#42D8E1#42D8E1

#42D8E1 is a light, vivid teal. Relative luminance 0.557; OKLCH L 80.9% C 0.123 H 201.0°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#42D8E1
RGB	rgb(66, 216, 225)
HSL	hsl(183, 73%, 57%)
HSV	hsv(183, 71%, 88%)
CMYK	cmyk(70.7%, 4%, 0%, 11.8%)
CIE-LAB	lab(79.44, -35.50, -15.79)
CIE-LCH	lch(79.44, 38.85, 203.99°)
OKLab	oklab(80.93% -0.1144 -0.0438)
OKLCH	oklch(80.93% 0.123 201)
XYZ	xyz(40.3872, 55.7015, 79.8425)
Luminance	0.5571 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8E1 #E14B42

analogous

#42E19A #42D8E1 #4289E1

triadic

#42D8E1 #E142D8 #D8E142

tetradic

#42D8E1 #9A42E1 #E14B42 #89E142

square

#42D8E1 #9A42E1 #E14B42 #89E142

split-complementary

#42D8E1 #E14289 #E19A42

monochromatic

#178B92 #1FBDC6 #42D8E1 #77E3E9 #ACEEF2

Accessibility & contrast

On white

1.73

#42D8E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#42D8E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8E1

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8E1	#FFFFFF	#000000	##000000
##42D8E1	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8CFE2

Deuteranopia (green-blind)

#B1BEE2

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d8e1;
/* rgb */ color: rgb(66, 216, 225);
/* oklch */ color: oklch(80.9% 0.123 201.0);

Tailwind

colors: {
  custom: {
    50: '#8de4ea',
    500: '#42d8e1',
    950: '#000000',
  },
}

SCSS

$custom: #42d8e1;
$custom-light: #8de4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8e1",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 225
  },
  "hsl": {
    "h": 183.396,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.8093,
    "c": 0.12254,
    "h": 201
  },
  "luminance": 0.55706
}

Semantic roles & 50–950 ramp

primary

#42D8E1

secondary

#963731

accent

#4338EF

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D8E1

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

Preview Lab → · Contrast checker → · Palette generator →