What color is #21CD89?

#21CD89 is a medium, vivid teal-green. In RGB it is rgb(33, 205, 137), and in HSL hsl(156, 72%, 47%).

Is #21CD89 accessible as text?

On white, #21CD89 has a contrast ratio of 2.07:1 (fails WCAG AA for body text); on black it is 10.16:1 (passes). For text placed on #21CD89, use black for the best readability.

What is the closest Tailwind color to #21CD89?

The nearest Tailwind CSS token is emerald-400 (#00D492).

What colors go well with #21CD89?

#21CD89 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CE2267. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #21CD89 below.

Is #21CD89 good for buttons?

#21CD89 works well for buttons and highlights, but use black text on #21CD89 — white text only reaches 2.07:1, below the 4.5:1 needed for normal-size labels.

Is #21CD89 the same as CSS mediumaquamarine?

No — #21CD89 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#21CD89 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #21CD89

Not just a swatch — here's how #21CD89 works with other colors. Named schemes with #21CD89 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #21CD89 Secondary #4A6C3D Accent #AC6D00 Surface #EEEAD6 Anchor #3C2F20

Emerald 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 #21CD89 Accent #A8C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Emerald Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #21CD89 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Emerald Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Warm Autumn Interior Dominant · 5 colors

Dominant #21CD89 Secondary #AC6D00 Accent #667C4E Surface #F1EDDD Anchor #392B1E

This palette keeps Emerald Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #21CD89 Secondary #BBE7CE Support #989286 Ink #17140F

Emerald 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 Emerald Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #21CD89 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 33/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 26/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 56/100

Moderate

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 31/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 63/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #21CD89

For UI

For branding

For interior

For fashion

People also use #21CD89 with

Malachite Picton Blue Ruby Red Platinum Dark Slate Gray

UI roles & guardrails

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

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

Large display Only on dark surfaces. Avoid

Background Pair with #141310 text at 9.0:1. Use

Subtle surface Use #D6F2E7 for cards and hover fills. Tint 80

Avoid beside #22CEC3 — 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 #21CD89 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: #21CD89;
  --color-base-rgb: 33 205 137;
  --color-base-oklch: oklch(75.1% 0.164 159.8);
  --color-50: #F1FDF9;
  --color-100: #DBFAEE;
  --color-200: #B9F3DC;
  --color-300: #89E6C1;
  --color-400: #5DD5A5;
  --color-500: #3BBA87;
  --color-600: #348E6A;
  --color-700: #2A644D;
  --color-800: #1F4234;
  --color-900: #152821;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  emerald-green: {
    50: '#F1FDF9',
    100: '#DBFAEE',
    200: '#B9F3DC',
    300: '#89E6C1',
    400: '#5DD5A5',
    500: '#3BBA87',
    600: '#348E6A',
    700: '#2A644D',
    800: '#1F4234',
    900: '#152821',
  },
}

$base: #21CD89;
$base-ink: #141310;
$base-50: #F1FDF9;
$base-100: #DBFAEE;
$base-200: #B9F3DC;
$base-300: #89E6C1;
$base-400: #5DD5A5;
$base-500: #3BBA87;
$base-600: #348E6A;
$base-700: #2A644D;
$base-800: #1F4234;
$base-900: #152821;
$base-hover: #1BA56E;
$base-subtle: #C0EDDB;

{
    "color": {
        "base": {
            "value": "#21CD89",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FDF9",
                "type": "color"
            },
            "100": {
                "value": "#DBFAEE",
                "type": "color"
            },
            "200": {
                "value": "#B9F3DC",
                "type": "color"
            },
            "300": {
                "value": "#89E6C1",
                "type": "color"
            },
            "400": {
                "value": "#5DD5A5",
                "type": "color"
            },
            "500": {
                "value": "#3BBA87",
                "type": "color"
            },
            "600": {
                "value": "#348E6A",
                "type": "color"
            },
            "700": {
                "value": "#2A644D",
                "type": "color"
            },
            "800": {
                "value": "#1F4234",
                "type": "color"
            },
            "900": {
                "value": "#152821",
                "type": "color"
            }
        }
    }
}

Palettes built on #21CD89

Color Lab

Pairs with #21CD89

UI roles & guardrails

In real applications

Scales

Every model

Export