#42D9DA#42D9DA

#42D9DA is a light, vivid teal. Relative luminance 0.558; OKLCH L 80.9% C 0.123 H 195.7°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#42D9DA
RGB	rgb(66, 217, 218)
HSL	hsl(180, 67%, 56%)
HSV	hsv(180, 70%, 85%)
CMYK	cmyk(69.7%, 0.5%, 0%, 14.5%)
CIE-LAB	lab(79.52, -37.96, -11.94)
CIE-LCH	lch(79.52, 39.79, 197.46°)
OKLab	oklab(80.92% -0.1183 -0.0332)
OKLCH	oklch(80.92% 0.123 195.7)
XYZ	xyz(39.7088, 55.8412, 75.0017)
Luminance	0.5585 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9DA #DA4342

analogous

#42DA8F #42D9DA #428DDA

triadic

#42D9DA #DA42D9 #D9DA42

tetradic

#42D9DA #8F42DA #DA4342 #8DDA42

square

#42D9DA #8F42DA #DA4342 #8DDA42

split-complementary

#42D9DA #DA428D #DA8F42

monochromatic

#1A8687 #24B9BA #42D9DA #75E3E4 #A8EEEE

Accessibility & contrast

On white

1.73

#42D9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#42D9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9DA

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9DA	#FFFFFF	#000000	##000000
##42D9DA	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCFDA

Deuteranopia (green-blind)

#B4BEDB

Tritanopia (blue-blind)

#00E0D9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d9da;
/* rgb */ color: rgb(66, 217, 218);
/* oklch */ color: oklch(80.9% 0.123 195.7);

Tailwind

colors: {
  custom: {
    50: '#8ce5e5',
    500: '#42d9da',
    950: '#000000',
  },
}

SCSS

$custom: #42d9da;
$custom-light: #8ce5e5;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9da",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 218
  },
  "hsl": {
    "h": 180.395,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80924,
    "c": 0.12289,
    "h": 195.7
  },
  "luminance": 0.55846
}

Semantic roles & 50–950 ramp

primary

#42D9DA

secondary

#8D3333

accent

#3F3EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9DA

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

Preview Lab → · Contrast checker → · Palette generator →