What color is #ECF3EC?

#ECF3EC is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(236, 243, 236), and in HSL hsl(120, 23%, 94%).

Is #ECF3EC accessible as text?

On white, #ECF3EC has a contrast ratio of 1.13:1 (fails WCAG AA for body text); on black it is 18.60:1 (passes). For text placed on #ECF3EC, use black for the best readability.

What is the closest Tailwind color to #ECF3EC?

The nearest Tailwind CSS token is zinc-100 (#F4F4F5).

What colors go well with #ECF3EC?

As a neutral, #ECF3EC pairs cleanly with charcoal, near-black and dark grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a soft background and let the accent carry the color.

Is #ECF3EC the same as CSS whitesmoke?

No — #ECF3EC is not the CSS named color whitesmoke, but whitesmoke (#F5F5F5) is the closest CSS named color.

#ECF3EC Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #ECF3EC

Not just a swatch — here's how #ECF3EC works with other colors. Named schemes with #ECF3EC in its natural role, and a note on why the supporting colors balance it.

Japanese Sand Base · 5 colors

Base #ECF3EC Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Isabelline 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 #ECF3EC Accent #A8C4BA Surface #E2D9BE Secondary #9AA09F Anchor #1A3648

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

Botanical Studio Lead · 5 colors

Lead #ECF3EC Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Isabelline leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Tech Product Signal · 5 colors

Signal #ECF3EC Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #F6FCF6

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #ECF3EC Secondary #F8FBF8 Support #989286 Ink #17140F

Isabelline 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 Isabelline carrying the quiet middle.

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Color Lab

How #ECF3EC 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 50/100

Neutral

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

Softness 94/100

Very high

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

Depth 4/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 27/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 18/100

Very low

Clean and current — no dusty, aged cast.

Luxury 7/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 5/100

Very low

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

UI accent fit 2/100

Very low

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

Surface fit 92/100

Very high

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

Print safety 97/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #ECF3EC

For UI

For branding

For interior

For fashion

People also use #ECF3EC with

Greige Cool White Platinum Castleton Green

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 16.5:1. Use

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

Avoid beside #ECF3EF — 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 #ECF3EC at work across the surfaces designers actually ship.

Website / UI

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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: #ECF3EC;
  --color-base-rgb: 236 243 236;
  --color-base-oklch: oklch(95.7% 0.012 145.5);
  --color-50: #F5F9F5;
  --color-100: #E6F0E6;
  --color-200: #CDE0CD;
  --color-300: #A9C6A9;
  --color-400: #86AC86;
  --color-500: #668F66;
  --color-600: #536F53;
  --color-700: #3E513E;
  --color-800: #2B362B;
  --color-900: #1B221B;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  isabelline: {
    50: '#F5F9F5',
    100: '#E6F0E6',
    200: '#CDE0CD',
    300: '#A9C6A9',
    400: '#86AC86',
    500: '#668F66',
    600: '#536F53',
    700: '#3E513E',
    800: '#2B362B',
    900: '#1B221B',
  },
}

$base: #ECF3EC;
$base-ink: #141310;
$base-50: #F5F9F5;
$base-100: #E6F0E6;
$base-200: #CDE0CD;
$base-300: #A9C6A9;
$base-400: #86AC86;
$base-500: #668F66;
$base-600: #536F53;
$base-700: #3E513E;
$base-800: #2B362B;
$base-900: #1B221B;
$base-hover: #B1CEB1;
$base-subtle: #FAFBFA;

{
    "color": {
        "base": {
            "value": "#ECF3EC",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F5",
                "type": "color"
            },
            "100": {
                "value": "#E6F0E6",
                "type": "color"
            },
            "200": {
                "value": "#CDE0CD",
                "type": "color"
            },
            "300": {
                "value": "#A9C6A9",
                "type": "color"
            },
            "400": {
                "value": "#86AC86",
                "type": "color"
            },
            "500": {
                "value": "#668F66",
                "type": "color"
            },
            "600": {
                "value": "#536F53",
                "type": "color"
            },
            "700": {
                "value": "#3E513E",
                "type": "color"
            },
            "800": {
                "value": "#2B362B",
                "type": "color"
            },
            "900": {
                "value": "#1B221B",
                "type": "color"
            }
        }
    }
}

Palettes built on #ECF3EC

Color Lab

Pairs with #ECF3EC

UI roles & guardrails

In real applications

Scales

Every model

Export