#42E1FD#42E1FD

#42E1FD is a very light, vivid teal. Relative luminance 0.621; OKLCH L 84.1% C 0.132 H 212.3°. Best body text is #000000 at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#42E1FD
RGB	rgb(66, 225, 253)
HSL	hsl(189, 98%, 63%)
HSV	hsv(189, 74%, 99%)
CMYK	cmyk(73.9%, 11.1%, 0%, 0.8%)
CIE-LAB	lab(82.96, -31.48, -25.34)
CIE-LCH	lch(82.96, 40.41, 218.83°)
OKLab	oklab(84.08% -0.1117 -0.0706)
OKLCH	oklch(84.08% 0.132 212.3)
XYZ	xyz(46.8940, 62.0949, 102.4235)
Luminance	0.6210 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E1FD #FD5E42

analogous

#42FDBC #42E1FD #4283FD

triadic

#42E1FD #FD42E1 #E1FD42

tetradic

#42E1FD #BC42FD #FD5E42 #83FD42

square

#42E1FD #BC42FD #FD5E42 #83FD42

split-complementary

#42E1FD #FD4283 #FDBC42

monochromatic

#02A6C3 #05D7FC #42E1FD #7FEBFE #BBF4FE

Accessibility & contrast

On white

1.56

#42E1FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.42

#42E1FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E1FD

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E1FD	#FFFFFF	#000000	##000000
##42E1FD	1.00	1.56	13.42	13.42
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.42	21.00	1.00	1.00
##000000	13.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD9FF

Deuteranopia (green-blind)

#B2C7FD

Tritanopia (blue-blind)

#00ECEA

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #42e1fd;
/* rgb */ color: rgb(66, 225, 253);
/* oklch */ color: oklch(84.1% 0.132 212.3);

Tailwind

colors: {
  custom: {
    50: '#91eafe',
    500: '#42e1fd',
    950: '#000000',
  },
}

SCSS

$custom: #42e1fd;
$custom-light: #91eafe;
$custom-dark: #000000;

JSON

{
  "hex": "#42e1fd",
  "rgb": {
    "r": 66,
    "g": 225,
    "b": 253
  },
  "hsl": {
    "h": 188.984,
    "s": 97.906,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84076,
    "c": 0.13217,
    "h": 212.3
  },
  "luminance": 0.62101
}

Semantic roles & 50–950 ramp

primary

#42E1FD

secondary

#BF3B24

accent

#2200E6

background

#FCFEFF

surface

#F5FDFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #42E1FD

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

Preview Lab → · Contrast checker → · Palette generator →