What color is #4ED4EF?

#4ED4EF is a light, vivid cyan. In RGB it is rgb(78, 212, 239), and in HSL hsl(190, 83%, 62%).

Is #4ED4EF accessible as text?

On white, #4ED4EF has a contrast ratio of 1.75:1 (fails WCAG AA for body text); on black it is 11.99:1 (passes). For text placed on #4ED4EF, use black for the best readability.

What is the closest Tailwind color to #4ED4EF?

The nearest Tailwind CSS token is cyan-400 (#00D3F2).

What colors go well with #4ED4EF?

#4ED4EF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EF684E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4ED4EF below.

Is #4ED4EF good for buttons?

#4ED4EF works well for buttons and highlights, but use black text on #4ED4EF — white text only reaches 1.75:1, below the 4.5:1 needed for normal-size labels.

Is #4ED4EF the same as CSS skyblue?

No — #4ED4EF is not the CSS named color skyblue, but skyblue (#87CEEB) is the closest CSS named color.

#4ED4EF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4ED4EF

Not just a swatch — here's how #4ED4EF works with other colors. Named schemes with #4ED4EF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4ED4EF Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Bright Sky 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 #4ED4EF Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #4ED4EF Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #8AFAFF

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #4ED4EF Secondary #CFF6FF Support #969286 Ink #16140F

Bright Sky 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 Bright Sky carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #4ED4EF Anchor #372C1D Surface #EBE5D0 Accent #7E9D74 Secondary #3A3933

Bright Sky 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 #4ED4EF 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 16/100

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 19/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 26/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 46/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 26/100

Low

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

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4ED4EF

For UI

For branding

For interior

For fashion

People also use #4ED4EF with

Seafoam Green Azure Terracotta 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 10.6:1. Use

Subtle surface Use #E0F3F7 for cards and hover fills. Tint 80

Avoid beside #4E9EEF — 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 #4ED4EF 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: #4ED4EF;
  --color-base-rgb: 78 212 239;
  --color-base-oklch: oklch(80.8% 0.120 213.7);
  --color-50: #F0FCFE;
  --color-100: #D9F7FD;
  --color-200: #B4EDF8;
  --color-300: #82DBED;
  --color-400: #54C7DE;
  --color-500: #31ABC3;
  --color-600: #2D8395;
  --color-700: #265E69;
  --color-800: #1C3E44;
  --color-900: #13262A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bright-sky: {
    50: '#F0FCFE',
    100: '#D9F7FD',
    200: '#B4EDF8',
    300: '#82DBED',
    400: '#54C7DE',
    500: '#31ABC3',
    600: '#2D8395',
    700: '#265E69',
    800: '#1C3E44',
    900: '#13262A',
  },
}

$base: #4ED4EF;
$base-ink: #141310;
$base-50: #F0FCFE;
$base-100: #D9F7FD;
$base-200: #B4EDF8;
$base-300: #82DBED;
$base-400: #54C7DE;
$base-500: #31ABC3;
$base-600: #2D8395;
$base-700: #265E69;
$base-800: #1C3E44;
$base-900: #13262A;
$base-hover: #16C4E7;
$base-subtle: #D0EEF4;

{
    "color": {
        "base": {
            "value": "#4ED4EF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FCFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F7FD",
                "type": "color"
            },
            "200": {
                "value": "#B4EDF8",
                "type": "color"
            },
            "300": {
                "value": "#82DBED",
                "type": "color"
            },
            "400": {
                "value": "#54C7DE",
                "type": "color"
            },
            "500": {
                "value": "#31ABC3",
                "type": "color"
            },
            "600": {
                "value": "#2D8395",
                "type": "color"
            },
            "700": {
                "value": "#265E69",
                "type": "color"
            },
            "800": {
                "value": "#1C3E44",
                "type": "color"
            },
            "900": {
                "value": "#13262A",
                "type": "color"
            }
        }
    }
}