#42D8BC#42D8BC

#42D8BC is a light, vivid teal. Relative luminance 0.539; OKLCH L 79.7% C 0.131 H 177.5°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#42D8BC
RGB	rgb(66, 216, 188)
HSL	hsl(169, 66%, 55%)
HSV	hsv(169, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 13%, 15.3%)
CIE-LAB	lab(78.40, -45.56, 2.44)
CIE-LCH	lch(78.40, 45.62, 176.93°)
OKLab	oklab(79.74% -0.1305 0.0058)
OKLCH	oklch(79.74% 0.131 177.5)
XYZ	xyz(35.8753, 53.8967, 56.0796)
Luminance	0.5390 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8BC #D8425E

analogous

#42D871 #42D8BC #42A9D8

triadic

#42D8BC #BC42D8 #D8BC42

tetradic

#42D8BC #7142D8 #D8425E #A9D842

square

#42D8BC #7142D8 #D8425E #A9D842

split-complementary

#42D8BC #D842A9 #D87142

monochromatic

#1B8471 #26B79C #42D8BC #75E2CE #A7EDE0

Accessibility & contrast

On white

1.78

#42D8BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#42D8BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8BC

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8BC	#FFFFFF	#000000	##000000
##42D8BC	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0CBBB

Deuteranopia (green-blind)

#BBBCBE

Tritanopia (blue-blind)

#00DBD0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42d8bc;
/* rgb */ color: rgb(66, 216, 188);
/* oklch */ color: oklch(79.7% 0.131 177.5);

Tailwind

colors: {
  custom: {
    50: '#8ae5d0',
    500: '#42d8bc',
    950: '#000000',
  },
}

SCSS

$custom: #42d8bc;
$custom-light: #8ae5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8bc",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 188
  },
  "hsl": {
    "h": 168.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.79737,
    "c": 0.13068,
    "h": 177.5
  },
  "luminance": 0.53901
}

Semantic roles & 50–950 ramp

primary

#42D8BC

secondary

#8B3344

accent

#3F5FE9

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #42D8BC

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

Preview Lab → · Contrast checker → · Palette generator →