#EFFEFF#EFFEFF

#EFFEFF is a very light, near-neutral teal. Relative luminance 0.965; OKLCH L 98.6% C 0.016 H 201.7°. Best body text is #000000 at 20.29:1 contrast (WCAG AA passes).

Color values

HEX	#EFFEFF
RGB	rgb(239, 254, 255)
HSL	hsl(184, 100%, 97%)
HSV	hsv(184, 6%, 100%)
CMYK	cmyk(6.3%, 0.4%, 0%, 0%)
CIE-LAB	lab(98.61, -4.70, -2.17)
CIE-LCH	lch(98.61, 5.17, 204.74°)
OKLab	oklab(98.63% -0.0147 -0.0058)
OKLCH	oklch(98.63% 0.016 201.7)
XYZ	xyz(89.0847, 96.4534, 108.5124)
Luminance	0.9645 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFEFF #FFF0EF

analogous

#EFFFF8 #EFFEFF #EFF6FF

triadic

#EFFEFF #FFEFFE #FEFFEF

tetradic

#EFFEFF #F8EFFF #FFF0EF #F6FFEF

square

#EFFEFF #F8EFFF #FFF0EF #F6FFEF

split-complementary

#EFFEFF #FFEFF6 #FFF8EF

monochromatic

#75F6FF #B2FAFF #E0FDFF #E0FDFF #E0FDFF

Accessibility & contrast

On white

1.03

#EFFEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.29

#EFFEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFEFF

20.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFEFF	#FFFFFF	#000000	##000000
##EFFEFF	1.00	1.03	20.29	20.29
#FFFFFF	1.03	1.00	21.00	21.00
#000000	20.29	21.00	1.00	1.00
##000000	20.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCFCFF

Deuteranopia (green-blind)

#F8FAFF

Tritanopia (blue-blind)

#EBFFFE

Achromatopsia (no color)

#FBFBFB

Design tokens & code

CSS

--color: #effeff;
/* rgb */ color: rgb(239, 254, 255);
/* oklch */ color: oklch(98.6% 0.016 201.7);

Tailwind

colors: {
  custom: {
    50: '#f4feff',
    500: '#effeff',
    950: '#000000',
  },
}

SCSS

$custom: #effeff;
$custom-light: #f4feff;
$custom-dark: #000000;

JSON

{
  "hex": "#effeff",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 255
  },
  "hsl": {
    "h": 183.75,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98625,
    "c": 0.0158,
    "h": 201.7
  },
  "luminance": 0.96454
}

Semantic roles & 50–950 ramp

primary

#EFFEFF

secondary

#EFA8A3

accent

#0E00E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171718

muted

#858586

Preview Lab

Preview with #EFFEFF

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

Preview Lab → · Contrast checker → · Palette generator →