What color is #42E4BB?

#42E4BB is a medium, vivid teal. In RGB it is rgb(66, 228, 187), and in HSL hsl(165, 75%, 58%).

Is #42E4BB accessible as text?

On white, #42E4BB has a contrast ratio of 1.61:1 (fails WCAG AA for body text); on black it is 13.05:1 (passes). For text placed on #42E4BB, use black for the best readability.

What is the closest Tailwind color to #42E4BB?

The nearest Tailwind CSS token is emerald-300 (#5EE9B5).

What colors go well with #42E4BB?

#42E4BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #E4446C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #42E4BB below.

Is #42E4BB good for buttons?

#42E4BB works well for buttons and highlights, but use black text on #42E4BB — white text only reaches 1.61:1, below the 4.5:1 needed for normal-size labels.

Is #42E4BB the same as CSS turquoise?

No — #42E4BB is not the CSS named color turquoise, but turquoise (#40E0D0) 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.

#42E4BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #42E4BB

Not just a swatch — here's how #42E4BB works with other colors. Named schemes with #42E4BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #42E4BB Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

Turquoise 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 #42E4BB Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

Turquoise 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 #42E4BB Secondary #AA6E00 Accent #647D4F Surface #F1EDDD Anchor #392B1E

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

Botanical Studio Lead · 5 colors

Lead #42E4BB Secondary #486C3F Accent #AA6E00 Surface #EEEAD6 Anchor #3C2F20

Turquoise 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 #42E4BB Secondary #D3FFF0 Support #989286 Ink #16140F

Turquoise 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 Turquoise carrying the quiet middle.

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Color Lab

How #42E4BB 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 27/100

Cool

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

Softness 60/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 18/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 48/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 28/100

Low

A faint retro warmth without tipping into sepia.

Luxury 24/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 56/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 22/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 40/100

Low

Usable as a tinted surface in measured doses.

Print safety 71/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #42E4BB

For UI

For branding

For interior

For fashion

People also use #42E4BB with

Light Green Picton Blue Cerise 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 11.5:1. Use

Subtle surface Use #DEF5EF for cards and hover fills. Tint 80

Avoid beside #44D7E4 — 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 #42E4BB 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: #42E4BB;
  --color-base-rgb: 66 228 187;
  --color-base-oklch: oklch(82.6% 0.144 171.8);
  --color-50: #F1FEFA;
  --color-100: #DAFBF3;
  --color-200: #B8F5E5;
  --color-300: #87E8D0;
  --color-400: #5BD7B8;
  --color-500: #38BC9B;
  --color-600: #329078;
  --color-700: #296657;
  --color-800: #1E4239;
  --color-900: #142924;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  turquoise: {
    50: '#F1FEFA',
    100: '#DAFBF3',
    200: '#B8F5E5',
    300: '#87E8D0',
    400: '#5BD7B8',
    500: '#38BC9B',
    600: '#329078',
    700: '#296657',
    800: '#1E4239',
    900: '#142924',
  },
}

$base: #42E4BB;
$base-ink: #141310;
$base-50: #F1FEFA;
$base-100: #DAFBF3;
$base-200: #B8F5E5;
$base-300: #87E8D0;
$base-400: #5BD7B8;
$base-500: #38BC9B;
$base-600: #329078;
$base-700: #296657;
$base-800: #1E4239;
$base-900: #142924;
$base-hover: #1ECFA3;
$base-subtle: #CDF1E8;

{
    "color": {
        "base": {
            "value": "#42E4BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEFA",
                "type": "color"
            },
            "100": {
                "value": "#DAFBF3",
                "type": "color"
            },
            "200": {
                "value": "#B8F5E5",
                "type": "color"
            },
            "300": {
                "value": "#87E8D0",
                "type": "color"
            },
            "400": {
                "value": "#5BD7B8",
                "type": "color"
            },
            "500": {
                "value": "#38BC9B",
                "type": "color"
            },
            "600": {
                "value": "#329078",
                "type": "color"
            },
            "700": {
                "value": "#296657",
                "type": "color"
            },
            "800": {
                "value": "#1E4239",
                "type": "color"
            },
            "900": {
                "value": "#142924",
                "type": "color"
            }
        }
    }
}

Palettes built on #42E4BB

Color Lab

Pairs with #42E4BB

UI roles & guardrails

In real applications

Scales

Every model

Export