What color is #21A02A?

#21A02A is a dark green. In RGB it is rgb(33, 160, 42), and in HSL hsl(124, 66%, 38%).

Is #21A02A accessible as text?

On white, #21A02A has a contrast ratio of 3.43:1 (fails WCAG AA for body text); on black it is 6.13:1 (passes). For text placed on #21A02A, use black for the best readability.

What is the closest Tailwind color to #21A02A?

The nearest Tailwind CSS token is green-600 (#00A63E).

What colors go well with #21A02A?

#21A02A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A12198. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #21A02A below.

Is #21A02A good for buttons?

#21A02A works well for buttons and highlights, but use black text on #21A02A — white text only reaches 3.43:1, below the 4.5:1 needed for normal-size labels.

Is #21A02A the same as CSS forestgreen?

No — #21A02A is not the CSS named color forestgreen, but forestgreen (#228B22) is the closest CSS named color.

#21A02A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21A02A

Not just a swatch — here's how #21A02A works with other colors. Named schemes with #21A02A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #21A02A Secondary #4C6B3B Accent #AD6B00 Surface #EEEAD6 Anchor #3C2F20

Shamrock Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #21A02A Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #5FC45F

Shamrock Green is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Shamrock Green.

Berry & Cream Lead · 5 colors

Lead #21A02A Surface #F0E8D6 Anchor #612029 Accent #E5C3BA Secondary #342B2C

Shamrock 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 #21A02A Secondary #98BB96 Support #989286 Ink #17140F

Shamrock 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 Shamrock Green carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #21A02A Secondary #E1762F Accent #D9A624 Anchor #603949 Surface #F1EAD6

Shamrock Green glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #21A02A 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 40/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 41/100

Moderate

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

Naturalness 48/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 73/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 80/100

Very high

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

Surface fit 19/100

Very low

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

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #21A02A

For UI

For branding

For interior

For fashion

People also use #21A02A with

Apple Green Jade Green Mauveine Platinum Hunter Green

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.4:1. Use

Subtle surface Use #D0EED2 for cards and hover fills. Tint 80

Avoid beside #21A154 — 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 #21A02A at work across the surfaces designers actually ship.

Website / UI

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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: #21A02A;
  --color-base-rgb: 33 160 42;
  --color-base-oklch: oklch(61.7% 0.188 143.6);
  --color-50: #F2FDF3;
  --color-100: #DCF9DE;
  --color-200: #BBF1BF;
  --color-300: #8DE293;
  --color-400: #62D06A;
  --color-500: #40B548;
  --color-600: #388A3D;
  --color-700: #2D6230;
  --color-800: #214023;
  --color-900: #162817;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock-green: {
    50: '#F2FDF3',
    100: '#DCF9DE',
    200: '#BBF1BF',
    300: '#8DE293',
    400: '#62D06A',
    500: '#40B548',
    600: '#388A3D',
    700: '#2D6230',
    800: '#214023',
    900: '#162817',
  },
}

$base: #21A02A;
$base-ink: #141310;
$base-50: #F2FDF3;
$base-100: #DCF9DE;
$base-200: #BBF1BF;
$base-300: #8DE293;
$base-400: #62D06A;
$base-500: #40B548;
$base-600: #388A3D;
$base-700: #2D6230;
$base-800: #214023;
$base-900: #162817;
$base-hover: #1A8121;
$base-subtle: #B8E7BB;

{
    "color": {
        "base": {
            "value": "#21A02A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF3",
                "type": "color"
            },
            "100": {
                "value": "#DCF9DE",
                "type": "color"
            },
            "200": {
                "value": "#BBF1BF",
                "type": "color"
            },
            "300": {
                "value": "#8DE293",
                "type": "color"
            },
            "400": {
                "value": "#62D06A",
                "type": "color"
            },
            "500": {
                "value": "#40B548",
                "type": "color"
            },
            "600": {
                "value": "#388A3D",
                "type": "color"
            },
            "700": {
                "value": "#2D6230",
                "type": "color"
            },
            "800": {
                "value": "#214023",
                "type": "color"
            },
            "900": {
                "value": "#162817",
                "type": "color"
            }
        }
    }
}

Palettes built on #21A02A

Color Lab

Pairs with #21A02A

UI roles & guardrails

In real applications

Scales

Every model

Export