#42C1BB#42C1BB

#42C1BB is a light, moderate teal. Relative luminance 0.429; OKLCH L 74.1% C 0.110 H 190.5°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#42C1BB
RGB	rgb(66, 193, 187)
HSL	hsl(177, 51%, 51%)
HSV	hsv(177, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 3.1%, 24.3%)
CIE-LAB	lab(71.48, -35.55, -7.18)
CIE-LCH	lch(71.48, 36.27, 191.42°)
OKLab	oklab(74.09% -0.1078 -0.0201)
OKLCH	oklch(74.09% 0.11 190.5)
XYZ	xyz(30.2823, 42.8826, 53.6853)
Luminance	0.4289 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C1BB #C14248

analogous

#42C17B #42C1BB #4288C1

triadic

#42C1BB #BB42C1 #C1BB42

tetradic

#42C1BB #7B42C1 #C14248 #88C142

square

#42C1BB #7B42C1 #C14248 #88C142

split-complementary

#42C1BB #C14288 #C17B42

monochromatic

#226764 #319590 #42C1BB #70D0CC #9EDFDC

Accessibility & contrast

On white

2.19

#42C1BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#42C1BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C1BB

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C1BB	#FFFFFF	#000000	##000000
##42C1BB	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B7BB

Deuteranopia (green-blind)

#A3A9BC

Tritanopia (blue-blind)

#00C6BF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c1bb;
/* rgb */ color: rgb(66, 193, 187);
/* oklch */ color: oklch(74.1% 0.110 190.5);

Tailwind

colors: {
  custom: {
    50: '#87d4cf',
    500: '#42c1bb',
    950: '#000000',
  },
}

SCSS

$custom: #42c1bb;
$custom-light: #87d4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42c1bb",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 187
  },
  "hsl": {
    "h": 177.165,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.7409,
    "c": 0.10965,
    "h": 190.5
  },
  "luminance": 0.42886
}

Semantic roles & 50–950 ramp

primary

#42C1BB

secondary

#CC9396

accent

#4E54DA

background

#F8FDFC

surface

#F0FAF9

border

#CBD3D2

text

#0D1413

muted

#7D8382

Preview Lab

Preview with #42C1BB

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

Preview Lab → · Contrast checker → · Palette generator →