What color is #63BB39?

#63BB39 is a medium green. In RGB it is rgb(99, 187, 57), and in HSL hsl(101, 53%, 48%).

Is #63BB39 accessible as text?

On white, #63BB39 has a contrast ratio of 2.41:1 (fails WCAG AA for body text); on black it is 8.70:1 (passes). For text placed on #63BB39, use black for the best readability.

What is the closest Tailwind color to #63BB39?

The nearest Tailwind CSS token is green-500 (#00C950).

What colors go well with #63BB39?

#63BB39 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #923ABB. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #63BB39 below.

Is #63BB39 good for buttons?

#63BB39 works well for buttons and highlights, but use black text on #63BB39 — white text only reaches 2.41:1, below the 4.5:1 needed for normal-size labels.

Is #63BB39 the same as CSS limegreen?

No — #63BB39 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#63BB39 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #63BB39

Not just a swatch — here's how #63BB39 works with other colors. Named schemes with #63BB39 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #63BB39 Secondary #4D6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

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 #63BB39 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #90E070

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 #63BB39 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #63BB39 Secondary #BAD9AF 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 #63BB39 Accent #A8C4B9 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 #63BB39 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 52/100

Neutral

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

Softness 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 31/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 54/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 29/100

Low

A faint retro warmth without tipping into sepia.

Luxury 34/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 71/100

High

Bold and ownable — memorable as a primary brand color.

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 28/100

Low

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

Print safety 59/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #63BB39

For UI

For branding

For interior

For fashion

People also use #63BB39 with

Yellow Green Medium Sea Green Dark Orchid Platinum Army 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 7.7:1. Use

Subtle surface Use #E1EFDA for cards and hover fills. Tint 80

Avoid beside #3ABB3C — 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 #63BB39 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: #63BB39;
  --color-base-rgb: 99 187 57;
  --color-base-oklch: oklch(71.1% 0.185 137.4);
  --color-50: #F6FCF3;
  --color-100: #E6F6DF;
  --color-200: #CEECC1;
  --color-300: #ABDA95;
  --color-400: #89C56D;
  --color-500: #69A94C;
  --color-600: #558240;
  --color-700: #405D32;
  --color-800: #2C3D24;
  --color-900: #1C2617;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  kelly-green: {
    50: '#F6FCF3',
    100: '#E6F6DF',
    200: '#CEECC1',
    300: '#ABDA95',
    400: '#89C56D',
    500: '#69A94C',
    600: '#558240',
    700: '#405D32',
    800: '#2C3D24',
    900: '#1C2617',
  },
}

$base: #63BB39;
$base-ink: #141310;
$base-50: #F6FCF3;
$base-100: #E6F6DF;
$base-200: #CEECC1;
$base-300: #ABDA95;
$base-400: #89C56D;
$base-500: #69A94C;
$base-600: #558240;
$base-700: #405D32;
$base-800: #2C3D24;
$base-900: #1C2617;
$base-hover: #4F962E;
$base-subtle: #D1E7C7;

{
    "color": {
        "base": {
            "value": "#63BB39",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6FCF3",
                "type": "color"
            },
            "100": {
                "value": "#E6F6DF",
                "type": "color"
            },
            "200": {
                "value": "#CEECC1",
                "type": "color"
            },
            "300": {
                "value": "#ABDA95",
                "type": "color"
            },
            "400": {
                "value": "#89C56D",
                "type": "color"
            },
            "500": {
                "value": "#69A94C",
                "type": "color"
            },
            "600": {
                "value": "#558240",
                "type": "color"
            },
            "700": {
                "value": "#405D32",
                "type": "color"
            },
            "800": {
                "value": "#2C3D24",
                "type": "color"
            },
            "900": {
                "value": "#1C2617",
                "type": "color"
            }
        }
    }
}

Palettes built on #63BB39

Color Lab

Pairs with #63BB39

UI roles & guardrails

In real applications

Scales

Every model

Export