100

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 #055E2E

For UI

For branding

For interior

For fashion

People also use #055E2E with

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 7.9:1. Use

Subtle surface Use #BBF0D4 for cards and hover fills. Tint 80

Avoid beside #055C4B — 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 #055E2E at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #055E2E;
  --color-base-rgb: 5 94 46;
  --color-base-oklch: oklch(42.3% 0.109 152.0);
  --color-50: #F0FEF7;
  --color-100: #D8FDE9;
  --color-200: #B2FBD4;
  --color-300: #7EF2B4;
  --color-400: #4FE394;
  --color-500: #2BCA75;
  --color-600: #29995D;
  --color-700: #236C45;
  --color-800: #1B462F;
  --color-900: #122B1E;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  castleton-green: {
    50: '#F0FEF7',
    100: '#D8FDE9',
    200: '#B2FBD4',
    300: '#7EF2B4',
    400: '#4FE394',
    500: '#2BCA75',
    600: '#29995D',
    700: '#236C45',
    800: '#1B462F',
    900: '#122B1E',
  },
}

$base: #055E2E;
$base-ink: #FFFFFF;
$base-50: #F0FEF7;
$base-100: #D8FDE9;
$base-200: #B2FBD4;
$base-300: #7EF2B4;
$base-400: #4FE394;
$base-500: #2BCA75;
$base-600: #29995D;
$base-700: #236C45;
$base-800: #1B462F;
$base-900: #122B1E;
$base-hover: #044A24;
$base-subtle: #97EBBE;

{
    "color": {
        "base": {
            "value": "#055E2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF7",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE9",
                "type": "color"
            },
            "200": {
                "value": "#B2FBD4",
                "type": "color"
            },
            "300": {
                "value": "#7EF2B4",
                "type": "color"
            },
            "400": {
                "value": "#4FE394",
                "type": "color"
            },
            "500": {
                "value": "#2BCA75",
                "type": "color"
            },
            "600": {
                "value": "#29995D",
                "type": "color"
            },
            "700": {
                "value": "#236C45",
                "type": "color"
            },
            "800": {
                "value": "#1B462F",
                "type": "color"
            },
            "900": {
                "value": "#122B1E",
                "type": "color"
            }
        }
    }
}

Palettes built on #055E2E

Color Lab

Pairs with #055E2E

UI roles & guardrails

In real applications

Scales

Every model

Export