#42E0CA#42E0CA

#42E0CA is a very light, vivid teal. Relative luminance 0.587; OKLCH L 82.1% C 0.132 H 181.5°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#42E0CA
RGB	rgb(66, 224, 202)
HSL	hsl(172, 72%, 57%)
HSV	hsv(172, 71%, 88%)
CMYK	cmyk(70.5%, 0%, 9.8%, 12.2%)
CIE-LAB	lab(81.14, -45.41, -1.02)
CIE-LCH	lch(81.14, 45.42, 181.28°)
OKLab	oklab(82.09% -0.1321 -0.0035)
OKLCH	oklch(82.09% 0.132 181.5)
XYZ	xyz(39.5579, 58.7292, 65.1167)
Luminance	0.5873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E0CA #E04258

analogous

#42E07B #42E0CA #42A7E0

triadic

#42E0CA #CA42E0 #E0CA42

tetradic

#42E0CA #7B42E0 #E04258 #A7E042

square

#42E0CA #7B42E0 #E04258 #A7E042

split-complementary

#42E0CA #E042A7 #E07B42

monochromatic

#18907F #20C5AE #42E0CA #77E9D9 #ABF1E7

Accessibility & contrast

On white

1.65

#42E0CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#42E0CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E0CA

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E0CA	#FFFFFF	#000000	##000000
##42E0CA	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6D3C9

Deuteranopia (green-blind)

#C0C3CC

Tritanopia (blue-blind)

#00E4D9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #42e0ca;
/* rgb */ color: rgb(66, 224, 202);
/* oklch */ color: oklch(82.1% 0.132 181.5);

Tailwind

colors: {
  custom: {
    50: '#8ceada',
    500: '#42e0ca',
    950: '#000000',
  },
}

SCSS

$custom: #42e0ca;
$custom-light: #8ceada;
$custom-dark: #000000;

JSON

{
  "hex": "#42e0ca",
  "rgb": {
    "r": 66,
    "g": 224,
    "b": 202
  },
  "hsl": {
    "h": 171.646,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.82092,
    "c": 0.13218,
    "h": 181.5
  },
  "luminance": 0.58734
}

Semantic roles & 50–950 ramp

primary

#42E0CA

secondary

#95313F

accent

#3952EF

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #42E0CA

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

Preview Lab → · Contrast checker → · Palette generator →