What color is #3FB134?

#3FB134 is a medium green. In RGB it is rgb(63, 177, 52), and in HSL hsl(115, 55%, 45%).

Is #3FB134 accessible as text?

On white, #3FB134 has a contrast ratio of 2.78:1 (fails WCAG AA for body text); on black it is 7.55:1 (passes). For text placed on #3FB134, use black for the best readability.

What is the closest Tailwind color to #3FB134?

The nearest Tailwind CSS token is lime-600 (#5EA500).

What colors go well with #3FB134?

#3FB134 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A734B2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FB134 below.

Is #3FB134 good for buttons?

#3FB134 works well for buttons and highlights, but use black text on #3FB134 — white text only reaches 2.78:1, below the 4.5:1 needed for normal-size labels.

Is #3FB134 the same as CSS mediumseagreen?

No — #3FB134 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#3FB134 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FB134

Not just a swatch — here's how #3FB134 works with other colors. Named schemes with #3FB134 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #3FB134 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #74D669

Kelly 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 Kelly Green.

Japanese Sand Base · 5 colors

Base #3FB134 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Kelly 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.

Botanical Studio Lead · 5 colors

Lead #3FB134 Secondary #4D6B3B Accent #AE6B00 Surface #EEEAD6 Anchor #3C2F21

Kelly 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 #3FB134 Secondary #A9CDA5 Support #989286 Ink #17140F

Kelly 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 Kelly Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #3FB134 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #193648

Kelly Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Build a working theme in the generator →

Color Lab

How #3FB134 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 48/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 35/100

Low

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

Naturalness 45/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 37/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 74/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 64/100

High

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

Surface fit 24/100

Low

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

Print safety 57/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #3FB134

For UI

For branding

For interior

For fashion

People also use #3FB134 with

Yellow Green Medium Sea Green Byzantine Platinum Hunter Green

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

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 6.7:1. Use

Subtle surface Use #DAEED8 for cards and hover fills. Tint 80

Avoid beside #34B253 — 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 #3FB134 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: #3FB134;
  --color-base-rgb: 63 177 52;
  --color-base-oklch: oklch(67.1% 0.192 141.9);
  --color-50: #F4FCF3;
  --color-100: #E1F6DF;
  --color-200: #C4EDC0;
  --color-300: #9ADB94;
  --color-400: #73C76B;
  --color-500: #52AB4A;
  --color-600: #44833F;
  --color-700: #355E31;
  --color-800: #253E23;
  --color-900: #182617;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  kelly-green: {
    50: '#F4FCF3',
    100: '#E1F6DF',
    200: '#C4EDC0',
    300: '#9ADB94',
    400: '#73C76B',
    500: '#52AB4A',
    600: '#44833F',
    700: '#355E31',
    800: '#253E23',
    900: '#182617',
  },
}

$base: #3FB134;
$base-ink: #141310;
$base-50: #F4FCF3;
$base-100: #E1F6DF;
$base-200: #C4EDC0;
$base-300: #9ADB94;
$base-400: #73C76B;
$base-500: #52AB4A;
$base-600: #44833F;
$base-700: #355E31;
$base-800: #253E23;
$base-900: #182617;
$base-hover: #328E29;
$base-subtle: #C6E7C3;

{
    "color": {
        "base": {
            "value": "#3FB134",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FCF3",
                "type": "color"
            },
            "100": {
                "value": "#E1F6DF",
                "type": "color"
            },
            "200": {
                "value": "#C4EDC0",
                "type": "color"
            },
            "300": {
                "value": "#9ADB94",
                "type": "color"
            },
            "400": {
                "value": "#73C76B",
                "type": "color"
            },
            "500": {
                "value": "#52AB4A",
                "type": "color"
            },
            "600": {
                "value": "#44833F",
                "type": "color"
            },
            "700": {
                "value": "#355E31",
                "type": "color"
            },
            "800": {
                "value": "#253E23",
                "type": "color"
            },
            "900": {
                "value": "#182617",
                "type": "color"
            }
        }
    }
}

Palettes built on #3FB134

Color Lab

Pairs with #3FB134

UI roles & guardrails

In real applications

Scales

Every model

Export