#42C1BC#42C1BC

#42C1BC is a light, moderate teal. Relative luminance 0.429; OKLCH L 74.1% C 0.109 H 191.3°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#42C1BC
RGB	rgb(66, 193, 188)
HSL	hsl(178, 51%, 51%)
HSV	hsv(178, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 2.6%, 24.3%)
CIE-LAB	lab(71.50, -35.27, -7.69)
CIE-LCH	lch(71.50, 36.10, 192.29°)
OKLab	oklab(74.12% -0.1074 -0.0214)
OKLCH	oklch(74.12% 0.109 191.3)
XYZ	xyz(30.3897, 42.9256, 54.2511)
Luminance	0.4293 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C1BC #C14247

analogous

#42C17C #42C1BC #4286C1

triadic

#42C1BC #BC42C1 #C1BC42

tetradic

#42C1BC #7C42C1 #C14247 #86C142

square

#42C1BC #7C42C1 #C14247 #86C142

split-complementary

#42C1BC #C14286 #C17C42

monochromatic

#226764 #319591 #42C1BC #70D0CC #9EDFDD

Accessibility & contrast

On white

2.19

#42C1BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#42C1BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C1BC

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C1BC	#FFFFFF	#000000	##000000
##42C1BC	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B7BC

Deuteranopia (green-blind)

#A3A9BD

Tritanopia (blue-blind)

#00C6BF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c1bc;
/* rgb */ color: rgb(66, 193, 188);
/* oklch */ color: oklch(74.1% 0.109 191.3);

Tailwind

colors: {
  custom: {
    50: '#87d4d0',
    500: '#42c1bc',
    950: '#000000',
  },
}

SCSS

$custom: #42c1bc;
$custom-light: #87d4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#42c1bc",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 188
  },
  "hsl": {
    "h": 177.638,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.74124,
    "c": 0.10948,
    "h": 191.3
  },
  "luminance": 0.42929
}

Semantic roles & 50–950 ramp

primary

#42C1BC

secondary

#CC9395

accent

#4E53DA

background

#F8FDFC

surface

#F0FAF9

border

#CBD3D2

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C1BC

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

Preview Lab → · Contrast checker → · Palette generator →