What color is #18D2CC?

#18D2CC is a medium, vivid cyan. In RGB it is rgb(24, 210, 204), and in HSL hsl(178, 79%, 46%).

Is #18D2CC accessible as text?

On white, #18D2CC has a contrast ratio of 1.89:1 (fails WCAG AA for body text); on black it is 11.13:1 (passes). For text placed on #18D2CC, use black for the best readability.

What is the closest Tailwind color to #18D2CC?

The nearest Tailwind CSS token is teal-400 (#00D5BE).

What colors go well with #18D2CC?

#18D2CC pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D2191F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #18D2CC below.

Is #18D2CC good for buttons?

#18D2CC works well for buttons and highlights, but use black text on #18D2CC — white text only reaches 1.89:1, below the 4.5:1 needed for normal-size labels.

Is #18D2CC the same as CSS darkturquoise?

No — #18D2CC is not the CSS named color darkturquoise, but darkturquoise (#00CED1) is the closest CSS named color.

#18D2CC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #18D2CC

Not just a swatch — here's how #18D2CC works with other colors. Named schemes with #18D2CC in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #18D2CC Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Dark 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 #18D2CC Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

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

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #18D2CC Secondary #C3EFEC Support #979286 Ink #16140F

Dark 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 Dark Turquoise carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #18D2CC Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #71F8F1

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

Modern Café Dominant · 5 colors

Dominant #18D2CC Anchor #382B1E Surface #ECE4D0 Accent #819C71 Secondary #3A3833

Dark Turquoise 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 #18D2CC 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 20/100

Cool

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

Softness 59/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 22/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 19/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 32/100

Low

A faint retro warmth without tipping into sepia.

Luxury 29/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 51/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 33/100

Low

Workable accent with care around contrast.

Surface fit 39/100

Low

Usable as a tinted surface in measured doses.

Print safety 68/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #18D2CC

For UI

For branding

For interior

For fashion

People also use #18D2CC with

Malachite True Blue Fire Engine Red 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 9.8:1. Use

Subtle surface Use #D4F3F2 for cards and hover fills. Tint 80

Avoid beside #199AD2 — 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 #18D2CC 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: #18D2CC;
  --color-base-rgb: 24 210 204;
  --color-base-oklch: oklch(78.1% 0.132 191.1);
  --color-50: #F1FEFE;
  --color-100: #DAFCFB;
  --color-200: #B6F6F4;
  --color-300: #85EBE7;
  --color-400: #58DAD6;
  --color-500: #35C0BB;
  --color-600: #30928F;
  --color-700: #286765;
  --color-800: #1D4342;
  --color-900: #142929;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  dark-turquoise: {
    50: '#F1FEFE',
    100: '#DAFCFB',
    200: '#B6F6F4',
    300: '#85EBE7',
    400: '#58DAD6',
    500: '#35C0BB',
    600: '#30928F',
    700: '#286765',
    800: '#1D4342',
    900: '#142929',
  },
}

$base: #18D2CC;
$base-ink: #141310;
$base-50: #F1FEFE;
$base-100: #DAFCFB;
$base-200: #B6F6F4;
$base-300: #85EBE7;
$base-400: #58DAD6;
$base-500: #35C0BB;
$base-600: #30928F;
$base-700: #286765;
$base-800: #1D4342;
$base-900: #142929;
$base-hover: #14A8A3;
$base-subtle: #BDEEED;

{
    "color": {
        "base": {
            "value": "#18D2CC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FEFE",
                "type": "color"
            },
            "100": {
                "value": "#DAFCFB",
                "type": "color"
            },
            "200": {
                "value": "#B6F6F4",
                "type": "color"
            },
            "300": {
                "value": "#85EBE7",
                "type": "color"
            },
            "400": {
                "value": "#58DAD6",
                "type": "color"
            },
            "500": {
                "value": "#35C0BB",
                "type": "color"
            },
            "600": {
                "value": "#30928F",
                "type": "color"
            },
            "700": {
                "value": "#286765",
                "type": "color"
            },
            "800": {
                "value": "#1D4342",
                "type": "color"
            },
            "900": {
                "value": "#142929",
                "type": "color"
            }
        }
    }
}