#42C1BF#42C1BF

#42C1BF is a light, moderate teal. Relative luminance 0.431; OKLCH L 74.2% C 0.109 H 193.5°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#42C1BF
RGB	rgb(66, 193, 191)
HSL	hsl(179, 51%, 51%)
HSV	hsv(179, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 1%, 24.3%)
CIE-LAB	lab(71.59, -34.44, -9.19)
CIE-LCH	lch(71.59, 35.64, 194.94°)
OKLab	oklab(74.22% -0.106 -0.0255)
OKLCH	oklch(74.22% 0.109 193.5)
XYZ	xyz(30.7165, 43.0563, 55.9720)
Luminance	0.4306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C1BF #C14244

analogous

#42C17F #42C1BF #4283C1

triadic

#42C1BF #BF42C1 #C1BF42

tetradic

#42C1BF #7F42C1 #C14244 #83C142

square

#42C1BF #7F42C1 #C14244 #83C142

split-complementary

#42C1BF #C14283 #C17F42

monochromatic

#226766 #319593 #42C1BF #70D0CF #9EDFDE

Accessibility & contrast

On white

2.18

#42C1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#42C1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C1BF

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C1BF	#FFFFFF	#000000	##000000
##42C1BF	1.00	2.18	9.61	9.61
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B8BF

Deuteranopia (green-blind)

#A2A9C0

Tritanopia (blue-blind)

#00C7C0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #42c1bf;
/* rgb */ color: rgb(66, 193, 191);
/* oklch */ color: oklch(74.2% 0.109 193.5);

Tailwind

colors: {
  custom: {
    50: '#87d4d2',
    500: '#42c1bf',
    950: '#000000',
  },
}

SCSS

$custom: #42c1bf;
$custom-light: #87d4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42c1bf",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 191
  },
  "hsl": {
    "h": 179.055,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.74225,
    "c": 0.10908,
    "h": 193.5
  },
  "luminance": 0.4306
}

Semantic roles & 50–950 ramp

primary

#42C1BF

secondary

#CC9394

accent

#4E50DA

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #42C1BF

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

Preview Lab → · Contrast checker → · Palette generator →