What color is #3FD665?

#3FD665 is a medium green. In RGB it is rgb(63, 214, 101), and in HSL hsl(135, 65%, 54%).

Is #3FD665 accessible as text?

On white, #3FD665 has a contrast ratio of 1.91:1 (fails WCAG AA for body text); on black it is 11.02:1 (passes). For text placed on #3FD665, use black for the best readability.

What is the closest Tailwind color to #3FD665?

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

What colors go well with #3FD665?

#3FD665 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D63DB0. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FD665 below.

Is #3FD665 good for buttons?

#3FD665 works well for buttons and highlights, but use black text on #3FD665 — white text only reaches 1.91:1, below the 4.5:1 needed for normal-size labels.

Is #3FD665 the same as CSS limegreen?

No — #3FD665 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#3FD665 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FD665

Not just a swatch — here's how #3FD665 works with other colors. Named schemes with #3FD665 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #3FD665 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 #3FD665 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #7FFC95

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 #3FD665 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 #3FD665 Secondary #C4F0C8 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 #3FD665 Surface #EEE9DC 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 #3FD665 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 35/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 21/100

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 #3FD665

For UI

For branding

For interior

For fashion

People also use #3FD665 with

Yellow Green Medium Aquamarine 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 #DDF3E2 for cards and hover fills. Tint 80

Avoid beside #3DD696 — 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 #3FD665 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: #3FD665;
  --color-base-rgb: 63 214 101;
  --color-base-oklch: oklch(77.3% 0.199 147.8);
  --color-50: #F2FDF5;
  --color-100: #DDF9E4;
  --color-200: #BCF1C9;
  --color-300: #8EE2A3;
  --color-400: #63CF7E;
  --color-500: #41B45E;
  --color-600: #38894D;
  --color-700: #2D623A;
  --color-800: #214029;
  --color-900: #16271A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  shamrock: {
    50: '#F2FDF5',
    100: '#DDF9E4',
    200: '#BCF1C9',
    300: '#8EE2A3',
    400: '#63CF7E',
    500: '#41B45E',
    600: '#38894D',
    700: '#2D623A',
    800: '#214029',
    900: '#16271A',
  },
}

$base: #3FD665;
$base-ink: #141310;
$base-50: #F2FDF5;
$base-100: #DDF9E4;
$base-200: #BCF1C9;
$base-300: #8EE2A3;
$base-400: #63CF7E;
$base-500: #41B45E;
$base-600: #38894D;
$base-700: #2D623A;
$base-800: #214029;
$base-900: #16271A;
$base-hover: #27B64A;
$base-subtle: #CAEDD3;

{
    "color": {
        "base": {
            "value": "#3FD665",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FDF5",
                "type": "color"
            },
            "100": {
                "value": "#DDF9E4",
                "type": "color"
            },
            "200": {
                "value": "#BCF1C9",
                "type": "color"
            },
            "300": {
                "value": "#8EE2A3",
                "type": "color"
            },
            "400": {
                "value": "#63CF7E",
                "type": "color"
            },
            "500": {
                "value": "#41B45E",
                "type": "color"
            },
            "600": {
                "value": "#38894D",
                "type": "color"
            },
            "700": {
                "value": "#2D623A",
                "type": "color"
            },
            "800": {
                "value": "#214029",
                "type": "color"
            },
            "900": {
                "value": "#16271A",
                "type": "color"
            }
        }
    }
}