#42D4CB#42D4CB

#42D4CB is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.2% C 0.121 H 189.0°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#42D4CB
RGB	rgb(66, 212, 203)
HSL	hsl(176, 63%, 55%)
HSV	hsv(176, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 4.2%, 16.9%)
CIE-LAB	lab(77.61, -39.85, -6.75)
CIE-LCH	lch(77.61, 40.41, 189.61°)
OKLab	oklab(79.22% -0.1199 -0.0189)
OKLCH	oklch(79.22% 0.121 189)
XYZ	xyz(36.5647, 52.5528, 64.7050)
Luminance	0.5256 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4CB #D4424B

analogous

#42D482 #42D4CB #4294D4

triadic

#42D4CB #CB42D4 #D4CB42

tetradic

#42D4CB #8242D4 #D4424B #94D442

square

#42D4CB #8242D4 #D4424B #94D442

split-complementary

#42D4CB #D44294 #D48242

monochromatic

#1D7F79 #28B1A8 #42D4CB #74DFD9 #A6EBE6

Accessibility & contrast

On white

1.82

#42D4CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#42D4CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4CB

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4CB	#FFFFFF	#000000	##000000
##42D4CB	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C9CB

Deuteranopia (green-blind)

#B3B9CC

Tritanopia (blue-blind)

#00D9D1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d4cb;
/* rgb */ color: rgb(66, 212, 203);
/* oklch */ color: oklch(79.2% 0.121 189.0);

Tailwind

colors: {
  custom: {
    50: '#8ae2da',
    500: '#42d4cb',
    950: '#000000',
  },
}

SCSS

$custom: #42d4cb;
$custom-light: #8ae2da;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4cb",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 203
  },
  "hsl": {
    "h": 176.301,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.79225,
    "c": 0.12138,
    "h": 189
  },
  "luminance": 0.52557
}

Semantic roles & 50–950 ramp

primary

#42D4CB

secondary

#863439

accent

#424CE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D4CB

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

Preview Lab → · Contrast checker → · Palette generator →