#42C1B2#42C1B2

#42C1B2 is a light, moderate teal. Relative luminance 0.425; OKLCH L 73.8% C 0.112 H 184.0°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#42C1B2
RGB	rgb(66, 193, 178)
HSL	hsl(173, 51%, 51%)
HSV	hsv(173, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 7.8%, 24.3%)
CIE-LAB	lab(71.22, -38.00, -2.64)
CIE-LCH	lch(71.22, 38.09, 183.98°)
OKLab	oklab(73.8% -0.1118 -0.0077)
OKLCH	oklch(73.8% 0.112 184)
XYZ	xyz(29.3489, 42.5093, 48.7692)
Luminance	0.4251 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C1B2 #C14251

analogous

#42C172 #42C1B2 #4291C1

triadic

#42C1B2 #B242C1 #C1B242

tetradic

#42C1B2 #7242C1 #C14251 #91C142

square

#42C1B2 #7242C1 #C14251 #91C142

split-complementary

#42C1B2 #C14291 #C17242

monochromatic

#22675F #319589 #42C1B2 #70D0C5 #9EDFD8

Accessibility & contrast

On white

2.21

#42C1B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#42C1B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C1B2

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C1B2	#FFFFFF	#000000	##000000
##42C1B2	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)

#B8B6B2

Deuteranopia (green-blind)

#A5A9B4

Tritanopia (blue-blind)

#00C5BC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c1b2;
/* rgb */ color: rgb(66, 193, 178);
/* oklch */ color: oklch(73.8% 0.112 184.0);

Tailwind

colors: {
  custom: {
    50: '#86d4c9',
    500: '#42c1b2',
    950: '#000000',
  },
}

SCSS

$custom: #42c1b2;
$custom-light: #86d4c9;
$custom-dark: #000000;

JSON

{
  "hex": "#42c1b2",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 178
  },
  "hsl": {
    "h": 172.913,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.73799,
    "c": 0.11209,
    "h": 184
  },
  "luminance": 0.42513
}

Semantic roles & 50–950 ramp

primary

#42C1B2

secondary

#CC939A

accent

#4E5EDA

background

#F8FDFC

surface

#F0FAF8

border

#CBD3D1

text

#0C1413

muted

#7D8382

Preview Lab

Preview with #42C1B2

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

Preview Lab → · Contrast checker → · Palette generator →