#42D8CF#42D8CF

#42D8CF is a light, vivid teal. Relative luminance 0.548; OKLCH L 80.3% C 0.124 H 189.1°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#42D8CF
RGB	rgb(66, 216, 207)
HSL	hsl(176, 66%, 55%)
HSV	hsv(176, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 4.2%, 15.3%)
CIE-LAB	lab(78.91, -40.55, -6.97)
CIE-LCH	lch(78.91, 41.15, 189.75°)
OKLab	oklab(80.32% -0.1221 -0.0195)
OKLCH	oklch(80.32% 0.124 189.1)
XYZ	xyz(38.0599, 54.7705, 67.5853)
Luminance	0.5477 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8CF #D8424B

analogous

#42D884 #42D8CF #4296D8

triadic

#42D8CF #CF42D8 #D8CF42

tetradic

#42D8CF #8442D8 #D8424B #96D842

square

#42D8CF #8442D8 #D8424B #96D842

split-complementary

#42D8CF #D84296 #D88442

monochromatic

#1B847E #26B7AE #42D8CF #75E2DC #A7EDE9

Accessibility & contrast

On white

1.76

#42D8CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#42D8CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8CF

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8CF	#FFFFFF	#000000	##000000
##42D8CF	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCCDCF

Deuteranopia (green-blind)

#B6BDD0

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42d8cf;
/* rgb */ color: rgb(66, 216, 207);
/* oklch */ color: oklch(80.3% 0.124 189.1);

Tailwind

colors: {
  custom: {
    50: '#8be4dd',
    500: '#42d8cf',
    950: '#000000',
  },
}

SCSS

$custom: #42d8cf;
$custom-light: #8be4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8cf",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 207
  },
  "hsl": {
    "h": 176.4,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80319,
    "c": 0.12365,
    "h": 189.1
  },
  "luminance": 0.54775
}

Semantic roles & 50–950 ramp

primary

#42D8CF

secondary

#8B3339

accent

#3F49E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D8CF

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

Preview Lab → · Contrast checker → · Palette generator →