What color is #3FEF71?

#3FEF71 is a medium, vivid green. In RGB it is rgb(63, 239, 113), and in HSL hsl(137, 85%, 59%).

Is #3FEF71 accessible as text?

On white, #3FEF71 has a contrast ratio of 1.52:1 (fails WCAG AA for body text); on black it is 13.80:1 (passes). For text placed on #3FEF71, use black for the best readability.

What is the closest Tailwind color to #3FEF71?

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

What colors go well with #3FEF71?

#3FEF71 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EF3EBD. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FEF71 below.

Is #3FEF71 good for buttons?

#3FEF71 works well for buttons and highlights, but use black text on #3FEF71 — white text only reaches 1.52:1, below the 4.5:1 needed for normal-size labels.

Is #3FEF71 the same as CSS springgreen?

No — #3FEF71 is not the CSS named color springgreen, but springgreen (#00FF7F) is the closest CSS named color.

#3FEF71 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FEF71

Not just a swatch — here's how #3FEF71 works with other colors. Named schemes with #3FEF71 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #3FEF71 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Spring Green 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 #3FEF71 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #86FFA3

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

Botanical Studio Lead · 5 colors

Lead #3FEF71 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Spring Green 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 #3FEF71 Secondary #D5FFDB Support #989286 Ink #17140F

Spring 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 Spring Green carrying the quiet middle.

Japanese Sand Base · 5 colors

Base #3FEF71 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Spring Green 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 #3FEF71 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 18/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 20/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 20/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 85/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 15/100

Very low

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

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 52/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #3FEF71

For UI

For branding

For interior

For fashion

People also use #3FEF71 with

Light Green Turquoise Fuchsia 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 12.2:1. Use

Subtle surface Use #DDF7E5 for cards and hover fills. Tint 80

Avoid beside #3EEFAB — 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 #3FEF71 at work across the surfaces designers actually ship.

Website / UI

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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: #3FEF71;
  --color-base-rgb: 63 239 113;
  --color-base-oklch: oklch(83.8% 0.220 148.2);
  --color-50: #F0FEF4;
  --color-100: #D8FDE3;
  --color-200: #B4F9C7;
  --color-300: #81EEA0;
  --color-400: #53DF7B;
  --color-500: #30C55A;
  --color-600: #2C964A;
  --color-700: #256A39;
  --color-800: #1C4528;
  --color-900: #132A1A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  spring-green: {
    50: '#F0FEF4',
    100: '#D8FDE3',
    200: '#B4F9C7',
    300: '#81EEA0',
    400: '#53DF7B',
    500: '#30C55A',
    600: '#2C964A',
    700: '#256A39',
    800: '#1C4528',
    900: '#132A1A',
  },
}

$base: #3FEF71;
$base-ink: #141310;
$base-50: #F0FEF4;
$base-100: #D8FDE3;
$base-200: #B4F9C7;
$base-300: #81EEA0;
$base-400: #53DF7B;
$base-500: #30C55A;
$base-600: #2C964A;
$base-700: #256A39;
$base-800: #1C4528;
$base-900: #132A1A;
$base-hover: #12DF4C;
$base-subtle: #CBF4D7;

{
    "color": {
        "base": {
            "value": "#3FEF71",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF4",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE3",
                "type": "color"
            },
            "200": {
                "value": "#B4F9C7",
                "type": "color"
            },
            "300": {
                "value": "#81EEA0",
                "type": "color"
            },
            "400": {
                "value": "#53DF7B",
                "type": "color"
            },
            "500": {
                "value": "#30C55A",
                "type": "color"
            },
            "600": {
                "value": "#2C964A",
                "type": "color"
            },
            "700": {
                "value": "#256A39",
                "type": "color"
            },
            "800": {
                "value": "#1C4528",
                "type": "color"
            },
            "900": {
                "value": "#132A1A",
                "type": "color"
            }
        }
    }
}

Palettes built on #3FEF71

Color Lab

Pairs with #3FEF71

UI roles & guardrails

In real applications

Scales

Every model

Export