What color is #3FC99D?

#3FC99D is a medium teal-green. In RGB it is rgb(63, 201, 157), and in HSL hsl(161, 56%, 52%).

Is #3FC99D accessible as text?

On white, #3FC99D has a contrast ratio of 2.09:1 (fails WCAG AA for body text); on black it is 10.05:1 (passes). For text placed on #3FC99D, use black for the best readability.

What is the closest Tailwind color to #3FC99D?

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

What colors go well with #3FC99D?

#3FC99D pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C9406B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FC99D below.

Is #3FC99D good for buttons?

#3FC99D works well for buttons and highlights, but use black text on #3FC99D — white text only reaches 2.09:1, below the 4.5:1 needed for normal-size labels.

Is #3FC99D the same as CSS mediumaquamarine?

No — #3FC99D is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#3FC99D Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FC99D

Not just a swatch — here's how #3FC99D works with other colors. Named schemes with #3FC99D in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3FC99D Accent #A7C4BB Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Medium Aquamarine 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 #3FC99D Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Medium Aquamarine 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 #3FC99D Secondary #AB6D00 Accent #657D4E Surface #F1EDDD Anchor #392B1E

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

Botanical Studio Lead · 5 colors

Lead #3FC99D Secondary #486C3E Accent #AB6D00 Surface #EEEAD6 Anchor #3C2F20

Medium Aquamarine 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 #3FC99D Secondary #BEE6D5 Support #989286 Ink #16140F

Medium Aquamarine 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 Medium Aquamarine carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3FC99D 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 32/100

Cool

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

Softness 56/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 25/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 61/100

High

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

Vintage feel 37/100

Low

A faint retro warmth without tipping into sepia.

Luxury 32/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 52/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 43/100

Moderate

Workable accent with care around contrast.

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 74/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3FC99D

For UI

For branding

For interior

For fashion

People also use #3FC99D with

Emerald Green Carolina Blue Brick 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 8.9:1. Use

Subtle surface Use #DDF0EA for cards and hover fills. Tint 80

Avoid beside #40C7C9 — 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 #3FC99D 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: #3FC99D;
  --color-base-rgb: 63 201 157;
  --color-base-oklch: oklch(75.1% 0.134 167.5);
  --color-50: #F3FCF9;
  --color-100: #DFF7EF;
  --color-200: #BFEDDF;
  --color-300: #93DCC5;
  --color-400: #6BC7AA;
  --color-500: #49AC8C;
  --color-600: #3E846E;
  --color-700: #315E50;
  --color-800: #233E35;
  --color-900: #172621;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F3FCF9',
    100: '#DFF7EF',
    200: '#BFEDDF',
    300: '#93DCC5',
    400: '#6BC7AA',
    500: '#49AC8C',
    600: '#3E846E',
    700: '#315E50',
    800: '#233E35',
    900: '#172621',
  },
}

$base: #3FC99D;
$base-ink: #141310;
$base-50: #F3FCF9;
$base-100: #DFF7EF;
$base-200: #BFEDDF;
$base-300: #93DCC5;
$base-400: #6BC7AA;
$base-500: #49AC8C;
$base-600: #3E846E;
$base-700: #315E50;
$base-800: #233E35;
$base-900: #172621;
$base-hover: #2FA580;
$base-subtle: #CBEAE0;

{
    "color": {
        "base": {
            "value": "#3FC99D",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCF9",
                "type": "color"
            },
            "100": {
                "value": "#DFF7EF",
                "type": "color"
            },
            "200": {
                "value": "#BFEDDF",
                "type": "color"
            },
            "300": {
                "value": "#93DCC5",
                "type": "color"
            },
            "400": {
                "value": "#6BC7AA",
                "type": "color"
            },
            "500": {
                "value": "#49AC8C",
                "type": "color"
            },
            "600": {
                "value": "#3E846E",
                "type": "color"
            },
            "700": {
                "value": "#315E50",
                "type": "color"
            },
            "800": {
                "value": "#233E35",
                "type": "color"
            },
            "900": {
                "value": "#172621",
                "type": "color"
            }
        }
    }
}

Palettes built on #3FC99D

Color Lab

Pairs with #3FC99D

UI roles & guardrails

In real applications

Scales

Every model

Export