#42C9BF#42C9BF

#42C9BF is a light, moderate teal. Relative luminance 0.467; OKLCH L 76.2% C 0.115 H 187.9°. Best body text is #000000 at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#42C9BF
RGB	rgb(66, 201, 191)
HSL	hsl(176, 56%, 52%)
HSV	hsv(176, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 5%, 21.2%)
CIE-LAB	lab(73.99, -38.13, -5.63)
CIE-LCH	lch(73.99, 38.55, 188.40°)
OKLab	oklab(76.17% -0.1142 -0.0159)
OKLCH	oklch(76.17% 0.115 187.9)
XYZ	xyz(32.5330, 46.6894, 56.5775)
Luminance	0.4669 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C9BF #C9424C

analogous

#42C97C #42C9BF #428FC9

triadic

#42C9BF #BF42C9 #C9BF42

tetradic

#42C9BF #7C42C9 #C9424C #8FC942

square

#42C9BF #7C42C9 #C9424C #8FC942

split-complementary

#42C9BF #C9428F #C97C42

monochromatic

#20706B #2EA098 #42C9BF #72D7CF #A1E4DF

Accessibility & contrast

On white

2.03

#42C9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.34

#42C9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C9BF

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C9BF	#FFFFFF	#000000	##000000
##42C9BF	1.00	2.03	10.34	10.34
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.34	21.00	1.00	1.00
##000000	10.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBEBF

Deuteranopia (green-blind)

#AAB0C0

Tritanopia (blue-blind)

#00CEC6

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42c9bf;
/* rgb */ color: rgb(66, 201, 191);
/* oklch */ color: oklch(76.2% 0.115 187.9);

Tailwind

colors: {
  custom: {
    50: '#88dad2',
    500: '#42c9bf',
    950: '#000000',
  },
}

SCSS

$custom: #42c9bf;
$custom-light: #88dad2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c9bf",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 191
  },
  "hsl": {
    "h": 175.556,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.76171,
    "c": 0.11527,
    "h": 187.9
  },
  "luminance": 0.46693
}

Semantic roles & 50–950 ramp

primary

#42C9BF

secondary

#D1969A

accent

#4954DF

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1514

muted

#7E8382

Preview Lab

Preview with #42C9BF

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

Preview Lab → · Contrast checker → · Palette generator →