What color is #39D666?

#39D666 is a medium green. In RGB it is rgb(57, 214, 102), and in HSL hsl(137, 66%, 53%).

Is #39D666 accessible as text?

On white, #39D666 has a contrast ratio of 1.91:1 (fails WCAG AA for body text); on black it is 10.98:1 (passes). For text placed on #39D666, use black for the best readability.

What is the closest Tailwind color to #39D666?

The nearest Tailwind CSS token is green-400 (#05DF72).

What colors go well with #39D666?

#39D666 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D638A9. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #39D666 below.

Is #39D666 good for buttons?

#39D666 works well for buttons and highlights, but use black text on #39D666 — white text only reaches 1.91:1, below the 4.5:1 needed for normal-size labels.

Is #39D666 the same as CSS limegreen?

No — #39D666 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#39D666 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #39D666

Not just a swatch — here's how #39D666 works with other colors. Named schemes with #39D666 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #39D666 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

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

Tech Product Signal · 5 colors

Signal #39D666 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #7BFB96

Shamrock is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Shamrock.

Botanical Studio Lead · 5 colors

Lead #39D666 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Shamrock 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 #39D666 Secondary #C3F0C8 Support #989286 Ink #17140F

Shamrock 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 Shamrock carrying the quiet middle.

Japanese Sand Base · 5 colors

Base #39D666 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Shamrock sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Build a working theme in the generator →

Color Lab

How #39D666 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 43/100

Neutral

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

Softness 47/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 24/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 34/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 20/100

Low

Clean and current — no dusty, aged cast.

Luxury 27/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 77/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 33/100

Low

Usable as a tinted surface in measured doses.

Print safety 56/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #39D666

For UI

For branding

For interior

For fashion

People also use #39D666 with

Yellow Green Medium Turquoise Byzantine 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 9.7:1. Use

Subtle surface Use #DCF2E2 for cards and hover fills. Tint 80

Avoid beside #38D69A — 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 #39D666 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: #39D666;
  --color-base-rgb: 57 214 102;
  --color-base-oklch: oklch(77.2% 0.200 148.4);
  --color-50: #F2FDF5;
  --color-100: #DCF9E4;
  --color-200: #BBF1CB;
  --color-300: #8DE2A5;
  --color-400: #62D081;
  --color-500: #40B561;
  --color-600: #388A4F;
  --color-700: #2D623C;
  --color-800: #21402A;
  --color-900: #16281B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock: {
    50: '#F2FDF5',
    100: '#DCF9E4',
    200: '#BBF1CB',
    300: '#8DE2A5',
    400: '#62D081',
    500: '#40B561',
    600: '#388A4F',
    700: '#2D623C',
    800: '#21402A',
    900: '#16281B',
  },
}

$base: #39D666;
$base-ink: #141310;
$base-50: #F2FDF5;
$base-100: #DCF9E4;
$base-200: #BBF1CB;
$base-300: #8DE2A5;
$base-400: #62D081;
$base-500: #40B561;
$base-600: #388A4F;
$base-700: #2D623C;
$base-800: #21402A;
$base-900: #16281B;
$base-hover: #25B34D;
$base-subtle: #C9EDD3;

{
    "color": {
        "base": {
            "value": "#39D666",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF5",
                "type": "color"
            },
            "100": {
                "value": "#DCF9E4",
                "type": "color"
            },
            "200": {
                "value": "#BBF1CB",
                "type": "color"
            },
            "300": {
                "value": "#8DE2A5",
                "type": "color"
            },
            "400": {
                "value": "#62D081",
                "type": "color"
            },
            "500": {
                "value": "#40B561",
                "type": "color"
            },
            "600": {
                "value": "#388A4F",
                "type": "color"
            },
            "700": {
                "value": "#2D623C",
                "type": "color"
            },
            "800": {
                "value": "#21402A",
                "type": "color"
            },
            "900": {
                "value": "#16281B",
                "type": "color"
            }
        }
    }
}