What color is #63BFB0?

#63BFB0 is a medium teal. In RGB it is rgb(99, 191, 176), and in HSL hsl(170, 42%, 57%).

Is #63BFB0 accessible as text?

On white, #63BFB0 has a contrast ratio of 2.19:1 (fails WCAG AA for body text); on black it is 9.61:1 (passes). For text placed on #63BFB0, use black for the best readability.

What is the closest Tailwind color to #63BFB0?

The nearest Tailwind CSS token is teal-500 (#00BBA7).

What colors go well with #63BFB0?

#63BFB0 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BF6373. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #63BFB0 below.

Is #63BFB0 good for buttons?

#63BFB0 works well for buttons and highlights, but use black text on #63BFB0 — white text only reaches 2.19:1, below the 4.5:1 needed for normal-size labels.

Is #63BFB0 the same as CSS mediumaquamarine?

No — #63BFB0 is not the CSS named color mediumaquamarine, but mediumaquamarine (#66CDAA) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#63BFB0 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #63BFB0

Not just a swatch — here's how #63BFB0 works with other colors. Named schemes with #63BFB0 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #63BFB0 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

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

Japanese Sand Base · 5 colors

Base #63BFB0 Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Medium Aquamarine 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.

Coastal Morning Lead · 5 colors

Lead #63BFB0 Accent #A7C4BC Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #63BFB0 Secondary #C3E0DA Support #979286 Ink #16140F

Medium Aquamarine 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 Medium Aquamarine carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #63BFB0 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #93E4D6

Medium Aquamarine is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Medium Aquamarine.

Build a working theme in the generator →

Color Lab

How #63BFB0 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 32/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 62/100

High

Soft and easy on the eye — gentle backdrops, calm surfaces.

Depth 25/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 33/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 41/100

Moderate

Workable accent with care around contrast.

Surface fit 48/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #63BFB0

For UI

For branding

For interior

For fashion

People also use #63BFB0 with

Medium Aquamarine Carolina Blue Rose Gold Platinum Dark Slate Gray

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 8.5:1. Use

Subtle surface Use #E2F0ED for cards and hover fills. Tint 80

Avoid beside #63B0BF — 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 #63BFB0 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: #63BFB0;
  --color-base-rgb: 99 191 176;
  --color-base-oklch: oklch(74.4% 0.091 181.8);
  --color-50: #F4FBFA;
  --color-100: #E2F4F1;
  --color-200: #C5E7E2;
  --color-300: #9CD3CA;
  --color-400: #76BCB0;
  --color-500: #559F93;
  --color-600: #477B72;
  --color-700: #365853;
  --color-800: #263B37;
  --color-900: #192422;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  medium-aquamarine: {
    50: '#F4FBFA',
    100: '#E2F4F1',
    200: '#C5E7E2',
    300: '#9CD3CA',
    400: '#76BCB0',
    500: '#559F93',
    600: '#477B72',
    700: '#365853',
    800: '#263B37',
    900: '#192422',
  },
}

$base: #63BFB0;
$base-ink: #141310;
$base-50: #F4FBFA;
$base-100: #E2F4F1;
$base-200: #C5E7E2;
$base-300: #9CD3CA;
$base-400: #76BCB0;
$base-500: #559F93;
$base-600: #477B72;
$base-700: #365853;
$base-800: #263B37;
$base-900: #192422;
$base-hover: #43A595;
$base-subtle: #D4E9E5;

{
    "color": {
        "base": {
            "value": "#63BFB0",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E2F4F1",
                "type": "color"
            },
            "200": {
                "value": "#C5E7E2",
                "type": "color"
            },
            "300": {
                "value": "#9CD3CA",
                "type": "color"
            },
            "400": {
                "value": "#76BCB0",
                "type": "color"
            },
            "500": {
                "value": "#559F93",
                "type": "color"
            },
            "600": {
                "value": "#477B72",
                "type": "color"
            },
            "700": {
                "value": "#365853",
                "type": "color"
            },
            "800": {
                "value": "#263B37",
                "type": "color"
            },
            "900": {
                "value": "#192422",
                "type": "color"
            }
        }
    }
}

Palettes built on #63BFB0

Color Lab

Pairs with #63BFB0

UI roles & guardrails

In real applications

Scales

Every model

Export