#EFF9FA

Accessibility

AAA

19.6:1

Vs white / black

1.07:1 · 19.6:1

Sources

Library color

Codes

Formats

HEX

#eff9fa

RGB

rgb(239, 249, 250)

RGBA

rgba(239, 249, 250, 1)

HSL

hsl(185, 52%, 96%)

HSLA

hsla(185, 52%, 96%, 1)

HSV

hsv(185, 4%, 98%)

LAB

lab(97.23% -3.1 -1.62)

LCH

lch(97.23% 3.5 207.59)

OKLAB

oklab(0.9749 -0.0097 -0.0044)

OKLCH

oklch(0.9749 0.0107 204.4)

XYZ

xyz(86.72, 93.00, 103.81)

CMYK

cmyk(4%, 0%, 0%, 2%)

CSS

color: #eff9fa;

CSS variable

--color-eff9fa: #eff9fa;

SCSS

$color-eff9fa: #eff9fa;

JavaScript

const color = "#eff9fa";

TypeScript

const color: string = "#eff9fa";

React

style={{ backgroundColor: "#eff9fa" }}

JSON

{ "hex": "#eff9fa", "rgb": { "r": 239, "g": 249, "b": 250 }, "oklch": "oklch(0.9749 0.0107 204.4)" }

Export

Developer code

css

:root {
  --#eff9fa-1: #eff9fa;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

teal-50

Noticeably different · ΔE 2.6 · #F0FDFA

Nearest CSS named color

Azure

Noticeably different · ΔE 2.33 · #F0FFFF

Nearest Material color

blue-grey-50

Noticeably different · ΔE 3.72 · #ECEFF1

Nearest Bootstrap color

light

Noticeably different · ΔE 4.08 · #F8F9FA

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50e7f9fb 100d9ecee 200c6d8da 300b0c2c4 40094a5a7 500798a8c 600637475 7004d5d5f 800374749 900233234 9500f1d1f

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

feffff fcfefe fbfefe fafdfd f8fdfd f7fcfd f6fbfc f4fbfc f3fbfb f2fafb f0fafa eff9fa dbe4e5 c7d0d0 b3bbbc 9fa6a7 8b9192 787d7d 646868 505353 3c3e3f 28292a 141515

Palette

Tints

Mixed toward white — soft backgrounds and highlights

feffff fcfefe fbfefe fafdfd f8fdfd f7fcfd f6fbfc f4fbfc f3fbfb f2fafb f0fafa

Palette

Shades

Mixed toward black — depth, text, and emphasis

dbe4e5 c7d0d0 b3bbbc 9fa6a7 8b9192 787d7d 646868 505353 3c3e3f 28292a 141515

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

e6eff0 dde5e6 d3dbdc cad1d1 c1c7c7 b8bdbd aeb2b3 a5a8a9 9c9e9f 939494 898a8a

Harmony

Complementary

Opposite on the color wheel for contrast

#EFF9FAStop 1 #FAF0EFStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#EFFAF6Stop 1 #EFF9FAStop 2 #EFF4FAStop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#EFF9FAStop 1 #FAEFF9Stop 2 #F9FAEFStop 3

Harmony

Split complementary

Base plus two accents beside the complement

#EFF9FAStop 1 #FAEFF4Stop 2 #FAF6EFStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#18494EStop 1 #2B8088Stop 2 #3DB7C2Stop 3 #77CCD4Stop 4 #B1E2E7Stop 5

Using this color

Where #eff9fa works

#EFF9FA (#eff9fa) sits in the cyan family at about 185° hue, 52% saturation, and 96% lightness. Contrast is 1.07:1 on white and 19.6:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: teal-50 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

page or card backgrounds
text or icons on charcoal / dark mode

Do not use #eff9fa as small body text on white — 1.07:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Family context: Freshness, clarity, and innovation. Great for tech accents and clean digital products. Common uses still include buttons, charts, and accents in the Cyan range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Azure#F0FFFF Tailwind teal 50#F0FDFA Tailwind sky 50#F0F9FF Clouds#ECF0F1 Tailwind cyan 50#ECFEFF MintCream#F5FFFA AliceBlue#F0F8FF Tailwind slate 100#F1F5F9 Material Blue Grey 50#ECEFF1 Tailwind slate 50#F8FAFC Material Teal 50#E0F2F1 Bootstrap light#F8F9FA

Where #eff9fa works

Sensible jobs for this swatch

page or card backgrounds

text or icons on charcoal / dark mode

Do not use #eff9fa as small body text on white — 1.07:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.