What color is #63CB19?

#63CB19 is a medium, vivid green. In RGB it is rgb(99, 203, 25), and in HSL hsl(95, 78%, 45%).

Is #63CB19 accessible as text?

On white, #63CB19 has a contrast ratio of 2.08:1 (fails WCAG AA for body text); on black it is 10.09:1 (passes). For text placed on #63CB19, use black for the best readability.

What is the closest Tailwind color to #63CB19?

The nearest Tailwind CSS token is lime-500 (#7CCF00).

What colors go well with #63CB19?

#63CB19 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8219CC. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #63CB19 below.

Is #63CB19 good for buttons?

#63CB19 works well for buttons and highlights, but use black text on #63CB19 — white text only reaches 2.08:1, below the 4.5:1 needed for normal-size labels.

Is #63CB19 the same as CSS limegreen?

No — #63CB19 is not the CSS named color limegreen, but limegreen (#32CD32) is the closest CSS named color.

#63CB19 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #63CB19

Not just a swatch — here's how #63CB19 works with other colors. Named schemes with #63CB19 in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #63CB19 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #93F165

Lime 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 Lime Green.

Japanese Sand Base · 5 colors

Base #63CB19 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Lime 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 #63CB19 Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

Lime 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 #63CB19 Secondary #C4E7B5 Support #999286 Ink #17140F

Lime 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 Lime Green carrying the quiet middle.

Coastal Morning Lead · 5 colors

Lead #63CB19 Accent #A8C4B9 Surface #E2D9BE Secondary #9AA09F Anchor #193648

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

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Color Lab

How #63CB19 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 53/100

Neutral

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

Softness 43/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 27/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 23/100

Low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 17/100

Very low

Clean and current — no dusty, aged cast.

Luxury 29/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 84/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 34/100

Low

Workable accent with care around contrast.

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 52/100

Moderate

Prints close, with a slight loss of vibrancy.

Pairs with #63CB19

For UI

For branding

For interior

For fashion

People also use #63CB19 with

Pear Lime Green Dark Violet 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 8.9:1. Use

Subtle surface Use #E0F3D3 for cards and hover fills. Tint 80

Avoid beside #28CC19 — 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 #63CB19 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: #63CB19;
  --color-base-rgb: 99 203 25;
  --color-base-oklch: oklch(75.0% 0.219 136.6);
  --color-50: #F6FEF1;
  --color-100: #E8FBDA;
  --color-200: #D1F6B6;
  --color-300: #AFEA85;
  --color-400: #8EDA58;
  --color-500: #6FBF36;
  --color-600: #599130;
  --color-700: #426728;
  --color-800: #2D431E;
  --color-900: #1D2914;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lime-green: {
    50: '#F6FEF1',
    100: '#E8FBDA',
    200: '#D1F6B6',
    300: '#AFEA85',
    400: '#8EDA58',
    500: '#6FBF36',
    600: '#599130',
    700: '#426728',
    800: '#2D431E',
    900: '#1D2914',
  },
}

$base: #63CB19;
$base-ink: #141310;
$base-50: #F6FEF1;
$base-100: #E8FBDA;
$base-200: #D1F6B6;
$base-300: #AFEA85;
$base-400: #8EDA58;
$base-500: #6FBF36;
$base-600: #599130;
$base-700: #426728;
$base-800: #2D431E;
$base-900: #1D2914;
$base-hover: #50A314;
$base-subtle: #D1EEBC;

{
    "color": {
        "base": {
            "value": "#63CB19",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6FEF1",
                "type": "color"
            },
            "100": {
                "value": "#E8FBDA",
                "type": "color"
            },
            "200": {
                "value": "#D1F6B6",
                "type": "color"
            },
            "300": {
                "value": "#AFEA85",
                "type": "color"
            },
            "400": {
                "value": "#8EDA58",
                "type": "color"
            },
            "500": {
                "value": "#6FBF36",
                "type": "color"
            },
            "600": {
                "value": "#599130",
                "type": "color"
            },
            "700": {
                "value": "#426728",
                "type": "color"
            },
            "800": {
                "value": "#2D431E",
                "type": "color"
            },
            "900": {
                "value": "#1D2914",
                "type": "color"
            }
        }
    }
}