#42D9C6#42D9C6

#42D9C6 is a light, vivid teal. Relative luminance 0.549; OKLCH L 80.3% C 0.127 H 182.9°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#42D9C6
RGB	rgb(66, 217, 198)
HSL	hsl(172, 67%, 55%)
HSV	hsv(172, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 8.8%, 14.9%)
CIE-LAB	lab(78.96, -43.41, -2.08)
CIE-LCH	lch(78.96, 43.46, 182.75°)
OKLab	oklab(80.28% -0.127 -0.0063)
OKLCH	oklch(80.28% 0.127 182.9)
XYZ	xyz(37.2478, 54.8568, 62.0405)
Luminance	0.5486 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D9C6 #D94255

analogous

#42D97A #42D9C6 #42A1D9

triadic

#42D9C6 #C642D9 #D9C642

tetradic

#42D9C6 #7A42D9 #D94255 #A1D942

square

#42D9C6 #7A42D9 #D94255 #A1D942

split-complementary

#42D9C6 #D942A1 #D97A42

monochromatic

#1B8678 #25B9A6 #42D9C6 #75E3D5 #A8EDE5

Accessibility & contrast

On white

1.75

#42D9C6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#42D9C6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9C6

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D9C6	#FFFFFF	#000000	##000000
##42D9C6	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCDC5

Deuteranopia (green-blind)

#BABDC8

Tritanopia (blue-blind)

#00DDD3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42d9c6;
/* rgb */ color: rgb(66, 217, 198);
/* oklch */ color: oklch(80.3% 0.127 182.9);

Tailwind

colors: {
  custom: {
    50: '#8be5d7',
    500: '#42d9c6',
    950: '#000000',
  },
}

SCSS

$custom: #42d9c6;
$custom-light: #8be5d7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d9c6",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 198
  },
  "hsl": {
    "h": 172.45,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80277,
    "c": 0.1272,
    "h": 182.9
  },
  "luminance": 0.54861
}

Semantic roles & 50–950 ramp

primary

#42D9C6

secondary

#8C333E

accent

#3E54E9

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #42D9C6

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

Preview Lab → · Contrast checker → · Palette generator →