#42D1D3#42D1D3

#42D1D3 is a light, moderate teal. Relative luminance 0.515; OKLCH L 78.8% C 0.118 H 196.4°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#42D1D3
RGB	rgb(66, 209, 211)
HSL	hsl(181, 62%, 54%)
HSV	hsv(181, 69%, 83%)
CMYK	cmyk(68.7%, 0.9%, 0%, 17.3%)
CIE-LAB	lab(76.96, -36.25, -12.02)
CIE-LCH	lch(76.96, 38.19, 198.35°)
OKLab	oklab(78.77% -0.1135 -0.0334)
OKLCH	oklch(78.77% 0.118 196.4)
XYZ	xyz(36.7998, 51.4580, 69.6083)
Luminance	0.5146 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1D3 #D34442

analogous

#42D38D #42D1D3 #4288D3

triadic

#42D1D3 #D342D1 #D1D342

tetradic

#42D1D3 #8D42D3 #D34442 #88D342

square

#42D1D3 #8D42D3 #D34442 #88D342

split-complementary

#42D1D3 #D34288 #D38D42

monochromatic

#1D7C7D #29ADAF #42D1D3 #74DDDF #A5E9EA

Accessibility & contrast

On white

1.86

#42D1D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#42D1D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1D3

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1D3	#FFFFFF	#000000	##000000
##42D1D3	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3C7D3

Deuteranopia (green-blind)

#ADB7D4

Tritanopia (blue-blind)

#00D8D1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42d1d3;
/* rgb */ color: rgb(66, 209, 211);
/* oklch */ color: oklch(78.8% 0.118 196.4);

Tailwind

colors: {
  custom: {
    50: '#8bdfe0',
    500: '#42d1d3',
    950: '#000000',
  },
}

SCSS

$custom: #42d1d3;
$custom-light: #8bdfe0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1d3",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 211
  },
  "hsl": {
    "h": 180.828,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78772,
    "c": 0.11829,
    "h": 196.4
  },
  "luminance": 0.51462
}

Semantic roles & 50–950 ramp

primary

#42D1D3

secondary

#853534

accent

#4542E5

background

#FCFEFE

surface

#F4FCFC

border

#CED5D5

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D1D3

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

Preview Lab → · Contrast checker → · Palette generator →