#42D4BF#42D4BF

#42D4BF is a light, vivid teal. Relative luminance 0.520; OKLCH L 78.8% C 0.125 H 181.3°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#42D4BF
RGB	rgb(66, 212, 191)
HSL	hsl(171, 63%, 55%)
HSV	hsv(171, 69%, 83%)
CMYK	cmyk(68.9%, 0%, 9.9%, 16.9%)
CIE-LAB	lab(77.28, -43.05, -0.79)
CIE-LCH	lch(77.28, 43.06, 181.05°)
OKLab	oklab(78.85% -0.1252 -0.0028)
OKLCH	oklch(78.85% 0.125 181.3)
XYZ	xyz(35.1897, 52.0028, 57.4631)
Luminance	0.5201 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D4BF #D44257

analogous

#42D476 #42D4BF #42A0D4

triadic

#42D4BF #BF42D4 #D4BF42

tetradic

#42D4BF #7642D4 #D44257 #A0D442

square

#42D4BF #7642D4 #D44257 #A0D442

split-complementary

#42D4BF #D442A0 #D47642

monochromatic

#1D7F71 #28B19D #42D4BF #74DFD0 #A6EBE1

Accessibility & contrast

On white

1.84

#42D4BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#42D4BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4BF

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D4BF	#FFFFFF	#000000	##000000
##42D4BF	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBC8BE

Deuteranopia (green-blind)

#B6B9C1

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d4bf;
/* rgb */ color: rgb(66, 212, 191);
/* oklch */ color: oklch(78.8% 0.125 181.3);

Tailwind

colors: {
  custom: {
    50: '#8ae2d2',
    500: '#42d4bf',
    950: '#000000',
  },
}

SCSS

$custom: #42d4bf;
$custom-light: #8ae2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42d4bf",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 191
  },
  "hsl": {
    "h": 171.37,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.7885,
    "c": 0.12525,
    "h": 181.3
  },
  "luminance": 0.52007
}

Semantic roles & 50–950 ramp

primary

#42D4BF

secondary

#863440

accent

#4259E6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D4BF

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

Preview Lab → · Contrast checker → · Palette generator →