What color is #C9ECDF?

#C9ECDF is a pale, soft teal-green. In RGB it is rgb(201, 236, 223), and in HSL hsl(158, 48%, 86%).

Is #C9ECDF accessible as text?

On white, #C9ECDF has a contrast ratio of 1.27:1 (fails WCAG AA for body text); on black it is 16.55:1 (passes). For text placed on #C9ECDF, use black for the best readability.

What is the closest Tailwind color to #C9ECDF?

The nearest Tailwind CSS token is emerald-100 (#D0FAE5).

What colors go well with #C9ECDF?

#C9ECDF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #ECCAD7. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #C9ECDF below.

Is #C9ECDF good for buttons?

#C9ECDF works well for buttons and highlights, but use black text on #C9ECDF — white text only reaches 1.27:1, below the 4.5:1 needed for normal-size labels.

Is #C9ECDF the same as CSS paleturquoise?

No — #C9ECDF is not the CSS named color paleturquoise, but paleturquoise (#AFEEEE) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#C9ECDF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #C9ECDF

Not just a swatch — here's how #C9ECDF works with other colors. Named schemes with #C9ECDF in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #C9ECDF Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

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

Japanese Sand Base · 5 colors

Base #C9ECDF Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

Seafoam 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.

Coastal Morning Lead · 5 colors

Lead #C9ECDF Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #C9ECDF Secondary #F1FDF9 Support #989286 Ink #16140F

Seafoam 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 Seafoam carrying the quiet middle.

Tech Product Signal · 5 colors

Signal #C9ECDF Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #E3FFF7

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

Build a working theme in the generator →

Color Lab

How #C9ECDF 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 44/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 85/100

Very high

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

Depth 8/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 28/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 23/100

Low

Clean and current — no dusty, aged cast.

Luxury 13/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 16/100

Very low

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

UI accent fit 5/100

Very low

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

Surface fit 80/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #C9ECDF

For UI

For branding

For interior

For fashion

People also use #C9ECDF with

Tea Green Gainsboro Rose Quartz 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 14.6:1. Use

Subtle surface Use #F5FAF9 for cards and hover fills. Tint 80

Avoid beside #CAECEB — 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 #C9ECDF 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: #C9ECDF;
  --color-base-rgb: 201 236 223;
  --color-base-oklch: oklch(91.4% 0.041 170.9);
  --color-50: #F3FBF8;
  --color-100: #E0F5ED;
  --color-200: #C3EADB;
  --color-300: #99D7C0;
  --color-400: #71C1A4;
  --color-500: #50A586;
  --color-600: #437F69;
  --color-700: #345B4D;
  --color-800: #253C34;
  --color-900: #182520;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  seafoam: {
    50: '#F3FBF8',
    100: '#E0F5ED',
    200: '#C3EADB',
    300: '#99D7C0',
    400: '#71C1A4',
    500: '#50A586',
    600: '#437F69',
    700: '#345B4D',
    800: '#253C34',
    900: '#182520',
  },
}

$base: #C9ECDF;
$base-ink: #141310;
$base-50: #F3FBF8;
$base-100: #E0F5ED;
$base-200: #C3EADB;
$base-300: #99D7C0;
$base-400: #71C1A4;
$base-500: #50A586;
$base-600: #437F69;
$base-700: #345B4D;
$base-800: #253C34;
$base-900: #182520;
$base-hover: #89D6BA;
$base-subtle: #F0F8F5;

{
    "color": {
        "base": {
            "value": "#C9ECDF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3FBF8",
                "type": "color"
            },
            "100": {
                "value": "#E0F5ED",
                "type": "color"
            },
            "200": {
                "value": "#C3EADB",
                "type": "color"
            },
            "300": {
                "value": "#99D7C0",
                "type": "color"
            },
            "400": {
                "value": "#71C1A4",
                "type": "color"
            },
            "500": {
                "value": "#50A586",
                "type": "color"
            },
            "600": {
                "value": "#437F69",
                "type": "color"
            },
            "700": {
                "value": "#345B4D",
                "type": "color"
            },
            "800": {
                "value": "#253C34",
                "type": "color"
            },
            "900": {
                "value": "#182520",
                "type": "color"
            }
        }
    }
}

Palettes built on #C9ECDF

Color Lab

Pairs with #C9ECDF

UI roles & guardrails

In real applications

Scales

Every model

Export