What color is #3FB641?

#3FB641 is a medium green. In RGB it is rgb(63, 182, 65), and in HSL hsl(121, 49%, 48%).

Is #3FB641 accessible as text?

On white, #3FB641 has a contrast ratio of 2.63:1 (fails WCAG AA for body text); on black it is 7.98:1 (passes). For text placed on #3FB641, use black for the best readability.

What is the closest Tailwind color to #3FB641?

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

What colors go well with #3FB641?

#3FB641 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B63EB4. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3FB641 below.

Is #3FB641 good for buttons?

#3FB641 works well for buttons and highlights, but use black text on #3FB641 — white text only reaches 2.63:1, below the 4.5:1 needed for normal-size labels.

Is #3FB641 the same as CSS mediumseagreen?

No — #3FB641 is not the CSS named color mediumseagreen, but mediumseagreen (#3CB371) is the closest CSS named color.

#3FB641 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3FB641

Not just a swatch — here's how #3FB641 works with other colors. Named schemes with #3FB641 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #3FB641 Secondary #4C6B3B Accent #AD6B00 Surface #EEEAD6 Anchor #3C2F20

Kelly Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #3FB641 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #75DB73

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 #3FB641 Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #3FB641 Secondary #ADD2AB 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 #3FB641 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 #3FB641 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 47/100

Neutral

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

Softness 44/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

Low

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

Naturalness 47/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 36/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 73/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 60/100

Moderate

Workable accent with care around contrast.

Surface fit 25/100

Low

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

Print safety 58/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #3FB641

For UI

For branding

For interior

For fashion

People also use #3FB641 with

Pistachio Medium Sea Green 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 7.1:1. Use

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

Avoid beside #3EB668 — 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 #3FB641 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #3FB641;
  --color-base-rgb: 63 182 65;
  --color-base-oklch: oklch(68.5% 0.189 143.4);
  --color-50: #F3FBF3;
  --color-100: #E0F5E0;
  --color-200: #C2EAC3;
  --color-300: #98D799;
  --color-400: #70C272;
  --color-500: #4FA651;
  --color-600: #427F43;
  --color-700: #345B34;
  --color-800: #253C25;
  --color-900: #182518;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  kelly-green: {
    50: '#F3FBF3',
    100: '#E0F5E0',
    200: '#C2EAC3',
    300: '#98D799',
    400: '#70C272',
    500: '#4FA651',
    600: '#427F43',
    700: '#345B34',
    800: '#253C25',
    900: '#182518',
  },
}

$base: #3FB641;
$base-ink: #141310;
$base-50: #F3FBF3;
$base-100: #E0F5E0;
$base-200: #C2EAC3;
$base-300: #98D799;
$base-400: #70C272;
$base-500: #4FA651;
$base-600: #427F43;
$base-700: #345B34;
$base-800: #253C25;
$base-900: #182518;
$base-hover: #329234;
$base-subtle: #C8E6C9;

{
    "color": {
        "base": {
            "value": "#3FB641",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF3",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E0",
                "type": "color"
            },
            "200": {
                "value": "#C2EAC3",
                "type": "color"
            },
            "300": {
                "value": "#98D799",
                "type": "color"
            },
            "400": {
                "value": "#70C272",
                "type": "color"
            },
            "500": {
                "value": "#4FA651",
                "type": "color"
            },
            "600": {
                "value": "#427F43",
                "type": "color"
            },
            "700": {
                "value": "#345B34",
                "type": "color"
            },
            "800": {
                "value": "#253C25",
                "type": "color"
            },
            "900": {
                "value": "#182518",
                "type": "color"
            }
        }
    }
}

Palettes built on #3FB641

Color Lab

Pairs with #3FB641

UI roles & guardrails

In real applications

Scales

Every model

Export