#42D4E7#42D4E7

#42D4E7 is a light, vivid teal. Relative luminance 0.540; OKLCH L 80.2% C 0.122 H 207.8°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#42D4E7
RGB	rgb(66, 212, 231)
HSL	hsl(187, 77%, 58%)
HSV	hsv(187, 71%, 91%)
CMYK	cmyk(71.4%, 8.2%, 0%, 9.4%)
CIE-LAB	lab(78.47, -31.85, -20.48)
CIE-LCH	lch(78.47, 37.86, 212.74°)
OKLab	oklab(80.2% -0.1081 -0.0569)
OKLCH	oklch(80.2% 0.122 207.8)
XYZ	xyz(40.2078, 54.0100, 83.8917)
Luminance	0.5402 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4E7 #E75542

analogous

#42E7A7 #42D4E7 #4281E7

triadic

#42D4E7 #E742D4 #D4E742

tetradic

#42D4E7 #A742E7 #E75542 #81E742

square

#42D4E7 #A742E7 #E75542 #81E742

split-complementary

#42D4E7 #E74281 #E7A742

monochromatic

#148B9B #1BBCD1 #42D4E7 #78E0EE #AFEDF5

Accessibility & contrast

On white

1.78

#42D4E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#42D4E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4E7

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4E7	#FFFFFF	#000000	##000000
##42D4E7	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CCE8

Deuteranopia (green-blind)

#AABBE7

Tritanopia (blue-blind)

#00DDDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #42d4e7;
/* rgb */ color: rgb(66, 212, 231);
/* oklch */ color: oklch(80.2% 0.122 207.8);

Tailwind

colors: {
  custom: {
    50: '#8de1ee',
    500: '#42d4e7',
    950: '#000000',
  },
}

SCSS

$custom: #42d4e7;
$custom-light: #8de1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4e7",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 231
  },
  "hsl": {
    "h": 186.909,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.80204,
    "c": 0.12219,
    "h": 207.8
  },
  "luminance": 0.54015
}

Semantic roles & 50–950 ramp

primary

#42D4E7

secondary

#9E3C2F

accent

#4A34F4

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #42D4E7

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

Preview Lab → · Contrast checker → · Palette generator →