What color is #EFFBF9?

#EFFBF9 is a pale low-chroma cool gray with a subtle cool cast. In RGB it is rgb(239, 251, 249), and in HSL hsl(170, 60%, 96%).

Is #EFFBF9 accessible as text?

On white, #EFFBF9 has a contrast ratio of 1.06:1 (fails WCAG AA for body text); on black it is 19.84:1 (passes). For text placed on #EFFBF9, use black for the best readability.

What is the closest Tailwind color to #EFFBF9?

The nearest Tailwind CSS token is slate-50 (#F8FAFC).

What colors go well with #EFFBF9?

As a neutral, #EFFBF9 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 #EFFBF9 the same as CSS azure?

No — #EFFBF9 is not the CSS named color azure, but azure (#F0FFFF) is the closest CSS named color.

#EFFBF9 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #EFFBF9

Not just a swatch — here's how #EFFBF9 works with other colors. Named schemes with #EFFBF9 in its natural role, and a note on why the supporting colors balance it.

Japanese Sand Base · 5 colors

Base #EFFBF9 Surface #EDEADC Highlight #F5F2E7 Secondary #B5B19F Ink #2A2723

Alice 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.

Coastal Morning Lead · 5 colors

Lead #EFFBF9 Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Alice Blue 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 #EFFBF9 Surface #14161A Highlight #F4F6F8 Secondary #586771 Accent #F2FDFB

Alice 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 Alice Blue.

Nordic Calm Accent · 5 colors

Accent #EFFBF9 Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Alice Blue 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 #EFFBF9 Secondary #F7FBFA Support #979286 Ink #16140F

Alice 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 Alice Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #EFFBF9 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 47/100

Neutral

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

Softness 96/100

Very high

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

Depth 2/100

Very low

Airy and open — recedes, leaves the composition light.

Naturalness 7/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 14/100

Very low

Clean and current — no dusty, aged cast.

Luxury 4/100

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 94/100

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 #EFFBF9

For UI

For branding

For interior

For fashion

People also use #EFFBF9 with

Tea Green Alice Blue Lavender Blush 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 17.5:1. Use

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

Avoid beside #EFF9FB — 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 #EFFBF9 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: #EFFBF9;
  --color-base-rgb: 239 251 249;
  --color-base-oklch: oklch(97.9% 0.013 185.1);
  --color-50: #F2FCFB;
  --color-100: #DEF8F3;
  --color-200: #BEEFE6;
  --color-300: #91DED1;
  --color-400: #67CBBA;
  --color-500: #46AF9E;
  --color-600: #3C867A;
  --color-700: #2F6058;
  --color-800: #223F3A;
  --color-900: #162724;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  alice-blue: {
    50: '#F2FCFB',
    100: '#DEF8F3',
    200: '#BEEFE6',
    300: '#91DED1',
    400: '#67CBBA',
    500: '#46AF9E',
    600: '#3C867A',
    700: '#2F6058',
    800: '#223F3A',
    900: '#162724',
  },
}

$base: #EFFBF9;
$base-ink: #141310;
$base-50: #F2FCFB;
$base-100: #DEF8F3;
$base-200: #BEEFE6;
$base-300: #91DED1;
$base-400: #67CBBA;
$base-500: #46AF9E;
$base-600: #3C867A;
$base-700: #2F6058;
$base-800: #223F3A;
$base-900: #162724;
$base-hover: #A0E7DC;
$base-subtle: #FBFDFD;

{
    "color": {
        "base": {
            "value": "#EFFBF9",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F2FCFB",
                "type": "color"
            },
            "100": {
                "value": "#DEF8F3",
                "type": "color"
            },
            "200": {
                "value": "#BEEFE6",
                "type": "color"
            },
            "300": {
                "value": "#91DED1",
                "type": "color"
            },
            "400": {
                "value": "#67CBBA",
                "type": "color"
            },
            "500": {
                "value": "#46AF9E",
                "type": "color"
            },
            "600": {
                "value": "#3C867A",
                "type": "color"
            },
            "700": {
                "value": "#2F6058",
                "type": "color"
            },
            "800": {
                "value": "#223F3A",
                "type": "color"
            },
            "900": {
                "value": "#162724",
                "type": "color"
            }
        }
    }
}

Palettes built on #EFFBF9

Color Lab

Pairs with #EFFBF9

UI roles & guardrails

In real applications

Scales

Every model

Export