#66EFEB#66EFEB

#66EFEB is a very light, moderate teal. Relative luminance 0.706; OKLCH L 87.6% C 0.119 H 192.5°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#66EFEB
RGB	rgb(102, 239, 235)
HSL	hsl(178, 81%, 67%)
HSV	hsv(178, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 1.7%, 6.3%)
CIE-LAB	lab(87.27, -37.93, -9.30)
CIE-LCH	lch(87.27, 39.05, 193.78°)
OKLab	oklab(87.61% -0.1161 -0.0258)
OKLCH	oklch(87.61% 0.119 192.5)
XYZ	xyz(51.3349, 70.5507, 89.4934)
Luminance	0.7056 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFEB #EF666A

analogous

#66EFA7 #66EFEB #66AFEF

triadic

#66EFEB #EB66EF #EFEB66

tetradic

#66EFEB #A766EF #EF666A #AFEF66

square

#66EFEB #A766EF #EF666A #AFEF66

split-complementary

#66EFEB #EF66AF #EFA766

monochromatic

#15C6C1 #2FE9E4 #66EFEB #9DF5F2 #D5FBF9

Accessibility & contrast

On white

1.39

#66EFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#66EFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFEB

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFEB	#FFFFFF	#000000	##000000
##66EFEB	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E4EB

Deuteranopia (green-blind)

#CCD4EC

Tritanopia (blue-blind)

#00F5ED

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66efeb;
/* rgb */ color: rgb(102, 239, 235);
/* oklch */ color: oklch(87.6% 0.119 192.5);

Tailwind

colors: {
  custom: {
    50: '#9ff4f1',
    500: '#66efeb',
    950: '#000000',
  },
}

SCSS

$custom: #66efeb;
$custom-light: #9ff4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66efeb",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 235
  },
  "hsl": {
    "h": 178.248,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87608,
    "c": 0.11896,
    "h": 192.5
  },
  "luminance": 0.70556
}

Semantic roles & 50–950 ramp

primary

#66EFEB

secondary

#C3363A

accent

#080EDD

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66EFEB

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

Preview Lab → · Contrast checker → · Palette generator →