#EFFDFF#EFFDFF

#EFFDFF is a very light, near-neutral teal. Relative luminance 0.958; OKLCH L 98.4% C 0.015 H 207.1°. Best body text is #000000 at 20.16:1 contrast (WCAG AA passes).

Color values

HEX	#EFFDFF
RGB	rgb(239, 253, 255)
HSL	hsl(188, 100%, 97%)
HSV	hsv(188, 6%, 100%)
CMYK	cmyk(6.3%, 0.8%, 0%, 0%)
CIE-LAB	lab(98.36, -4.20, -2.53)
CIE-LCH	lch(98.36, 4.90, 211.13°)
OKLab	oklab(98.43% -0.0133 -0.0068)
OKLCH	oklch(98.43% 0.015 207.1)
XYZ	xyz(88.7682, 95.8204, 108.4069)
Luminance	0.9582 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFDFF #FFF1EF

analogous

#EFFFF9 #EFFDFF #EFF5FF

triadic

#EFFDFF #FFEFFD #FDFFEF

tetradic

#EFFDFF #F9EFFF #FFF1EF #F5FFEF

square

#EFFDFF #F9EFFF #FFF1EF #F5FFEF

split-complementary

#EFFDFF #FFEFF5 #FFF9EF

monochromatic

#75EEFF #B2F5FF #E0FBFF #E0FBFF #E0FBFF

Accessibility & contrast

On white

1.04

#EFFDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.16

#EFFDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFDFF

20.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFDFF	#FFFFFF	#000000	##000000
##EFFDFF	1.00	1.04	20.16	20.16
#FFFFFF	1.04	1.00	21.00	21.00
#000000	20.16	21.00	1.00	1.00
##000000	20.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBFCFF

Deuteranopia (green-blind)

#F8F9FF

Tritanopia (blue-blind)

#EBFEFE

Achromatopsia (no color)

#FAFAFA

Design tokens & code

CSS

--color: #effdff;
/* rgb */ color: rgb(239, 253, 255);
/* oklch */ color: oklch(98.4% 0.015 207.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#effdff",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 255
  },
  "hsl": {
    "h": 187.5,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98427,
    "c": 0.01496,
    "h": 207.1
  },
  "luminance": 0.95821
}

Semantic roles & 50–950 ramp

primary

#EFFDFF

secondary

#EFADA3

accent

#1D00E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171718

muted

#858586

Preview Lab

Preview with #EFFDFF

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

Preview Lab → · Contrast checker → · Palette generator →