What color is #6DC9D9?

#6DC9D9 is a light, soft cyan. In RGB it is rgb(109, 201, 217), and in HSL hsl(189, 59%, 64%).

Is #6DC9D9 accessible as text?

On white, #6DC9D9 has a contrast ratio of 1.91:1 (fails WCAG AA for body text); on black it is 11.01:1 (passes). For text placed on #6DC9D9, use black for the best readability.

What is the closest Tailwind color to #6DC9D9?

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

What colors go well with #6DC9D9?

#6DC9D9 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #D97D6D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #6DC9D9 below.

Is #6DC9D9 good for buttons?

#6DC9D9 works well for buttons and highlights, but use black text on #6DC9D9 — white text only reaches 1.91:1, below the 4.5:1 needed for normal-size labels.

Is #6DC9D9 the same as CSS skyblue?

No — #6DC9D9 is not the CSS named color skyblue, but skyblue (#87CEEB) is the closest CSS named color.

#6DC9D9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #6DC9D9

Not just a swatch — here's how #6DC9D9 works with other colors. Named schemes with #6DC9D9 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #6DC9D9 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Lagoon 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 #6DC9D9 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1D3549

Lagoon 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 #6DC9D9 Surface #ECEADC Highlight #F4F2E7 Secondary #B4B19F Ink #2A2723

Lagoon 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 #6DC9D9 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #9EEFFE

Lagoon 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 Lagoon Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #6DC9D9 Secondary #CFECF2 Support #979286 Ink #16140F

Lagoon 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 Lagoon Blue carrying the quiet middle.

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Color Lab

How #6DC9D9 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 25/100

Cool

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

Softness 66/100

High

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

Depth 21/100

Low

Airy and open — recedes, leaves the composition light.

Naturalness 5/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 39/100

Low

A faint retro warmth without tipping into sepia.

Luxury 29/100

Low

Understated — leans refined without going austere.

Brand distinctiveness 35/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 29/100

Low

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

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #6DC9D9

For UI

For branding

For interior

For fashion

People also use #6DC9D9 with

Seafoam Green Cornflower 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 9.7:1. Use

Subtle surface Use #E5F2F4 for cards and hover fills. Tint 80

Avoid beside #6DA5D9 — 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 #6DC9D9 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: #6DC9D9;
  --color-base-rgb: 109 201 217;
  --color-base-oklch: oklch(78.5% 0.090 210.1);
  --color-50: #F2FBFC;
  --color-100: #DEF4F7;
  --color-200: #BEE7EE;
  --color-300: #92D2DE;
  --color-400: #68BBCA;
  --color-500: #469FAE;
  --color-600: #3C7B86;
  --color-700: #30585F;
  --color-800: #223A3F;
  --color-900: #172427;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  lagoon-blue: {
    50: '#F2FBFC',
    100: '#DEF4F7',
    200: '#BEE7EE',
    300: '#92D2DE',
    400: '#68BBCA',
    500: '#469FAE',
    600: '#3C7B86',
    700: '#30585F',
    800: '#223A3F',
    900: '#172427',
  },
}

$base: #6DC9D9;
$base-ink: #141310;
$base-50: #F2FBFC;
$base-100: #DEF4F7;
$base-200: #BEE7EE;
$base-300: #92D2DE;
$base-400: #68BBCA;
$base-500: #469FAE;
$base-600: #3C7B86;
$base-700: #30585F;
$base-800: #223A3F;
$base-900: #172427;
$base-hover: #39B6CC;
$base-subtle: #D7ECF0;

{
    "color": {
        "base": {
            "value": "#6DC9D9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FBFC",
                "type": "color"
            },
            "100": {
                "value": "#DEF4F7",
                "type": "color"
            },
            "200": {
                "value": "#BEE7EE",
                "type": "color"
            },
            "300": {
                "value": "#92D2DE",
                "type": "color"
            },
            "400": {
                "value": "#68BBCA",
                "type": "color"
            },
            "500": {
                "value": "#469FAE",
                "type": "color"
            },
            "600": {
                "value": "#3C7B86",
                "type": "color"
            },
            "700": {
                "value": "#30585F",
                "type": "color"
            },
            "800": {
                "value": "#223A3F",
                "type": "color"
            },
            "900": {
                "value": "#172427",
                "type": "color"
            }
        }
    }
}