#42D5C4#42D5C4

#42D5C4 is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.2% C 0.124 H 183.9°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#42D5C4
RGB	rgb(66, 213, 196)
HSL	hsl(173, 64%, 55%)
HSV	hsv(173, 69%, 84%)
CMYK	cmyk(69%, 0%, 8%, 16.5%)
CIE-LAB	lab(77.71, -42.18, -2.84)
CIE-LCH	lch(77.71, 42.27, 183.85°)
OKLab	oklab(79.25% -0.124 -0.0083)
OKLCH	oklch(79.25% 0.124 183.9)
XYZ	xyz(36.0001, 52.7281, 60.4941)
Luminance	0.5273 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5C4 #D54253

analogous

#42D57A #42D5C4 #429DD5

triadic

#42D5C4 #C442D5 #D5C442

tetradic

#42D5C4 #7A42D5 #D54253 #9DD542

square

#42D5C4 #7A42D5 #D54253 #9DD542

split-complementary

#42D5C4 #D5429D #D57A42

monochromatic

#1C8075 #28B2A2 #42D5C4 #74E0D4 #A6EBE3

Accessibility & contrast

On white

1.82

#42D5C4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#42D5C4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C4

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5C4	#FFFFFF	#000000	##000000
##42D5C4	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC9C3

Deuteranopia (green-blind)

#B6BAC6

Tritanopia (blue-blind)

#00D9D0

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5c4;
/* rgb */ color: rgb(66, 213, 196);
/* oklch */ color: oklch(79.2% 0.124 183.9);

Tailwind

colors: {
  custom: {
    50: '#8ae2d5',
    500: '#42d5c4',
    950: '#000000',
  },
}

SCSS

$custom: #42d5c4;
$custom-light: #8ae2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5c4",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 196
  },
  "hsl": {
    "h": 173.061,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79246,
    "c": 0.12425,
    "h": 183.9
  },
  "luminance": 0.52732
}

Semantic roles & 50–950 ramp

primary

#42D5C4

secondary

#87343E

accent

#4154E7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5C4

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

Preview Lab → · Contrast checker → · Palette generator →