#42C0BB#42C0BB

#42C0BB is a light, moderate teal. Relative luminance 0.424; OKLCH L 73.8% C 0.109 H 191.3°. Best body text is #000000 at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#42C0BB
RGB	rgb(66, 192, 187)
HSL	hsl(178, 50%, 51%)
HSV	hsv(178, 66%, 75%)
CMYK	cmyk(65.6%, 0%, 2.6%, 24.7%)
CIE-LAB	lab(71.17, -35.09, -7.63)
CIE-LCH	lch(71.17, 35.91, 192.27°)
OKLab	oklab(73.85% -0.1068 -0.0213)
OKLCH	oklch(73.85% 0.109 191.3)
XYZ	xyz(30.0620, 42.4420, 53.6119)
Luminance	0.4244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C0BB #C04247

analogous

#42C07C #42C0BB #4286C0

triadic

#42C0BB #BB42C0 #C0BB42

tetradic

#42C0BB #7C42C0 #C04247 #86C042

square

#42C0BB #7C42C0 #C04247 #86C042

split-complementary

#42C0BB #C04286 #C07C42

monochromatic

#226663 #319490 #42C0BB #70CFCC #9EDFDC

Accessibility & contrast

On white

2.21

#42C0BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.49

#42C0BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0BB

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C0BB	#FFFFFF	#000000	##000000
##42C0BB	1.00	2.21	9.49	9.49
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.49	21.00	1.00	1.00
##000000	9.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B6BB

Deuteranopia (green-blind)

#A2A8BC

Tritanopia (blue-blind)

#00C5BE

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c0bb;
/* rgb */ color: rgb(66, 192, 187);
/* oklch */ color: oklch(73.8% 0.109 191.3);

Tailwind

colors: {
  custom: {
    50: '#87d3cf',
    500: '#42c0bb',
    950: '#000000',
  },
}

SCSS

$custom: #42c0bb;
$custom-light: #87d3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42c0bb",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 187
  },
  "hsl": {
    "h": 177.619,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.73846,
    "c": 0.10888,
    "h": 191.3
  },
  "luminance": 0.42445
}

Semantic roles & 50–950 ramp

primary

#42C0BB

secondary

#CB9395

accent

#4E54DA

background

#F8FDFC

surface

#F0FAF9

border

#CBD3D2

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C0BB

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

Preview Lab → · Contrast checker → · Palette generator →