#42D9CF#42D9CF

#42D9CF is a light, vivid teal. Relative luminance 0.553; OKLCH L 80.6% C 0.124 H 188.5°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#42D9CF
RGB	rgb(66, 217, 207)
HSL	hsl(176, 67%, 55%)
HSV	hsv(176, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 4.6%, 14.9%)
CIE-LAB	lab(79.20, -41.00, -6.53)
CIE-LCH	lch(79.20, 41.52, 189.05°)
OKLab	oklab(80.56% -0.1231 -0.0184)
OKLCH	oklch(80.56% 0.124 188.5)
XYZ	xyz(38.3169, 55.2845, 67.6709)
Luminance	0.5529 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9CF #D9424C

analogous

#42D983 #42D9CF #4298D9

triadic

#42D9CF #CF42D9 #D9CF42

tetradic

#42D9CF #8342D9 #D9424C #98D942

square

#42D9CF #8342D9 #D9424C #98D942

split-complementary

#42D9CF #D94298 #D98342

monochromatic

#1B867F #25B9AF #42D9CF #75E3DC #A8EDE9

Accessibility & contrast

On white

1.74

#42D9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#42D9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9CF

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9CF	#FFFFFF	#000000	##000000
##42D9CF	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCDCF

Deuteranopia (green-blind)

#B7BDD0

Tritanopia (blue-blind)

#00DED6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d9cf;
/* rgb */ color: rgb(66, 217, 207);
/* oklch */ color: oklch(80.6% 0.124 188.5);

Tailwind

colors: {
  custom: {
    50: '#8be5dd',
    500: '#42d9cf',
    950: '#000000',
  },
}

SCSS

$custom: #42d9cf;
$custom-light: #8be5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9cf",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 207
  },
  "hsl": {
    "h": 176.026,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80559,
    "c": 0.12443,
    "h": 188.5
  },
  "luminance": 0.55289
}

Semantic roles & 50–950 ramp

primary

#42D9CF

secondary

#8C3339

accent

#3E4AE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #42D9CF

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

Preview Lab → · Contrast checker → · Palette generator →