#42D8B4#42D8B4

#42D8B4 is a light, vivid teal. Relative luminance 0.536; OKLCH L 79.5% C 0.135 H 173.1°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#42D8B4
RGB	rgb(66, 216, 180)
HSL	hsl(166, 66%, 55%)
HSV	hsv(166, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 16.7%, 15.3%)
CIE-LAB	lab(78.21, -47.55, 6.43)
CIE-LCH	lch(78.21, 47.98, 172.30°)
OKLab	oklab(79.51% -0.1342 0.0163)
OKLCH	oklch(79.51% 0.135 173.1)
XYZ	xyz(35.0367, 53.5612, 51.6630)
Luminance	0.5356 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8B4 #D84266

analogous

#42D869 #42D8B4 #42B1D8

triadic

#42D8B4 #B442D8 #D8B442

tetradic

#42D8B4 #6942D8 #D84266 #B1D842

square

#42D8B4 #6942D8 #D84266 #B1D842

split-complementary

#42D8B4 #D842B1 #D86942

monochromatic

#1B846B #26B794 #42D8B4 #75E2C8 #A7EDDC

Accessibility & contrast

On white

1.79

#42D8B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#42D8B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8B4

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8B4	#FFFFFF	#000000	##000000
##42D8B4	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CAB2

Deuteranopia (green-blind)

#BDBBB7

Tritanopia (blue-blind)

#00DACD

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d8b4;
/* rgb */ color: rgb(66, 216, 180);
/* oklch */ color: oklch(79.5% 0.135 173.1);

Tailwind

colors: {
  custom: {
    50: '#8ae5ca',
    500: '#42d8b4',
    950: '#000000',
  },
}

SCSS

$custom: #42d8b4;
$custom-light: #8ae5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8b4",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 180
  },
  "hsl": {
    "h": 165.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.79512,
    "c": 0.13517,
    "h": 173.1
  },
  "luminance": 0.53565
}

Semantic roles & 50–950 ramp

primary

#42D8B4

secondary

#8B3348

accent

#3F68E9

background

#FCFEFD

surface

#F4FCF9

border

#CED5D2

text

#0D1613

muted

#7F8482

Preview Lab

Preview with #42D8B4

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

Preview Lab → · Contrast checker → · Palette generator →