What color is #3EB666?

#3EB666 is a medium green. In RGB it is rgb(62, 182, 102), and in HSL hsl(140, 49%, 48%).

Is #3EB666 accessible as text?

On white, #3EB666 has a contrast ratio of 2.60:1 (fails WCAG AA for body text); on black it is 8.09:1 (passes). For text placed on #3EB666, use black for the best readability.

What is the closest Tailwind color to #3EB666?

The nearest Tailwind CSS token is emerald-500 (#00BC7D).

What colors go well with #3EB666?

#3EB666 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B63E8E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3EB666 below.

Is #3EB666 good for buttons?

#3EB666 works well for buttons and highlights, but use black text on #3EB666 — white text only reaches 2.60:1, below the 4.5:1 needed for normal-size labels.

Is #3EB666 the same as CSS mediumseagreen?

No — #3EB666 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#3EB666 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3EB666

Not just a swatch — here's how #3EB666 works with other colors. Named schemes with #3EB666 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3EB666 Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Medium Sea 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 #3EB666 Accent #A8C4BA Surface #E1D9BE Secondary #9AA0A0 Anchor #1A3648

Medium Sea 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 #3EB666 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Medium Sea 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 #3EB666 Secondary #AD6C00 Accent #677C4D Surface #F1EDDD Anchor #392B1E

This palette keeps Medium Sea 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 #3EB666 Secondary #AED2B5 Support #989286 Ink #17140F

Medium Sea 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 Medium Sea Green carrying the quiet middle.

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Color Lab

How #3EB666 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 41/100

Neutral

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

Softness 49/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 32/100

Low

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

Naturalness 75/100

High

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

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 37/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 61/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 63/100

High

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

Surface fit 26/100

Low

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

Print safety 66/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #3EB666

For UI

For branding

For interior

For fashion

People also use #3EB666 with

Mantis Verdigris Fandango 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 7.2:1. Use

Subtle surface Use #DBEEE1 for cards and hover fills. Tint 80

Avoid beside #3EB68E — 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 #3EB666 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: #3EB666;
  --color-base-rgb: 62 182 102;
  --color-base-oklch: oklch(69.0% 0.158 150.8);
  --color-50: #F3FBF6;
  --color-100: #E0F5E7;
  --color-200: #C2EAD0;
  --color-300: #98D7AD;
  --color-400: #70C28B;
  --color-500: #4FA66C;
  --color-600: #427F57;
  --color-700: #345B41;
  --color-800: #253C2D;
  --color-900: #18251C;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-sea-green: {
    50: '#F3FBF6',
    100: '#E0F5E7',
    200: '#C2EAD0',
    300: '#98D7AD',
    400: '#70C28B',
    500: '#4FA66C',
    600: '#427F57',
    700: '#345B41',
    800: '#253C2D',
    900: '#18251C',
  },
}

$base: #3EB666;
$base-ink: #141310;
$base-50: #F3FBF6;
$base-100: #E0F5E7;
$base-200: #C2EAD0;
$base-300: #98D7AD;
$base-400: #70C28B;
$base-500: #4FA66C;
$base-600: #427F57;
$base-700: #345B41;
$base-800: #253C2D;
$base-900: #18251C;
$base-hover: #329252;
$base-subtle: #C8E6D2;

{
    "color": {
        "base": {
            "value": "#3EB666",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF6",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E7",
                "type": "color"
            },
            "200": {
                "value": "#C2EAD0",
                "type": "color"
            },
            "300": {
                "value": "#98D7AD",
                "type": "color"
            },
            "400": {
                "value": "#70C28B",
                "type": "color"
            },
            "500": {
                "value": "#4FA66C",
                "type": "color"
            },
            "600": {
                "value": "#427F57",
                "type": "color"
            },
            "700": {
                "value": "#345B41",
                "type": "color"
            },
            "800": {
                "value": "#253C2D",
                "type": "color"
            },
            "900": {
                "value": "#18251C",
                "type": "color"
            }
        }
    }
}

Palettes built on #3EB666

Color Lab

Pairs with #3EB666

UI roles & guardrails

In real applications

Scales

Every model

Export