#42CBBB#42CBBB

#42CBBB is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.5% C 0.118 H 183.9°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#42CBBB
RGB	rgb(66, 203, 187)
HSL	hsl(173, 57%, 53%)
HSV	hsv(173, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 7.9%, 20.4%)
CIE-LAB	lab(74.48, -40.12, -2.75)
CIE-LCH	lch(74.48, 40.21, 183.92°)
OKLab	oklab(76.53% -0.118 -0.0081)
OKLCH	oklch(76.53% 0.118 183.9)
XYZ	xyz(32.5681, 47.4543, 54.4472)
Luminance	0.4746 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CBBB #CB4252

analogous

#42CB77 #42CBBB #4296CB

triadic

#42CBBB #BB42CB #CBBB42

tetradic

#42CBBB #7742CB #CB4252 #96CB42

square

#42CBBB #7742CB #CB4252 #96CB42

split-complementary

#42CBBB #CB4296 #CB7742

monochromatic

#207369 #2DA395 #42CBBB #72D8CC #A2E5DE

Accessibility & contrast

On white

2.00

#42CBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#42CBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBBB

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CBBB	#FFFFFF	#000000	##000000
##42CBBB	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C0BA

Deuteranopia (green-blind)

#AEB1BD

Tritanopia (blue-blind)

#00CFC6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42cbbb;
/* rgb */ color: rgb(66, 203, 187);
/* oklch */ color: oklch(76.5% 0.118 183.9);

Tailwind

colors: {
  custom: {
    50: '#88dbcf',
    500: '#42cbbb',
    950: '#000000',
  },
}

SCSS

$custom: #42cbbb;
$custom-light: #88dbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#42cbbb",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 187
  },
  "hsl": {
    "h": 172.993,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.76532,
    "c": 0.11825,
    "h": 183.9
  },
  "luminance": 0.47458
}

Semantic roles & 50–950 ramp

primary

#42CBBB

secondary

#D2979E

accent

#4859E0

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #42CBBB

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

Preview Lab → · Contrast checker → · Palette generator →