What color is #66ABB7?

#66ABB7 is a medium cyan. In RGB it is rgb(102, 171, 183), and in HSL hsl(189, 36%, 56%).

Is #66ABB7 accessible as text?

On white, #66ABB7 has a contrast ratio of 2.60:1 (fails WCAG AA for body text); on black it is 8.07:1 (passes). For text placed on #66ABB7, use black for the best readability.

What is the closest Tailwind color to #66ABB7?

The nearest Tailwind CSS token is mist-400 (#9CA8AB).

What colors go well with #66ABB7?

#66ABB7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B77366. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #66ABB7 below.

Is #66ABB7 good for buttons?

#66ABB7 works well for buttons and highlights, but use black text on #66ABB7 — white text only reaches 2.60:1, below the 4.5:1 needed for normal-size labels.

Is #66ABB7 the same as CSS cadetblue?

No — #66ABB7 is not the CSS named color cadetblue, but cadetblue (#5F9EA0) is the closest CSS named color.

#66ABB7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #66ABB7

Not just a swatch — here's how #66ABB7 works with other colors. Named schemes with #66ABB7 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #66ABB7 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Verdigris 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 #66ABB7 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Verdigris 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 #66ABB7 Surface #ECEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Verdigris 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 #66ABB7 Surface #14161A Highlight #F4F6F8 Secondary #596671 Accent #92D0DB

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #66ABB7 Secondary #B9CFD4 Support #979286 Ink #16140F

Verdigris 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 Verdigris carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #66ABB7 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 30/100

Cool

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

Softness 62/100

High

Middle-weight — neither delicate nor heavy.

Depth 29/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 4/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 36/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 28/100

Low

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

UI accent fit 50/100

Moderate

Workable accent with care around contrast.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 81/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #66ABB7

For UI

For branding

For interior

For fashion

People also use #66ABB7 with

Medium Aquamarine Glaucous Rose Gold 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 7.1:1. Use

Subtle surface Use #E3EDEE for cards and hover fills. Tint 80

Avoid beside #6690B7 — 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 #66ABB7 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: #66ABB7;
  --color-base-rgb: 102 171 183;
  --color-base-oklch: oklch(70.0% 0.072 209.8);
  --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: {
  verdigris: {
    50: '#F4F9FA',
    100: '#E3F0F2',
    200: '#C8E0E5',
    300: '#A0C8CF',
    400: '#7BAEB7',
    500: '#5B919A',
    600: '#4A7177',
    700: '#395256',
    800: '#283739',
    900: '#1A2223',
  },
}

$base: #66ABB7;
$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: #498F9B;
$base-subtle: #D4E4E7;

{
    "color": {
        "base": {
            "value": "#66ABB7",
            "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 #66ABB7

Color Lab

Pairs with #66ABB7

UI roles & guardrails

In real applications

Scales

Every model

Export