#42D8D3#42D8D3

#42D8D3 is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.123 H 191.7°. Best body text is #000000 at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#42D8D3
RGB	rgb(66, 216, 211)
HSL	hsl(178, 66%, 55%)
HSV	hsv(178, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 2.3%, 15.3%)
CIE-LAB	lab(79.02, -39.46, -8.94)
CIE-LCH	lch(79.02, 40.46, 192.77°)
OKLab	oklab(80.45% -0.1203 -0.0249)
OKLCH	oklch(80.45% 0.123 191.7)
XYZ	xyz(38.5551, 54.9686, 70.1934)
Luminance	0.5497 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8D3 #D84247

analogous

#42D888 #42D8D3 #4292D8

triadic

#42D8D3 #D342D8 #D8D342

tetradic

#42D8D3 #8842D8 #D84247 #92D842

square

#42D8D3 #8842D8 #D84247 #92D842

split-complementary

#42D8D3 #D84292 #D88842

monochromatic

#1B8481 #26B7B2 #42D8D3 #75E2DF #A7EDEB

Accessibility & contrast

On white

1.75

#42D8D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.99

#42D8D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8D3

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8D3	#FFFFFF	#000000	##000000
##42D8D3	1.00	1.75	11.99	11.99
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.99	21.00	1.00	1.00
##000000	11.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCDD3

Deuteranopia (green-blind)

#B5BDD4

Tritanopia (blue-blind)

#00DED6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d8d3;
/* rgb */ color: rgb(66, 216, 211);
/* oklch */ color: oklch(80.4% 0.123 191.7);

Tailwind

colors: {
  custom: {
    50: '#8ce4e0',
    500: '#42d8d3',
    950: '#000000',
  },
}

SCSS

$custom: #42d8d3;
$custom-light: #8ce4e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8d3",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 211
  },
  "hsl": {
    "h": 178,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80449,
    "c": 0.1229,
    "h": 191.7
  },
  "luminance": 0.54973
}

Semantic roles & 50–950 ramp

primary

#42D8D3

secondary

#8B3336

accent

#3F45E9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D8D3

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

Preview Lab → · Contrast checker → · Palette generator →