#42D9BB#42D9BB

#42D9BB is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.0% C 0.132 H 176.4°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#42D9BB
RGB	rgb(66, 217, 187)
HSL	hsl(168, 67%, 55%)
HSV	hsv(168, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 13.8%, 14.9%)
CIE-LAB	lab(78.68, -46.24, 3.38)
CIE-LCH	lch(78.68, 46.36, 175.82°)
OKLab	oklab(79.95% -0.132 0.0082)
OKLCH	oklch(79.95% 0.132 176.4)
XYZ	xyz(36.0248, 54.3677, 55.5995)
Luminance	0.5437 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9BB #D94260

analogous

#42D96F #42D9BB #42ACD9

triadic

#42D9BB #BB42D9 #D9BB42

tetradic

#42D9BB #6F42D9 #D94260 #ACD942

square

#42D9BB #6F42D9 #D94260 #ACD942

split-complementary

#42D9BB #D942AC #D96F42

monochromatic

#1B8670 #25B99B #42D9BB #75E3CD #A8EDE0

Accessibility & contrast

On white

1.77

#42D9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#42D9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9BB

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9BB	#FFFFFF	#000000	##000000
##42D9BB	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBA

Deuteranopia (green-blind)

#BCBCBD

Tritanopia (blue-blind)

#00DCD0

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42d9bb;
/* rgb */ color: rgb(66, 217, 187);
/* oklch */ color: oklch(80.0% 0.132 176.4);

Tailwind

colors: {
  custom: {
    50: '#8ae5cf',
    500: '#42d9bb',
    950: '#000000',
  },
}

SCSS

$custom: #42d9bb;
$custom-light: #8ae5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9bb",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 187
  },
  "hsl": {
    "h": 168.079,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79952,
    "c": 0.13225,
    "h": 176.4
  },
  "luminance": 0.54372
}

Semantic roles & 50–950 ramp

primary

#42D9BB

secondary

#8C3345

accent

#3E60E9

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1613

muted

#7F8483

Preview Lab

Preview with #42D9BB

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

Preview Lab → · Contrast checker → · Palette generator →