What color is #21990B?

#21990B is a dark, vivid green. In RGB it is rgb(33, 153, 11), and in HSL hsl(111, 87%, 32%).

Is #21990B accessible as text?

On white, #21990B has a contrast ratio of 3.73:1 (fails WCAG AA for body text); on black it is 5.63:1 (passes). For text placed on #21990B, use black for the best readability.

What is the closest Tailwind color to #21990B?

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

What colors go well with #21990B?

#21990B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #830B99. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #21990B below.

Is #21990B good for buttons?

#21990B works well for buttons and highlights, but use black text on #21990B — white text only reaches 3.73:1, below the 4.5:1 needed for normal-size labels.

Is #21990B the same as CSS forestgreen?

No — #21990B is not the CSS named color forestgreen, but forestgreen (#228B22) is the closest CSS named color.

#21990B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21990B

Not just a swatch — here's how #21990B works with other colors. Named schemes with #21990B in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #21990B Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #5CBD4F

Forest 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 Forest Green.

Berry & Cream Lead · 5 colors

Lead #21990B Surface #F0E8D6 Anchor #61202A Accent #E6C3BA Secondary #342B2C

Forest Green sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Botanical Studio Lead · 5 colors

Lead #21990B Secondary #4D6B3B Accent #AE6B00 Surface #EEEAD6 Anchor #3C2F21

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #21990B Secondary #92B58D Support #989286 Ink #17140F

Forest 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 Forest Green carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #21990B Secondary #E27630 Accent #DAA624 Anchor #603949 Surface #F1EAD6

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

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Color Lab

How #21990B 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 49/100

Neutral

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

Softness 38/100

Low

Middle-weight — neither delicate nor heavy.

Depth 43/100

Moderate

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

Naturalness 43/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 43/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 75/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 83/100

Very high

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

Surface fit 17/100

Very low

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

Print safety 57/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #21990B

For UI

For branding

For interior

For fashion

People also use #21990B with

Peridot Shamrock Green Purple 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 5.0:1. Use

Subtle surface Use #CDF2C7 for cards and hover fills. Tint 80

Avoid beside #0B9925 — 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 #21990B 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: #21990B;
  --color-base-rgb: 33 153 11;
  --color-base-oklch: oklch(59.6% 0.194 141.5);
  --color-50: #F2FEF0;
  --color-100: #DDFDD8;
  --color-200: #BDFAB3;
  --color-300: #90F07F;
  --color-400: #67E151;
  --color-500: #45C72E;
  --color-600: #3B972B;
  --color-700: #2F6B24;
  --color-800: #22451C;
  --color-900: #162A13;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  forest-green: {
    50: '#F2FEF0',
    100: '#DDFDD8',
    200: '#BDFAB3',
    300: '#90F07F',
    400: '#67E151',
    500: '#45C72E',
    600: '#3B972B',
    700: '#2F6B24',
    800: '#22451C',
    900: '#162A13',
  },
}

$base: #21990B;
$base-ink: #141310;
$base-50: #F2FEF0;
$base-100: #DDFDD8;
$base-200: #BDFAB3;
$base-300: #90F07F;
$base-400: #67E151;
$base-500: #45C72E;
$base-600: #3B972B;
$base-700: #2F6B24;
$base-800: #22451C;
$base-900: #162A13;
$base-hover: #1A7A08;
$base-subtle: #B3EDA9;

{
    "color": {
        "base": {
            "value": "#21990B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FEF0",
                "type": "color"
            },
            "100": {
                "value": "#DDFDD8",
                "type": "color"
            },
            "200": {
                "value": "#BDFAB3",
                "type": "color"
            },
            "300": {
                "value": "#90F07F",
                "type": "color"
            },
            "400": {
                "value": "#67E151",
                "type": "color"
            },
            "500": {
                "value": "#45C72E",
                "type": "color"
            },
            "600": {
                "value": "#3B972B",
                "type": "color"
            },
            "700": {
                "value": "#2F6B24",
                "type": "color"
            },
            "800": {
                "value": "#22451C",
                "type": "color"
            },
            "900": {
                "value": "#162A13",
                "type": "color"
            }
        }
    }
}

Palettes built on #21990B

Color Lab

Pairs with #21990B

UI roles & guardrails

In real applications

Scales

Every model

Export