#42BCBB#42BCBB

#42BCBB is a light, moderate teal. Relative luminance 0.407; OKLCH L 72.9% C 0.106 H 194.3°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#42BCBB
RGB	rgb(66, 188, 187)
HSL	hsl(180, 48%, 50%)
HSV	hsv(180, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 0.5%, 26.3%)
CIE-LAB	lab(69.97, -33.21, -9.42)
CIE-LCH	lch(69.97, 34.52, 195.84°)
OKLab	oklab(72.87% -0.1027 -0.0262)
OKLCH	oklch(72.87% 0.106 194.3)
XYZ	xyz(29.1956, 40.7093, 53.3231)
Luminance	0.4071 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCBB #BC4243

analogous

#42BC7E #42BCBB #4280BC

triadic

#42BCBB #BB42BC #BCBB42

tetradic

#42BCBB #7E42BC #BC4243 #80BC42

square

#42BCBB #7E42BC #BC4243 #80BC42

split-complementary

#42BCBB #BC4280 #BC7E42

monochromatic

#226161 #328F8E #42BCBB #6FCCCC #9CDCDC

Accessibility & contrast

On white

2.30

#42BCBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#42BCBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCBB

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCBB	#FFFFFF	#000000	##000000
##42BCBB	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B3BB

Deuteranopia (green-blind)

#9EA5BC

Tritanopia (blue-blind)

#00C2BB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bcbb;
/* rgb */ color: rgb(66, 188, 187);
/* oklch */ color: oklch(72.9% 0.106 194.3);

Tailwind

colors: {
  custom: {
    50: '#86d0cf',
    500: '#42bcbb',
    950: '#000000',
  },
}

SCSS

$custom: #42bcbb;
$custom-light: #86d0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcbb",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 187
  },
  "hsl": {
    "h": 179.508,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72871,
    "c": 0.10594,
    "h": 194.3
  },
  "luminance": 0.40713
}

Semantic roles & 50–950 ramp

primary

#42BCBB

secondary

#C99192

accent

#5051D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCBB

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

Preview Lab → · Contrast checker → · Palette generator →