#42E5CF#42E5CF

#42E5CF is a very light, vivid teal. Relative luminance 0.617; OKLCH L 83.4% C 0.135 H 181.8°. Best body text is #000000 at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#42E5CF
RGB	rgb(66, 229, 207)
HSL	hsl(172, 76%, 58%)
HSV	hsv(172, 71%, 90%)
CMYK	cmyk(71.2%, 0%, 9.6%, 10.2%)
CIE-LAB	lab(82.75, -46.26, -1.31)
CIE-LCH	lch(82.75, 46.28, 181.62°)
OKLab	oklab(83.45% -0.1348 -0.0043)
OKLCH	oklch(83.45% 0.135 181.8)
XYZ	xyz(41.5231, 61.6970, 68.7397)
Luminance	0.6170 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E5CF #E54258

analogous

#42E57D #42E5CF #42A9E5

triadic

#42E5CF #CF42E5 #E5CF42

tetradic

#42E5CF #7D42E5 #E54258 #A9E542

square

#42E5CF #7D42E5 #E54258 #A9E542

split-complementary

#42E5CF #E542A9 #E57D42

monochromatic

#159886 #1CCEB6 #42E5CF #78ECDD #AEF4EA

Accessibility & contrast

On white

1.57

#42E5CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.34

#42E5CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E5CF

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E5CF	#FFFFFF	#000000	##000000
##42E5CF	1.00	1.57	13.34	13.34
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.34	21.00	1.00	1.00
##000000	13.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD8CE

Deuteranopia (green-blind)

#C4C7D1

Tritanopia (blue-blind)

#00E9DE

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #42e5cf;
/* rgb */ color: rgb(66, 229, 207);
/* oklch */ color: oklch(83.4% 0.135 181.8);

Tailwind

colors: {
  custom: {
    50: '#8deedd',
    500: '#42e5cf',
    950: '#000000',
  },
}

SCSS

$custom: #42e5cf;
$custom-light: #8deedd;
$custom-dark: #000000;

JSON

{
  "hex": "#42e5cf",
  "rgb": {
    "r": 66,
    "g": 229,
    "b": 207
  },
  "hsl": {
    "h": 171.902,
    "s": 75.814,
    "l": 57.843
  },
  "oklch": {
    "l": 0.83448,
    "c": 0.13485,
    "h": 181.8
  },
  "luminance": 0.61702
}

Semantic roles & 50–950 ramp

primary

#42E5CF

secondary

#9C303E

accent

#354FF2

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #42E5CF

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

Preview Lab → · Contrast checker → · Palette generator →