#EFFFFB#EFFFFB

#EFFFFB is a very light, near-neutral teal. Relative luminance 0.968; OKLCH L 98.7% C 0.018 H 179.3°. Best body text is #000000 at 20.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFFFFB
RGB	rgb(239, 255, 251)
HSL	hsl(165, 100%, 97%)
HSV	hsv(165, 6%, 100%)
CMYK	cmyk(6.3%, 0%, 1.6%, 0%)
CIE-LAB	lab(98.76, -5.93, 0.11)
CIE-LCH	lch(98.76, 5.94, 178.95°)
OKLab	oklab(98.71% -0.0175 0.0002)
OKLCH	oklch(98.71% 0.018 179.3)
XYZ	xyz(88.7656, 96.8349, 105.2625)
Luminance	0.9684 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFFFB #FFEFF3

analogous

#EFFFF3 #EFFFFB #EFFBFF

triadic

#EFFFFB #FBEFFF #FFFBEF

tetradic

#EFFFFB #F3EFFF #FFEFF3 #FBFFEF

square

#EFFFFB #F3EFFF #FFEFF3 #FBFFEF

split-complementary

#EFFFFB #FFEFFB #FFF3EF

monochromatic

#75FFDC #B2FFEC #E0FFF7 #E0FFF7 #E0FFF7

Accessibility & contrast

On white

1.03

#EFFFFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

20.37

#EFFFFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFFFB

20.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFFFB	#FFFFFF	#000000	##000000
##EFFFFB	1.00	1.03	20.37	20.37
#FFFFFF	1.03	1.00	21.00	21.00
#000000	20.37	21.00	1.00	1.00
##000000	20.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDFDFB

Deuteranopia (green-blind)

#FAFAFB

Tritanopia (blue-blind)

#EBFFFE

Achromatopsia (no color)

#FBFBFB

Design tokens & code

CSS

--color: #effffb;
/* rgb */ color: rgb(239, 255, 251);
/* oklch */ color: oklch(98.7% 0.018 179.3);

Tailwind

colors: {
  custom: {
    50: '#f4fffc',
    500: '#effffb',
    950: '#000000',
  },
}

SCSS

$custom: #effffb;
$custom-light: #f4fffc;
$custom-dark: #000000;

JSON

{
  "hex": "#effffb",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 251
  },
  "hsl": {
    "h": 165,
    "s": 100,
    "l": 96.863
  },
  "oklch": {
    "l": 0.98711,
    "c": 0.01754,
    "h": 179.3
  },
  "luminance": 0.96836
}

Semantic roles & 50–950 ramp

primary

#EFFFFB

secondary

#EFA3B6

accent

#0039E6

background

#FFFFFF

surface

#FEFFFF

border

#D6D7D7

text

#171817

muted

#858685

Preview Lab

Preview with #EFFFFB

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

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