#42D9DD#42D9DD

#42D9DD is a light, vivid teal. Relative luminance 0.560; OKLCH L 81.0% C 0.123 H 197.6°. Best body text is #000000 at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#42D9DD
RGB	rgb(66, 217, 221)
HSL	hsl(182, 70%, 56%)
HSV	hsv(182, 70%, 87%)
CMYK	cmyk(70.1%, 1.8%, 0%, 13.3%)
CIE-LAB	lab(79.61, -37.11, -13.40)
CIE-LCH	lch(79.61, 39.45, 199.86°)
OKLab	oklab(81.03% -0.1171 -0.0372)
OKLCH	oklch(81.03% 0.123 197.6)
XYZ	xyz(40.1049, 55.9997, 77.0880)
Luminance	0.5600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9DD #DD4642

analogous

#42DD94 #42D9DD #428CDD

triadic

#42D9DD #DD42D9 #D9DD42

tetradic

#42D9DD #9442DD #DD4642 #8CDD42

square

#42D9DD #9442DD #DD4642 #8CDD42

split-complementary

#42D9DD #DD428C #DD9442

monochromatic

#19898C #22BBBF #42D9DD #76E3E6 #AAEEF0

Accessibility & contrast

On white

1.72

#42D9DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.20

#42D9DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9DD

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9DD	#FFFFFF	#000000	##000000
##42D9DD	1.00	1.72	12.20	12.20
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.20	21.00	1.00	1.00
##000000	12.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACFDE

Deuteranopia (green-blind)

#B3BEDE

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d9dd;
/* rgb */ color: rgb(66, 217, 221);
/* oklch */ color: oklch(81.0% 0.123 197.6);

Tailwind

colors: {
  custom: {
    50: '#8de5e7',
    500: '#42d9dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d9dd;
$custom-light: #8de5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9dd",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 221
  },
  "hsl": {
    "h": 181.548,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81027,
    "c": 0.12284,
    "h": 197.6
  },
  "luminance": 0.56004
}

Semantic roles & 50–950 ramp

primary

#42D9DD

secondary

#913532

accent

#403BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #42D9DD

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

Preview Lab → · Contrast checker → · Palette generator →