What color is #4E99A6?

#4E99A6 is a medium cyan. In RGB it is rgb(78, 153, 166), and in HSL hsl(189, 36%, 48%).

Is #4E99A6 accessible as text?

On white, #4E99A6 has a contrast ratio of 3.27:1 (fails WCAG AA for body text); on black it is 6.43:1 (passes). For text placed on #4E99A6, use black for the best readability.

What is the closest Tailwind color to #4E99A6?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #4E99A6?

#4E99A6 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #A65C4E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4E99A6 below.

Is #4E99A6 good for buttons?

#4E99A6 works well for buttons and highlights, but use black text on #4E99A6 — white text only reaches 3.27:1, below the 4.5:1 needed for normal-size labels.

Is #4E99A6 the same as CSS cadetblue?

No — #4E99A6 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#4E99A6 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4E99A6

Not just a swatch — here's how #4E99A6 works with other colors. Named schemes with #4E99A6 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #4E99A6 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #4E99A6 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

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

Japanese Sand Base · 5 colors

Base #4E99A6 Surface #ECEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Cadet Blue 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.

Tech Product Signal · 5 colors

Signal #4E99A6 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #7CBEC9

Cadet 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 Cadet Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #4E99A6 Secondary #A5BCC1 Support #979286 Ink #16140F

Cadet 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 Cadet Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #4E99A6 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 29/100

Cool

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

Softness 57/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 35/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 42/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 30/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 69/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 79/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4E99A6

For UI

For branding

For interior

For fashion

People also use #4E99A6 with

Verdigris Very Peri Sienna Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 5.7:1. Use

Subtle surface Use #DEE9EB for cards and hover fills. Tint 80

Avoid beside #4E7CA6 — 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 #4E99A6 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: #4E99A6;
  --color-base-rgb: 78 153 166;
  --color-base-oklch: oklch(64.0% 0.077 210.2);
  --color-50: #F4F9FA;
  --color-100: #E3F0F2;
  --color-200: #C8E0E5;
  --color-300: #A0C8CF;
  --color-400: #7BAEB7;
  --color-500: #5B919A;
  --color-600: #4A7177;
  --color-700: #395256;
  --color-800: #283739;
  --color-900: #1A2223;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  cadet-blue: {
    50: '#F4F9FA',
    100: '#E3F0F2',
    200: '#C8E0E5',
    300: '#A0C8CF',
    400: '#7BAEB7',
    500: '#5B919A',
    600: '#4A7177',
    700: '#395256',
    800: '#283739',
    900: '#1A2223',
  },
}

$base: #4E99A6;
$base-ink: #141310;
$base-50: #F4F9FA;
$base-100: #E3F0F2;
$base-200: #C8E0E5;
$base-300: #A0C8CF;
$base-400: #7BAEB7;
$base-500: #5B919A;
$base-600: #4A7177;
$base-700: #395256;
$base-800: #283739;
$base-900: #1A2223;
$base-hover: #3F7B85;
$base-subtle: #CCDFE2;

{
    "color": {
        "base": {
            "value": "#4E99A6",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F9FA",
                "type": "color"
            },
            "100": {
                "value": "#E3F0F2",
                "type": "color"
            },
            "200": {
                "value": "#C8E0E5",
                "type": "color"
            },
            "300": {
                "value": "#A0C8CF",
                "type": "color"
            },
            "400": {
                "value": "#7BAEB7",
                "type": "color"
            },
            "500": {
                "value": "#5B919A",
                "type": "color"
            },
            "600": {
                "value": "#4A7177",
                "type": "color"
            },
            "700": {
                "value": "#395256",
                "type": "color"
            },
            "800": {
                "value": "#283739",
                "type": "color"
            },
            "900": {
                "value": "#1A2223",
                "type": "color"
            }
        }
    }
}

Palettes built on #4E99A6

Color Lab

Pairs with #4E99A6

UI roles & guardrails

In real applications

Scales

Every model

Export