#42D5CB#42D5CB

#42D5CB is a light, vivid teal. Relative luminance 0.531; OKLCH L 79.5% C 0.122 H 188.3°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#42D5CB
RGB	rgb(66, 213, 203)
HSL	hsl(176, 64%, 55%)
HSV	hsv(176, 69%, 84%)
CMYK	cmyk(69%, 0%, 4.7%, 16.5%)
CIE-LAB	lab(77.91, -40.30, -6.31)
CIE-LCH	lch(77.91, 40.79, 188.90°)
OKLab	oklab(79.47% -0.1209 -0.0177)
OKLCH	oklch(79.47% 0.122 188.3)
XYZ	xyz(36.8155, 53.0543, 64.7885)
Luminance	0.5306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5CB #D5424C

analogous

#42D581 #42D5CB #4296D5

triadic

#42D5CB #CB42D5 #D5CB42

tetradic

#42D5CB #8142D5 #D5424C #96D542

square

#42D5CB #8142D5 #D5424C #96D542

split-complementary

#42D5CB #D54296 #D58142

monochromatic

#1C8079 #28B2A9 #42D5CB #74E0D9 #A6EBE7

Accessibility & contrast

On white

1.81

#42D5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#42D5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5CB

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5CB	#FFFFFF	#000000	##000000
##42D5CB	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CACB

Deuteranopia (green-blind)

#B4BACC

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d5cb;
/* rgb */ color: rgb(66, 213, 203);
/* oklch */ color: oklch(79.5% 0.122 188.3);

Tailwind

colors: {
  custom: {
    50: '#8be2da',
    500: '#42d5cb',
    950: '#000000',
  },
}

SCSS

$custom: #42d5cb;
$custom-light: #8be2da;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5cb",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 203
  },
  "hsl": {
    "h": 175.918,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79467,
    "c": 0.12217,
    "h": 188.3
  },
  "luminance": 0.53059
}

Semantic roles & 50–950 ramp

primary

#42D5CB

secondary

#87343A

accent

#414CE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5CB

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

Preview Lab → · Contrast checker → · Palette generator →