#42D5CD#42D5CD

#42D5CD is a light, vivid teal. Relative luminance 0.532; OKLCH L 79.5% C 0.122 H 189.7°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#42D5CD
RGB	rgb(66, 213, 205)
HSL	hsl(177, 64%, 55%)
HSV	hsv(177, 69%, 84%)
CMYK	cmyk(69%, 0%, 3.8%, 16.5%)
CIE-LAB	lab(77.96, -39.75, -7.30)
CIE-LCH	lch(77.96, 40.42, 190.41°)
OKLab	oklab(79.53% -0.12 -0.0204)
OKLCH	oklch(79.53% 0.122 189.7)
XYZ	xyz(37.0554, 53.1502, 66.0519)
Luminance	0.5315 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5CD #D5424A

analogous

#42D584 #42D5CD #4293D5

triadic

#42D5CD #CD42D5 #D5CD42

tetradic

#42D5CD #8442D5 #D5424A #93D542

square

#42D5CD #8442D5 #D5424A #93D542

split-complementary

#42D5CD #D54293 #D58442

monochromatic

#1C807B #28B2AB #42D5CD #74E0DA #A6EBE7

Accessibility & contrast

On white

1.81

#42D5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#42D5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5CD

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5CD	#FFFFFF	#000000	##000000
##42D5CD	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CACD

Deuteranopia (green-blind)

#B3BACE

Tritanopia (blue-blind)

#00DBD2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42d5cd;
/* rgb */ color: rgb(66, 213, 205);
/* oklch */ color: oklch(79.5% 0.122 189.7);

Tailwind

colors: {
  custom: {
    50: '#8be2dc',
    500: '#42d5cd',
    950: '#000000',
  },
}

SCSS

$custom: #42d5cd;
$custom-light: #8be2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5cd",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 205
  },
  "hsl": {
    "h": 176.735,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79531,
    "c": 0.12174,
    "h": 189.7
  },
  "luminance": 0.53155
}

Semantic roles & 50–950 ramp

primary

#42D5CD

secondary

#873438

accent

#414AE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D5CD

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

Preview Lab → · Contrast checker → · Palette generator →