#42D1BF#42D1BF

#42D1BF is a light, vivid teal. Relative luminance 0.505; OKLCH L 78.1% C 0.122 H 183.0°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#42D1BF
RGB	rgb(66, 209, 191)
HSL	hsl(172, 61%, 54%)
HSV	hsv(172, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 8.6%, 18%)
CIE-LAB	lab(76.39, -41.73, -2.11)
CIE-LCH	lch(76.39, 41.78, 182.89°)
OKLab	oklab(78.12% -0.1222 -0.0064)
OKLCH	oklch(78.12% 0.122 183)
XYZ	xyz(34.4467, 50.5168, 57.2154)
Luminance	0.5052 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1BF #D14254

analogous

#42D178 #42D1BF #429BD1

triadic

#42D1BF #BF42D1 #D1BF42

tetradic

#42D1BF #7842D1 #D14254 #9BD142

square

#42D1BF #7842D1 #D14254 #9BD142

split-complementary

#42D1BF #D1429B #D17842

monochromatic

#1E7B6F #2AAC9C #42D1BF #73DDD0 #A4E9E0

Accessibility & contrast

On white

1.89

#42D1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#42D1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1BF

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1BF	#FFFFFF	#000000	##000000
##42D1BF	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C5BE

Deuteranopia (green-blind)

#B3B6C1

Tritanopia (blue-blind)

#00D5CB

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d1bf;
/* rgb */ color: rgb(66, 209, 191);
/* oklch */ color: oklch(78.1% 0.122 183.0);

Tailwind

colors: {
  custom: {
    50: '#89e0d2',
    500: '#42d1bf',
    950: '#000000',
  },
}

SCSS

$custom: #42d1bf;
$custom-light: #89e0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1bf",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 191
  },
  "hsl": {
    "h": 172.448,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78119,
    "c": 0.12239,
    "h": 183
  },
  "luminance": 0.50521
}

Semantic roles & 50–950 ramp

primary

#42D1BF

secondary

#83353E

accent

#4458E4

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D1BF

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

Preview Lab → · Contrast checker → · Palette generator →