#42D8D0#42D8D0

#42D8D0 is a light, vivid teal. Relative luminance 0.548; OKLCH L 80.4% C 0.123 H 189.7°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#42D8D0
RGB	rgb(66, 216, 208)
HSL	hsl(177, 66%, 55%)
HSV	hsv(177, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 3.7%, 15.3%)
CIE-LAB	lab(78.94, -40.28, -7.46)
CIE-LCH	lch(78.94, 40.97, 190.50°)
OKLab	oklab(80.35% -0.1217 -0.0209)
OKLCH	oklch(80.35% 0.123 189.7)
XYZ	xyz(38.1825, 54.8196, 68.2312)
Luminance	0.5482 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8D0 #D8424A

analogous

#42D885 #42D8D0 #4295D8

triadic

#42D8D0 #D042D8 #D8D042

tetradic

#42D8D0 #8542D8 #D8424A #95D842

square

#42D8D0 #8542D8 #D8424A #95D842

split-complementary

#42D8D0 #D84295 #D88542

monochromatic

#1B847F #26B7AF #42D8D0 #75E2DD #A7EDE9

Accessibility & contrast

On white

1.76

#42D8D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#42D8D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8D0

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8D0	#FFFFFF	#000000	##000000
##42D8D0	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)

#CCCDD0

Deuteranopia (green-blind)

#B6BDD1

Tritanopia (blue-blind)

#00DED5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42d8d0;
/* rgb */ color: rgb(66, 216, 208);
/* oklch */ color: oklch(80.4% 0.123 189.7);

Tailwind

colors: {
  custom: {
    50: '#8be4de',
    500: '#42d8d0',
    950: '#000000',
  },
}

SCSS

$custom: #42d8d0;
$custom-light: #8be4de;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8d0",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 208
  },
  "hsl": {
    "h": 176.8,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80351,
    "c": 0.12344,
    "h": 189.7
  },
  "luminance": 0.54824
}

Semantic roles & 50–950 ramp

primary

#42D8D0

secondary

#8B3338

accent

#3F48E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D8D0

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

Preview Lab → · Contrast checker → · Palette generator →