#42C0BC#42C0BC

#42C0BC is a light, moderate teal. Relative luminance 0.425; OKLCH L 73.9% C 0.109 H 192.0°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#42C0BC
RGB	rgb(66, 192, 188)
HSL	hsl(178, 50%, 51%)
HSV	hsv(178, 66%, 75%)
CMYK	cmyk(65.6%, 0%, 2.1%, 24.7%)
CIE-LAB	lab(71.20, -34.81, -8.13)
CIE-LCH	lch(71.20, 35.74, 193.15°)
OKLab	oklab(73.88% -0.1063 -0.0226)
OKLCH	oklch(73.88% 0.109 192)
XYZ	xyz(30.1694, 42.4850, 54.1776)
Luminance	0.4249 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C0BC #C04246

analogous

#42C07D #42C0BC #4285C0

triadic

#42C0BC #BC42C0 #C0BC42

tetradic

#42C0BC #7D42C0 #C04246 #85C042

square

#42C0BC #7D42C0 #C04246 #85C042

split-complementary

#42C0BC #C04285 #C07D42

monochromatic

#226664 #319490 #42C0BC #70CFCC #9EDFDD

Accessibility & contrast

On white

2.21

#42C0BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#42C0BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C0BC

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C0BC	#FFFFFF	#000000	##000000
##42C0BC	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B6BC

Deuteranopia (green-blind)

#A2A8BD

Tritanopia (blue-blind)

#00C5BE

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c0bc;
/* rgb */ color: rgb(66, 192, 188);
/* oklch */ color: oklch(73.9% 0.109 192.0);

Tailwind

colors: {
  custom: {
    50: '#87d3d0',
    500: '#42c0bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c0bc;
$custom-light: #87d3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c0bc",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 188
  },
  "hsl": {
    "h": 178.095,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.7388,
    "c": 0.10873,
    "h": 192
  },
  "luminance": 0.42488
}

Semantic roles & 50–950 ramp

primary

#42C0BC

secondary

#CB9395

accent

#4E53DA

background

#F8FDFC

surface

#F0FAF9

border

#CBD3D2

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C0BC

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

Preview Lab → · Contrast checker → · Palette generator →