What color is #3BF378?

#3BF378 is a medium, vivid green. In RGB it is rgb(59, 243, 120), and in HSL hsl(140, 88%, 59%).

Is #3BF378 accessible as text?

On white, #3BF378 has a contrast ratio of 1.47:1 (fails WCAG AA for body text); on black it is 14.28:1 (passes). For text placed on #3BF378, use black for the best readability.

What is the closest Tailwind color to #3BF378?

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

What colors go well with #3BF378?

#3BF378 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #F23AB5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3BF378 below.

Is #3BF378 good for buttons?

#3BF378 works well for buttons and highlights, but use black text on #3BF378 — white text only reaches 1.47:1, below the 4.5:1 needed for normal-size labels.

Is #3BF378 the same as CSS springgreen?

No — #3BF378 is not the CSS named color springgreen, but springgreen (#00FF7F) is the closest CSS named color.

#3BF378 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3BF378

Not just a swatch — here's how #3BF378 works with other colors. Named schemes with #3BF378 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #3BF378 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 #3BF378 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #85FFA9

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 #3BF378 Secondary #4B6C3C 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 #3BF378 Secondary #D7FFDF 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 #3BF378 Surface #EEEADC 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.

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Color Lab

How #3BF378 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 42/100

Neutral

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

Softness 48/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 16/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 20/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 12/100

Very low

Clean and current — no dusty, aged cast.

Luxury 19/100

Very 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 13/100

Very low

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

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 52/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #3BF378

For UI

For branding

For interior

For fashion

People also use #3BF378 with

Spring Green Cyan 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 12.6:1. Use

Subtle surface Use #DDF7E6 for cards and hover fills. Tint 80

Avoid beside #3AF2B5 — 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 #3BF378 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: #3BF378;
  --color-base-rgb: 59 243 120;
  --color-base-oklch: oklch(84.9% 0.220 149.3);
  --color-50: #F0FEF5;
  --color-100: #D8FDE4;
  --color-200: #B2FACA;
  --color-300: #7FF0A5;
  --color-400: #50E281;
  --color-500: #2DC861;
  --color-600: #2A984F;
  --color-700: #246B3C;
  --color-800: #1B4629;
  --color-900: #132B1B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  spring-green: {
    50: '#F0FEF5',
    100: '#D8FDE4',
    200: '#B2FACA',
    300: '#7FF0A5',
    400: '#50E281',
    500: '#2DC861',
    600: '#2A984F',
    700: '#246B3C',
    800: '#1B4629',
    900: '#132B1B',
  },
}

$base: #3BF378;
$base-ink: #141310;
$base-50: #F0FEF5;
$base-100: #D8FDE4;
$base-200: #B2FACA;
$base-300: #7FF0A5;
$base-400: #50E281;
$base-500: #2DC861;
$base-600: #2A984F;
$base-700: #246B3C;
$base-800: #1B4629;
$base-900: #132B1B;
$base-hover: #0EE255;
$base-subtle: #CBF5D9;

{
    "color": {
        "base": {
            "value": "#3BF378",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEF5",
                "type": "color"
            },
            "100": {
                "value": "#D8FDE4",
                "type": "color"
            },
            "200": {
                "value": "#B2FACA",
                "type": "color"
            },
            "300": {
                "value": "#7FF0A5",
                "type": "color"
            },
            "400": {
                "value": "#50E281",
                "type": "color"
            },
            "500": {
                "value": "#2DC861",
                "type": "color"
            },
            "600": {
                "value": "#2A984F",
                "type": "color"
            },
            "700": {
                "value": "#246B3C",
                "type": "color"
            },
            "800": {
                "value": "#1B4629",
                "type": "color"
            },
            "900": {
                "value": "#132B1B",
                "type": "color"
            }
        }
    }
}

Palettes built on #3BF378

Color Lab

Pairs with #3BF378

UI roles & guardrails

In real applications

Scales

Every model

Export