#66F0EB#66F0EB

#66F0EB is a very light, moderate teal. Relative luminance 0.711; OKLCH L 87.8% C 0.120 H 191.9°. Best body text is #000000 at 15.23:1 contrast (WCAG AA passes).

Color values

HEX	#66F0EB
RGB	rgb(102, 240, 235)
HSL	hsl(178, 82%, 67%)
HSV	hsv(178, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 2.1%, 5.9%)
CIE-LAB	lab(87.55, -38.38, -8.87)
CIE-LCH	lch(87.55, 39.39, 193.02°)
OKLab	oklab(87.84% -0.1171 -0.0247)
OKLCH	oklch(87.84% 0.12 191.9)
XYZ	xyz(51.6284, 71.1378, 89.5913)
Luminance	0.7114 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F0EB #F0666B

analogous

#66F0A6 #66F0EB #66B0F0

triadic

#66F0EB #EB66F0 #F0EB66

tetradic

#66F0EB #A666F0 #F0666B #B0F066

square

#66F0EB #A666F0 #F0666B #B0F066

split-complementary

#66F0EB #F066B0 #F0A666

monochromatic

#14C8C1 #2EEBE4 #66F0EB #9EF5F2 #D5FBFA

Accessibility & contrast

On white

1.38

#66F0EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.23

#66F0EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F0EB

15.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F0EB	#FFFFFF	#000000	##000000
##66F0EB	1.00	1.38	15.23	15.23
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.23	21.00	1.00	1.00
##000000	15.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3E5EB

Deuteranopia (green-blind)

#CDD5EC

Tritanopia (blue-blind)

#00F6EE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f0eb;
/* rgb */ color: rgb(102, 240, 235);
/* oklch */ color: oklch(87.8% 0.120 191.9);

Tailwind

colors: {
  custom: {
    50: '#9ff5f1',
    500: '#66f0eb',
    950: '#000000',
  },
}

SCSS

$custom: #66f0eb;
$custom-light: #9ff5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f0eb",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 235
  },
  "hsl": {
    "h": 177.826,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87839,
    "c": 0.11971,
    "h": 191.9
  },
  "luminance": 0.71143
}

Semantic roles & 50–950 ramp

primary

#66F0EB

secondary

#C5353A

accent

#070FDF

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F0EB

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

Preview Lab → · Contrast checker → · Palette generator →