#42D4CF#42D4CF

#42D4CF is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.4% C 0.121 H 191.6°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#42D4CF
RGB	rgb(66, 212, 207)
HSL	hsl(178, 63%, 55%)
HSV	hsv(178, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 2.4%, 16.9%)
CIE-LAB	lab(77.72, -38.75, -8.73)
CIE-LCH	lch(77.72, 39.72, 192.69°)
OKLab	oklab(79.36% -0.1181 -0.0243)
OKLCH	oklch(79.36% 0.121 191.6)
XYZ	xyz(37.0476, 52.7459, 67.2478)
Luminance	0.5275 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4CF #D44247

analogous

#42D486 #42D4CF #4290D4

triadic

#42D4CF #CF42D4 #D4CF42

tetradic

#42D4CF #8642D4 #D44247 #90D442

square

#42D4CF #8642D4 #D44247 #90D442

split-complementary

#42D4CF #D44290 #D48642

monochromatic

#1D7F7B #28B1AC #42D4CF #74DFDC #A6EBE8

Accessibility & contrast

On white

1.82

#42D4CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#42D4CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4CF

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4CF	#FFFFFF	#000000	##000000
##42D4CF	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C9CF

Deuteranopia (green-blind)

#B2B9D0

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d4cf;
/* rgb */ color: rgb(66, 212, 207);
/* oklch */ color: oklch(79.4% 0.121 191.6);

Tailwind

colors: {
  custom: {
    50: '#8be2dd',
    500: '#42d4cf',
    950: '#000000',
  },
}

SCSS

$custom: #42d4cf;
$custom-light: #8be2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4cf",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 207
  },
  "hsl": {
    "h": 177.945,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.79356,
    "c": 0.12063,
    "h": 191.6
  },
  "luminance": 0.5275
}

Semantic roles & 50–950 ramp

primary

#42D4CF

secondary

#863437

accent

#4247E6

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D4CF

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

Preview Lab → · Contrast checker → · Palette generator →