What color is #42C8BB?

#42C8BB is a medium teal. In RGB it is rgb(66, 200, 187), and in HSL hsl(174, 55%, 52%).

Is #42C8BB accessible as text?

On white, #42C8BB has a contrast ratio of 2.06:1 (fails WCAG AA for body text); on black it is 10.21:1 (passes). For text placed on #42C8BB, use black for the best readability.

What is the closest Tailwind color to #42C8BB?

The nearest Tailwind CSS token is teal-400 (#00D5BE).

What colors go well with #42C8BB?

#42C8BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C8414F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #42C8BB below.

Is #42C8BB good for buttons?

#42C8BB works well for buttons and highlights, but use black text on #42C8BB — white text only reaches 2.06:1, below the 4.5:1 needed for normal-size labels.

Is #42C8BB the same as CSS mediumturquoise?

No — #42C8BB is not the CSS named color mediumturquoise, but mediumturquoise (#48D1CC) is the closest CSS named color.

#42C8BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42C8BB

Not just a swatch — here's how #42C8BB works with other colors. Named schemes with #42C8BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #42C8BB Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Robin Egg Blue 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 #42C8BB Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #42C8BB Secondary #C0E7E1 Support #979286 Ink #16140F

Robin Egg Blue 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 Robin Egg Blue carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #42C8BB Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #7FEDE1

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

Modern Café Dominant · 5 colors

Dominant #42C8BB Anchor #382B1E Surface #ECE4D0 Accent #829C71 Secondary #3A3833

Robin Egg Blue anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Build a working theme in the generator →

Color Lab

How #42C8BB 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 25/100

Cool

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

Softness 60/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 24/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 32/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 45/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 40/100

Low

Workable accent with care around contrast.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 73/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #42C8BB

For UI

For branding

For interior

For fashion

People also use #42C8BB with

Emerald Green Steel Blue Brick Red 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 9.0:1. Use

Subtle surface Use #DDF0EE for cards and hover fills. Tint 80

Avoid beside #41A9C8 — 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 #42C8BB 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: #42C8BB;
  --color-base-rgb: 66 200 187;
  --color-base-oklch: oklch(75.8% 0.116 185.8);
  --color-50: #F3FCFB;
  --color-100: #DFF6F4;
  --color-200: #C0EDE8;
  --color-300: #94DBD4;
  --color-400: #6BC7BD;
  --color-500: #4AABA1;
  --color-600: #3F837C;
  --color-700: #315E59;
  --color-800: #233E3B;
  --color-900: #172625;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  robin-egg-blue: {
    50: '#F3FCFB',
    100: '#DFF6F4',
    200: '#C0EDE8',
    300: '#94DBD4',
    400: '#6BC7BD',
    500: '#4AABA1',
    600: '#3F837C',
    700: '#315E59',
    800: '#233E3B',
    900: '#172625',
  },
}

$base: #42C8BB;
$base-ink: #141310;
$base-50: #F3FCFB;
$base-100: #DFF6F4;
$base-200: #C0EDE8;
$base-300: #94DBD4;
$base-400: #6BC7BD;
$base-500: #4AABA1;
$base-600: #3F837C;
$base-700: #315E59;
$base-800: #233E3B;
$base-900: #172625;
$base-hover: #30A499;
$base-subtle: #CBEAE7;

{
    "color": {
        "base": {
            "value": "#42C8BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FCFB",
                "type": "color"
            },
            "100": {
                "value": "#DFF6F4",
                "type": "color"
            },
            "200": {
                "value": "#C0EDE8",
                "type": "color"
            },
            "300": {
                "value": "#94DBD4",
                "type": "color"
            },
            "400": {
                "value": "#6BC7BD",
                "type": "color"
            },
            "500": {
                "value": "#4AABA1",
                "type": "color"
            },
            "600": {
                "value": "#3F837C",
                "type": "color"
            },
            "700": {
                "value": "#315E59",
                "type": "color"
            },
            "800": {
                "value": "#233E3B",
                "type": "color"
            },
            "900": {
                "value": "#172625",
                "type": "color"
            }
        }
    }
}

Palettes built on #42C8BB

Color Lab

Pairs with #42C8BB

UI roles & guardrails

In real applications

Scales

Every model

Export