#42E1E9#42E1E9

#42E1E9 is a very light, vivid teal. Relative luminance 0.609; OKLCH L 83.3% C 0.127 H 200.0°. Best body text is #000000 at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#42E1E9
RGB	rgb(66, 225, 233)
HSL	hsl(183, 79%, 59%)
HSV	hsv(183, 72%, 91%)
CMYK	cmyk(71.7%, 3.4%, 0%, 8.6%)
CIE-LAB	lab(82.32, -37.37, -15.73)
CIE-LCH	lch(82.32, 40.54, 202.83°)
OKLab	oklab(83.34% -0.1197 -0.0437)
OKLCH	oklch(83.34% 0.127 200)
XYZ	xyz(43.8734, 60.8866, 86.5150)
Luminance	0.6089 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E1E9 #E94A42

analogous

#42E99D #42E1E9 #428DE9

triadic

#42E1E9 #E942E1 #E1E942

tetradic

#42E1E9 #9D42E9 #E94A42 #8DE942

square

#42E1E9 #9D42E9 #E94A42 #8DE942

split-complementary

#42E1E9 #E9428D #E99D42

monochromatic

#12979E #19CCD5 #42E1E9 #79EAEF #B0F2F6

Accessibility & contrast

On white

1.59

#42E1E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.18

#42E1E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E1E9

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E1E9	#FFFFFF	#000000	##000000
##42E1E9	1.00	1.59	13.18	13.18
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.18	21.00	1.00	1.00
##000000	13.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D7EA

Deuteranopia (green-blind)

#B9C5EA

Tritanopia (blue-blind)

#00E9E3

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #42e1e9;
/* rgb */ color: rgb(66, 225, 233);
/* oklch */ color: oklch(83.3% 0.127 200.0);

Tailwind

colors: {
  custom: {
    50: '#8febf0',
    500: '#42e1e9',
    950: '#000000',
  },
}

SCSS

$custom: #42e1e9;
$custom-light: #8febf0;
$custom-dark: #000000;

JSON

{
  "hex": "#42e1e9",
  "rgb": {
    "r": 66,
    "g": 225,
    "b": 233
  },
  "hsl": {
    "h": 182.874,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.8334,
    "c": 0.12747,
    "h": 200
  },
  "luminance": 0.60892
}

Semantic roles & 50–950 ramp

primary

#42E1E9

secondary

#A1342E

accent

#3C32F6

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0E1616

muted

#7F8485

Preview Lab

Preview with #42E1E9

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

Preview Lab → · Contrast checker → · Palette generator →