What color is #EFF5F3?

#EFF5F3 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(239, 245, 243), and in HSL hsl(160, 23%, 95%).

Is #EFF5F3 accessible as text?

On white, #EFF5F3 has a contrast ratio of 1.10:1 (fails WCAG AA for body text); on black it is 19.03:1 (passes). For text placed on #EFF5F3, use black for the best readability.

What is the closest Tailwind color to #EFF5F3?

The nearest Tailwind CSS token is gray-100 (#F3F4F6).

What colors go well with #EFF5F3?

As a neutral, #EFF5F3 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 #EFF5F3 the same as CSS whitesmoke?

No — #EFF5F3 is not the CSS named color whitesmoke, but whitesmoke (#F5F5F5) is the closest CSS named color.

#EFF5F3 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EFF5F3

Not just a swatch — here's how #EFF5F3 works with other colors. Named schemes with #EFF5F3 in its natural role, and a note on why the supporting colors balance it.

Japanese Sand Base · 5 colors

Base #EFF5F3 Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

White Smoke 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 #EFF5F3 Accent #A7C4BC Surface #E1D9BE Secondary #9AA0A0 Anchor #1B3549

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

Tech Product Signal · 5 colors

Signal #EFF5F3 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #F6FCFA

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

Nordic Calm Accent · 5 colors

Accent #EFF5F3 Secondary #ADB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2D3236

White Smoke 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 #F7F4EF Accent #EFF5F3 Secondary #F8FBFA Support #989286 Ink #16140F

White Smoke 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 White Smoke carrying the quiet middle.

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Color Lab

How #EFF5F3 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 49/100

Neutral

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

Softness 95/100

Very high

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

Depth 3/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 11/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 14/100

Very low

Clean and current — no dusty, aged cast.

Luxury 6/100

Very low

Playful and accessible rather than exclusive.

Brand distinctiveness 3/100

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 95/100

Very high

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

Print safety 99/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #EFF5F3

For UI

For branding

For interior

For fashion

People also use #EFF5F3 with

Greige Cool White Isabelline 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 16.8:1. Use

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

Avoid beside #EFF5F5 — 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 #EFF5F3 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: #EFF5F3;
  --color-base-rgb: 239 245 243;
  --color-base-oklch: oklch(96.5% 0.007 174.4);
  --color-50: #F5F9F8;
  --color-100: #E6F0EC;
  --color-200: #CDE0D9;
  --color-300: #A9C6BD;
  --color-400: #86AC9F;
  --color-500: #668F81;
  --color-600: #536F66;
  --color-700: #3E514A;
  --color-800: #2B3632;
  --color-900: #1B2220;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  white-smoke: {
    50: '#F5F9F8',
    100: '#E6F0EC',
    200: '#CDE0D9',
    300: '#A9C6BD',
    400: '#86AC9F',
    500: '#668F81',
    600: '#536F66',
    700: '#3E514A',
    800: '#2B3632',
    900: '#1B2220',
  },
}

$base: #EFF5F3;
$base-ink: #141310;
$base-50: #F5F9F8;
$base-100: #E6F0EC;
$base-200: #CDE0D9;
$base-300: #A9C6BD;
$base-400: #86AC9F;
$base-500: #668F81;
$base-600: #536F66;
$base-700: #3E514A;
$base-800: #2B3632;
$base-900: #1B2220;
$base-hover: #B4D0C6;
$base-subtle: #FBFCFB;

{
    "color": {
        "base": {
            "value": "#EFF5F3",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F9F8",
                "type": "color"
            },
            "100": {
                "value": "#E6F0EC",
                "type": "color"
            },
            "200": {
                "value": "#CDE0D9",
                "type": "color"
            },
            "300": {
                "value": "#A9C6BD",
                "type": "color"
            },
            "400": {
                "value": "#86AC9F",
                "type": "color"
            },
            "500": {
                "value": "#668F81",
                "type": "color"
            },
            "600": {
                "value": "#536F66",
                "type": "color"
            },
            "700": {
                "value": "#3E514A",
                "type": "color"
            },
            "800": {
                "value": "#2B3632",
                "type": "color"
            },
            "900": {
                "value": "#1B2220",
                "type": "color"
            }
        }
    }
}

Palettes built on #EFF5F3

Color Lab

Pairs with #EFF5F3

UI roles & guardrails

In real applications

Scales

Every model

Export