#42E0E9#42E0E9

#42E0E9 is a very light, vivid teal. Relative luminance 0.604; OKLCH L 83.1% C 0.127 H 200.7°. Best body text is #000000 at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#42E0E9
RGB	rgb(66, 224, 233)
HSL	hsl(183, 79%, 59%)
HSV	hsv(183, 72%, 91%)
CMYK	cmyk(71.7%, 3.9%, 0%, 8.6%)
CIE-LAB	lab(82.03, -36.90, -16.17)
CIE-LCH	lch(82.03, 40.29, 203.66°)
OKLab	oklab(83.1% -0.1188 -0.0449)
OKLCH	oklch(83.1% 0.127 200.7)
XYZ	xyz(43.6038, 60.3475, 86.4252)
Luminance	0.6035 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E0E9 #E94B42

analogous

#42E99F #42E0E9 #428CE9

triadic

#42E0E9 #E942E0 #E0E942

tetradic

#42E0E9 #9F42E9 #E94B42 #8CE942

square

#42E0E9 #9F42E9 #E94B42 #8CE942

split-complementary

#42E0E9 #E9428C #E99F42

monochromatic

#12979E #19CBD5 #42E0E9 #79E9EF #B0F2F6

Accessibility & contrast

On white

1.61

#42E0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.07

#42E0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E0E9

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E0E9	#FFFFFF	#000000	##000000
##42E0E9	1.00	1.61	13.07	13.07
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.07	21.00	1.00	1.00
##000000	13.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD6EA

Deuteranopia (green-blind)

#B7C5EA

Tritanopia (blue-blind)

#00E8E2

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #42e0e9;
/* rgb */ color: rgb(66, 224, 233);
/* oklch */ color: oklch(83.1% 0.127 200.7);

Tailwind

colors: {
  custom: {
    50: '#8feaf0',
    500: '#42e0e9',
    950: '#000000',
  },
}

SCSS

$custom: #42e0e9;
$custom-light: #8feaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#42e0e9",
  "rgb": {
    "r": 66,
    "g": 224,
    "b": 233
  },
  "hsl": {
    "h": 183.234,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.83104,
    "c": 0.127,
    "h": 200.7
  },
  "luminance": 0.60353
}

Semantic roles & 50–950 ramp

primary

#42E0E9

secondary

#A1342E

accent

#3D32F6

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0E1616

muted

#7F8485

Preview Lab

Preview with #42E0E9

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

Preview Lab → · Contrast checker → · Palette generator →