#42CBBF#42CBBF

#42CBBF is a light, moderate teal. Relative luminance 0.476; OKLCH L 76.7% C 0.117 H 186.6°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#42CBBF
RGB	rgb(66, 203, 191)
HSL	hsl(175, 57%, 53%)
HSV	hsv(175, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 5.9%, 20.4%)
CIE-LAB	lab(74.59, -39.04, -4.75)
CIE-LCH	lch(74.59, 39.33, 186.93°)
OKLab	oklab(76.66% -0.1162 -0.0135)
OKLCH	oklch(76.66% 0.117 186.6)
XYZ	xyz(33.0023, 47.6280, 56.7339)
Luminance	0.4763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CBBF #CB424E

analogous

#42CB7B #42CBBF #4292CB

triadic

#42CBBF #BF42CB #CBBF42

tetradic

#42CBBF #7B42CB #CB424E #92CB42

square

#42CBBF #7B42CB #CB424E #92CB42

split-complementary

#42CBBF #CB4292 #CB7B42

monochromatic

#20736C #2DA399 #42CBBF #72D8CF #A2E5E0

Accessibility & contrast

On white

1.99

#42CBBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#42CBBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CBBF

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CBBF	#FFFFFF	#000000	##000000
##42CBBF	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C0BF

Deuteranopia (green-blind)

#ADB1C0

Tritanopia (blue-blind)

#00D0C7

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42cbbf;
/* rgb */ color: rgb(66, 203, 191);
/* oklch */ color: oklch(76.7% 0.117 186.6);

Tailwind

colors: {
  custom: {
    50: '#88dbd2',
    500: '#42cbbf',
    950: '#000000',
  },
}

SCSS

$custom: #42cbbf;
$custom-light: #88dbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#42cbbf",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 191
  },
  "hsl": {
    "h": 174.745,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.76658,
    "c": 0.11697,
    "h": 186.6
  },
  "luminance": 0.47632
}

Semantic roles & 50–950 ramp

primary

#42CBBF

secondary

#D2979C

accent

#4855E0

background

#F9FDFC

surface

#F1FBF9

border

#CBD4D2

text

#0D1514

muted

#7E8382

Preview Lab

Preview with #42CBBF

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

Preview Lab → · Contrast checker → · Palette generator →