#42D9D8#42D9D8

#42D9D8 is a light, vivid teal. Relative luminance 0.557; OKLCH L 80.9% C 0.123 H 194.3°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#42D9D8
RGB	rgb(66, 217, 216)
HSL	hsl(180, 67%, 55%)
HSV	hsv(180, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 0.5%, 14.9%)
CIE-LAB	lab(79.46, -38.52, -10.96)
CIE-LCH	lch(79.46, 40.05, 195.88°)
OKLab	oklab(80.86% -0.1192 -0.0305)
OKLCH	oklch(80.86% 0.123 194.3)
XYZ	xyz(39.4486, 55.7372, 73.6317)
Luminance	0.5574 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9D8 #D94243

analogous

#42D98D #42D9D8 #428ED9

triadic

#42D9D8 #D842D9 #D9D842

tetradic

#42D9D8 #8D42D9 #D94243 #8ED942

square

#42D9D8 #8D42D9 #D94243 #8ED942

split-complementary

#42D9D8 #D9428E #D98D42

monochromatic

#1B8685 #25B9B8 #42D9D8 #75E3E3 #A8EDED

Accessibility & contrast

On white

1.73

#42D9D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#42D9D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9D8

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9D8	#FFFFFF	#000000	##000000
##42D9D8	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCED8

Deuteranopia (green-blind)

#B5BED9

Tritanopia (blue-blind)

#00E0D8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d9d8;
/* rgb */ color: rgb(66, 217, 216);
/* oklch */ color: oklch(80.9% 0.123 194.3);

Tailwind

colors: {
  custom: {
    50: '#8ce5e4',
    500: '#42d9d8',
    950: '#000000',
  },
}

SCSS

$custom: #42d9d8;
$custom-light: #8ce5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9d8",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 216
  },
  "hsl": {
    "h": 179.603,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80856,
    "c": 0.12302,
    "h": 194.3
  },
  "luminance": 0.55742
}

Semantic roles & 50–950 ramp

primary

#42D9D8

secondary

#8C3334

accent

#3E3FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9D8

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

Preview Lab → · Contrast checker → · Palette generator →