#42BCB7#42BCB7

#42BCB7 is a light, moderate teal. Relative luminance 0.405; OKLCH L 72.7% C 0.106 H 191.2°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB7
RGB	rgb(66, 188, 183)
HSL	hsl(178, 48%, 50%)
HSV	hsv(178, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 2.7%, 26.3%)
CIE-LAB	lab(69.85, -34.33, -7.40)
CIE-LCH	lch(69.85, 35.12, 192.17°)
OKLab	oklab(72.74% -0.1044 -0.0206)
OKLCH	oklch(72.74% 0.106 191.2)
XYZ	xyz(28.7734, 40.5404, 51.0992)
Luminance	0.4054 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB7 #BC4247

analogous

#42BC7A #42BCB7 #4284BC

triadic

#42BCB7 #B742BC #BCB742

tetradic

#42BCB7 #7A42BC #BC4247 #84BC42

square

#42BCB7 #7A42BC #BC4247 #84BC42

split-complementary

#42BCB7 #BC4284 #BC7A42

monochromatic

#22615F #328F8B #42BCB7 #6FCCC9 #9CDCDA

Accessibility & contrast

On white

2.31

#42BCB7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#42BCB7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB7

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB7	#FFFFFF	#000000	##000000
##42BCB7	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B3B7

Deuteranopia (green-blind)

#9FA5B8

Tritanopia (blue-blind)

#00C1BA

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bcb7;
/* rgb */ color: rgb(66, 188, 183);
/* oklch */ color: oklch(72.7% 0.106 191.2);

Tailwind

colors: {
  custom: {
    50: '#86d0cc',
    500: '#42bcb7',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb7;
$custom-light: #86d0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb7",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 183
  },
  "hsl": {
    "h": 177.541,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72735,
    "c": 0.10644,
    "h": 191.2
  },
  "luminance": 0.40544
}

Semantic roles & 50–950 ramp

primary

#42BCB7

secondary

#C99194

accent

#5056D8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB7

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

Preview Lab → · Contrast checker → · Palette generator →