What color is #63CA78?

#63CA78 is a medium green. In RGB it is rgb(99, 202, 120), and in HSL hsl(132, 49%, 59%).

Is #63CA78 accessible as text?

On white, #63CA78 has a contrast ratio of 2.05:1 (fails WCAG AA for body text); on black it is 10.25:1 (passes). For text placed on #63CA78, use black for the best readability.

What is the closest Tailwind color to #63CA78?

The nearest Tailwind CSS token is emerald-400 (#00D492).

What colors go well with #63CA78?

#63CA78 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CA63B5. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #63CA78 below.

Is #63CA78 good for buttons?

#63CA78 works well for buttons and highlights, but use black text on #63CA78 — white text only reaches 2.05:1, below the 4.5:1 needed for normal-size labels.

Is #63CA78 the same as CSS mediumaquamarine?

No — #63CA78 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color.

#63CA78 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #63CA78

Not just a swatch — here's how #63CA78 works with other colors. Named schemes with #63CA78 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #63CA78 Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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

Coastal Morning Lead · 5 colors

Lead #63CA78 Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

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

Nordic Calm Accent · 5 colors

Accent #63CA78 Secondary #ADB4B7 Surface #F1F2F0 Support #7895A3 Anchor #2D3236

Emerald Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Warm Autumn Interior Dominant · 5 colors

Dominant #63CA78 Secondary #AD6C00 Accent #687C4C Surface #F2EDDD Anchor #392B1E

This palette keeps Emerald Green as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #63CA78 Secondary #C6E7CA Support #989286 Ink #17140F

Emerald 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 Emerald Green carrying the quiet middle.

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Color Lab

How #63CA78 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 43/100

Neutral

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

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 25/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 85/100

Very high

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 35/100

Low

A faint retro warmth without tipping into sepia.

Luxury 31/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 58/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 32/100

Low

Usable as a tinted surface in measured doses.

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #63CA78

For UI

For branding

For interior

For fashion

People also use #63CA78 with

Pistachio Medium Aquamarine Orchid 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 9.1:1. Use

Subtle surface Use #E3F1E6 for cards and hover fills. Tint 80

Avoid beside #63CA9A — 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 #63CA78 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: #63CA78;
  --color-base-rgb: 99 202 120;
  --color-base-oklch: oklch(75.7% 0.151 148.4);
  --color-50: #F3FBF5;
  --color-100: #E0F5E4;
  --color-200: #C2EACA;
  --color-300: #98D7A5;
  --color-400: #70C281;
  --color-500: #4FA661;
  --color-600: #427F4F;
  --color-700: #345B3C;
  --color-800: #253C29;
  --color-900: #18251B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  emerald-green: {
    50: '#F3FBF5',
    100: '#E0F5E4',
    200: '#C2EACA',
    300: '#98D7A5',
    400: '#70C281',
    500: '#4FA661',
    600: '#427F4F',
    700: '#345B3C',
    800: '#253C29',
    900: '#18251B',
  },
}

$base: #63CA78;
$base-ink: #141310;
$base-50: #F3FBF5;
$base-100: #E0F5E4;
$base-200: #C2EACA;
$base-300: #98D7A5;
$base-400: #70C281;
$base-500: #4FA661;
$base-600: #427F4F;
$base-700: #345B3C;
$base-800: #253C29;
$base-900: #18251B;
$base-hover: #3DB355;
$base-subtle: #D4EBD9;

{
    "color": {
        "base": {
            "value": "#63CA78",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF5",
                "type": "color"
            },
            "100": {
                "value": "#E0F5E4",
                "type": "color"
            },
            "200": {
                "value": "#C2EACA",
                "type": "color"
            },
            "300": {
                "value": "#98D7A5",
                "type": "color"
            },
            "400": {
                "value": "#70C281",
                "type": "color"
            },
            "500": {
                "value": "#4FA661",
                "type": "color"
            },
            "600": {
                "value": "#427F4F",
                "type": "color"
            },
            "700": {
                "value": "#345B3C",
                "type": "color"
            },
            "800": {
                "value": "#253C29",
                "type": "color"
            },
            "900": {
                "value": "#18251B",
                "type": "color"
            }
        }
    }
}

Palettes built on #63CA78

Color Lab

Pairs with #63CA78

UI roles & guardrails

In real applications

Scales

Every model

Export