What color is #3FDC8B?

#3FDC8B is a medium teal-green. In RGB it is rgb(63, 220, 139), and in HSL hsl(149, 69%, 55%).

Is #3FDC8B accessible as text?

On white, #3FDC8B has a contrast ratio of 1.78:1 (fails WCAG AA for body text); on black it is 11.82:1 (passes). For text placed on #3FDC8B, use black for the best readability.

What is the closest Tailwind color to #3FDC8B?

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

What colors go well with #3FDC8B?

#3FDC8B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #DB3D8F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FDC8B below.

Is #3FDC8B good for buttons?

#3FDC8B works well for buttons and highlights, but use black text on #3FDC8B — white text only reaches 1.78:1, below the 4.5:1 needed for normal-size labels.

Is #3FDC8B the same as CSS mediumaquamarine?

No — #3FDC8B is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#3FDC8B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FDC8B

Not just a swatch — here's how #3FDC8B works with other colors. Named schemes with #3FDC8B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3FDC8B Secondary #4A6C3D Accent #AC6C00 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 #3FDC8B 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 #3FDC8B 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 #3FDC8B Secondary #AC6C00 Accent #677C4D 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 #3FDC8B Secondary #CAF6D9 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 #3FDC8B 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 36/100

Cool

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 22/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 53/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 26/100

Low

A faint retro warmth without tipping into sepia.

Luxury 26/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 67/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 64/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3FDC8B

For UI

For branding

For interior

For fashion

People also use #3FDC8B with

Malachite Medium Turquoise Mulberry Platinum Hunter Green

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 10.5:1. Use

Subtle surface Use #DDF3E8 for cards and hover fills. Tint 80

Avoid beside #3DDBBE — 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 #3FDC8B at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #3FDC8B;
  --color-base-rgb: 63 220 139;
  --color-base-oklch: oklch(79.5% 0.173 155.8);
  --color-50: #F2FDF7;
  --color-100: #DCF9EA;
  --color-200: #BAF2D5;
  --color-300: #8BE4B6;
  --color-400: #60D297;
  --color-500: #3EB778;
  --color-600: #368C5F;
  --color-700: #2C6346;
  --color-800: #204130;
  --color-900: #15281E;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  emerald-green: {
    50: '#F2FDF7',
    100: '#DCF9EA',
    200: '#BAF2D5',
    300: '#8BE4B6',
    400: '#60D297',
    500: '#3EB778',
    600: '#368C5F',
    700: '#2C6346',
    800: '#204130',
    900: '#15281E',
  },
}

$base: #3FDC8B;
$base-ink: #141310;
$base-50: #F2FDF7;
$base-100: #DCF9EA;
$base-200: #BAF2D5;
$base-300: #8BE4B6;
$base-400: #60D297;
$base-500: #3EB778;
$base-600: #368C5F;
$base-700: #2C6346;
$base-800: #204130;
$base-900: #15281E;
$base-hover: #23BE6E;
$base-subtle: #CBEFDC;

{
    "color": {
        "base": {
            "value": "#3FDC8B",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF7",
                "type": "color"
            },
            "100": {
                "value": "#DCF9EA",
                "type": "color"
            },
            "200": {
                "value": "#BAF2D5",
                "type": "color"
            },
            "300": {
                "value": "#8BE4B6",
                "type": "color"
            },
            "400": {
                "value": "#60D297",
                "type": "color"
            },
            "500": {
                "value": "#3EB778",
                "type": "color"
            },
            "600": {
                "value": "#368C5F",
                "type": "color"
            },
            "700": {
                "value": "#2C6346",
                "type": "color"
            },
            "800": {
                "value": "#204130",
                "type": "color"
            },
            "900": {
                "value": "#15281E",
                "type": "color"
            }
        }
    }
}