#42D5BC#42D5BC

#42D5BC is a light, vivid teal. Relative luminance 0.524; OKLCH L 79.0% C 0.128 H 179.0°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#42D5BC
RGB	rgb(66, 213, 188)
HSL	hsl(170, 64%, 55%)
HSV	hsv(170, 69%, 84%)
CMYK	cmyk(69%, 0%, 11.7%, 16.5%)
CIE-LAB	lab(77.50, -44.26, 1.14)
CIE-LCH	lch(77.50, 44.28, 178.53°)
OKLab	oklab(79% -0.1276 0.0023)
OKLCH	oklch(79% 0.128 179)
XYZ	xyz(35.1137, 52.3735, 55.8257)
Luminance	0.5238 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5BC #D5425B

analogous

#42D573 #42D5BC #42A4D5

triadic

#42D5BC #BC42D5 #D5BC42

tetradic

#42D5BC #7342D5 #D5425B #A4D542

square

#42D5BC #7342D5 #D5425B #A4D542

split-complementary

#42D5BC #D542A4 #D57342

monochromatic

#1C806F #28B29B #42D5BC #74E0CE #A6EBE0

Accessibility & contrast

On white

1.83

#42D5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#42D5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5BC

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5BC	#FFFFFF	#000000	##000000
##42D5BC	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC8BB

Deuteranopia (green-blind)

#B8B9BE

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d5bc;
/* rgb */ color: rgb(66, 213, 188);
/* oklch */ color: oklch(79.0% 0.128 179.0);

Tailwind

colors: {
  custom: {
    50: '#8ae2d0',
    500: '#42d5bc',
    950: '#000000',
  },
}

SCSS

$custom: #42d5bc;
$custom-light: #8ae2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5bc",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 188
  },
  "hsl": {
    "h": 169.796,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79004,
    "c": 0.12758,
    "h": 179
  },
  "luminance": 0.52378
}

Semantic roles & 50–950 ramp

primary

#42D5BC

secondary

#873442

accent

#415DE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D5BC

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

Preview Lab → · Contrast checker → · Palette generator →