#EFFAFF#EFFAFF

#EFFAFF is a very light, near-neutral cyan. Relative luminance 0.939; OKLCH L 97.8% C 0.013 H 226.5°. Best body text is #000000 at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFFAFF
RGB	rgb(239, 250, 255)
HSL	hsl(199, 100%, 97%)
HSV	hsv(199, 6%, 100%)
CMYK	cmyk(6.3%, 2%, 0%, 0%)
CIE-LAB	lab(97.61, -2.68, -3.64)
CIE-LCH	lch(97.61, 4.52, 233.60°)
OKLab	oklab(97.84% -0.0092 -0.0097)
OKLCH	oklch(97.84% 0.013 226.5)
XYZ	xyz(87.8285, 93.9412, 108.0937)
Luminance	0.9394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFAFF #FFF4EF

analogous

#EFFFFC #EFFAFF #EFF2FF

triadic

#EFFAFF #FFEFFA #FAFFEF

tetradic

#EFFAFF #FCEFFF #FFF4EF #F2FFEF

square

#EFFAFF #FCEFFF #FFF4EF #F2FFEF

split-complementary

#EFFAFF #FFEFF2 #FFFCEF

monochromatic

#75D4FF #B2E7FF #E0F5FF #E0F5FF #E0F5FF

Accessibility & contrast

On white

1.06

#EFFAFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.79

#EFFAFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFAFF

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFAFF	#FFFFFF	#000000	##000000
##EFFAFF	1.00	1.06	19.79	19.79
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.79	21.00	1.00	1.00
##000000	19.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7F9FF

Deuteranopia (green-blind)

#F5F7FF

Tritanopia (blue-blind)

#EBFCFB

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #effaff;
/* rgb */ color: rgb(239, 250, 255);
/* oklch */ color: oklch(97.8% 0.013 226.5);

Tailwind

colors: {
  custom: {
    50: '#f4fcff',
    500: '#effaff',
    950: '#000000',
  },
}

SCSS

$custom: #effaff;
$custom-light: #f4fcff;
$custom-dark: #000000;

JSON

{
  "hex": "#effaff",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 255
  },
  "hsl": {
    "h": 198.75,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.97835,
    "c": 0.01343,
    "h": 226.5
  },
  "luminance": 0.93942
}

Semantic roles & 50–950 ramp

primary

#EFFAFF

secondary

#EFBBA3

accent

#4800E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171718

muted

#858586

Preview Lab

Preview with #EFFAFF

Body copy rendered with the generated semantic roles for this colour.

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