#EFFFFF#EFFFFF

#EFFFFF is a very light, near-neutral teal. Relative luminance 0.971; OKLCH L 98.8% C 0.017 H 196.9°. Best body text is #000000 at 20.42:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFFF
RGB	rgb(239, 255, 255)
HSL	hsl(180, 100%, 97%)
HSV	hsv(180, 6%, 100%)
CMYK	cmyk(6.3%, 0%, 0%, 0%)
CIE-LAB	lab(98.86, -5.20, -1.80)
CIE-LCH	lch(98.86, 5.50, 199.06°)
OKLab	oklab(98.82% -0.016 -0.0049)
OKLCH	oklch(98.82% 0.017 196.9)
XYZ	xyz(89.4028, 97.0897, 108.6184)
Luminance	0.9709 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFFF #FFEFEF

analogous

#EFFFF7 #EFFFFF #EFF7FF

triadic

#EFFFFF #FFEFFF #FFFFEF

tetradic

#EFFFFF #F7EFFF #FFEFEF #F7FFEF

square

#EFFFFF #F7EFFF #FFEFEF #F7FFEF

split-complementary

#EFFFFF #FFEFF7 #FFF7EF

monochromatic

#75FFFF #B2FFFF #E0FFFF #E0FFFF #E0FFFF

Accessibility & contrast

On white

1.03

#EFFFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.42

#EFFFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFFF

20.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFFF	#FFFFFF	#000000	##000000
##EFFFFF	1.00	1.03	20.42	20.42
#FFFFFF	1.03	1.00	21.00	21.00
#000000	20.42	21.00	1.00	1.00
##000000	20.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDFDFF

Deuteranopia (green-blind)

#F9FBFF

Tritanopia (blue-blind)

#EBFFFF

Achromatopsia (no color)

#FCFCFC

Design tokens & code

CSS

--color: #efffff;
/* rgb */ color: rgb(239, 255, 255);
/* oklch */ color: oklch(98.8% 0.017 196.9);

Tailwind

colors: {
  custom: {
    50: '#f4ffff',
    500: '#efffff',
    950: '#000000',
  },
}

SCSS

$custom: #efffff;
$custom-light: #f4ffff;
$custom-dark: #000000;

JSON

{
  "hex": "#efffff",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 255
  },
  "hsl": {
    "h": 180,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98824,
    "c": 0.01675,
    "h": 196.9
  },
  "luminance": 0.97091
}

Semantic roles & 50–950 ramp

primary

#EFFFFF

secondary

#EFA3A3

accent

#0000E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171818

muted

#858686

Preview Lab

Preview with #EFFFFF

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

Preview Lab → · Contrast checker → · Palette generator →