What color is #4EDCEF?

#4EDCEF is a light, vivid cyan. In RGB it is rgb(78, 220, 239), and in HSL hsl(187, 83%, 62%).

Is #4EDCEF accessible as text?

On white, #4EDCEF has a contrast ratio of 1.64:1 (fails WCAG AA for body text); on black it is 12.81:1 (passes). For text placed on #4EDCEF, use black for the best readability.

What is the closest Tailwind color to #4EDCEF?

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

What colors go well with #4EDCEF?

#4EDCEF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #EF604E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4EDCEF below.

Is #4EDCEF good for buttons?

#4EDCEF works well for buttons and highlights, but use black text on #4EDCEF — white text only reaches 1.64:1, below the 4.5:1 needed for normal-size labels.

Is #4EDCEF the same as CSS turquoise?

No — #4EDCEF is not the CSS named color turquoise, but turquoise (#40E0D0) is the closest CSS named color.

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

Palettes built on #4EDCEF

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

Coastal Morning Lead · 5 colors

Lead #4EDCEF Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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 #4EDCEF 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 #4EDCEF Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #8CFFFF

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 #4EDCEF Secondary #D4FDFF Support #979286 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 #4EDCEF Anchor #372C1D Surface #EBE5D0 Accent #7F9D73 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 #4EDCEF 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 17/100

Cool

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

Softness 63/100

High

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

Depth 18/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 6/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 24/100

Low

Playful and accessible rather than exclusive.

Brand distinctiveness 47/100

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 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4EDCEF

For UI

For branding

For interior

For fashion

People also use #4EDCEF with

Seafoam Green Signal Blue 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 11.3:1. Use

Subtle surface Use #E0F4F7 for cards and hover fills. Tint 80

Avoid beside #4EA6EF — 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 #4EDCEF at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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: #4EDCEF;
  --color-base-rgb: 78 220 239;
  --color-base-oklch: oklch(82.7% 0.122 207.8);
  --color-50: #F0FDFE;
  --color-100: #D9F8FD;
  --color-200: #B4F0F8;
  --color-300: #82E1ED;
  --color-400: #54CEDE;
  --color-500: #31B2C3;
  --color-600: #2D8995;
  --color-700: #266169;
  --color-800: #1C4044;
  --color-900: #13272A;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  bright-sky: {
    50: '#F0FDFE',
    100: '#D9F8FD',
    200: '#B4F0F8',
    300: '#82E1ED',
    400: '#54CEDE',
    500: '#31B2C3',
    600: '#2D8995',
    700: '#266169',
    800: '#1C4044',
    900: '#13272A',
  },
}

$base: #4EDCEF;
$base-ink: #141310;
$base-50: #F0FDFE;
$base-100: #D9F8FD;
$base-200: #B4F0F8;
$base-300: #82E1ED;
$base-400: #54CEDE;
$base-500: #31B2C3;
$base-600: #2D8995;
$base-700: #266169;
$base-800: #1C4044;
$base-900: #13272A;
$base-hover: #16CFE7;
$base-subtle: #D0F0F4;

{
    "color": {
        "base": {
            "value": "#4EDCEF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FDFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F8FD",
                "type": "color"
            },
            "200": {
                "value": "#B4F0F8",
                "type": "color"
            },
            "300": {
                "value": "#82E1ED",
                "type": "color"
            },
            "400": {
                "value": "#54CEDE",
                "type": "color"
            },
            "500": {
                "value": "#31B2C3",
                "type": "color"
            },
            "600": {
                "value": "#2D8995",
                "type": "color"
            },
            "700": {
                "value": "#266169",
                "type": "color"
            },
            "800": {
                "value": "#1C4044",
                "type": "color"
            },
            "900": {
                "value": "#13272A",
                "type": "color"
            }
        }
    }
}