#42BBC1#42BBC1

#42BBC1 is a light, moderate teal. Relative luminance 0.405; OKLCH L 72.8% C 0.105 H 199.8°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#42BBC1
RGB	rgb(66, 187, 193)
HSL	hsl(183, 51%, 51%)
HSV	hsv(183, 66%, 76%)
CMYK	cmyk(65.8%, 3.1%, 0%, 24.3%)
CIE-LAB	lab(69.86, -31.01, -12.88)
CIE-LCH	lch(69.86, 33.58, 202.56°)
OKLab	oklab(72.84% -0.099 -0.0357)
OKLCH	oklch(72.84% 0.105 199.8)
XYZ	xyz(29.6385, 40.5458, 56.7059)
Luminance	0.4055 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBC1 #C14842

analogous

#42C188 #42BBC1 #427BC1

triadic

#42BBC1 #C142BB #BBC142

tetradic

#42BBC1 #8842C1 #C14842 #7BC142

square

#42BBC1 #8842C1 #C14842 #7BC142

split-complementary

#42BBC1 #C1427B #C18842

monochromatic

#226467 #319095 #42BBC1 #70CCD0 #9EDCDF

Accessibility & contrast

On white

2.31

#42BBC1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#42BBC1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC1

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBC1	#FFFFFF	#000000	##000000
##42BBC1	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)

#AEB3C2

Deuteranopia (green-blind)

#9BA5C2

Tritanopia (blue-blind)

#00C2BD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbc1;
/* rgb */ color: rgb(66, 187, 193);
/* oklch */ color: oklch(72.8% 0.105 199.8);

Tailwind

colors: {
  custom: {
    50: '#87d0d3',
    500: '#42bbc1',
    950: '#000000',
  },
}

SCSS

$custom: #42bbc1;
$custom-light: #87d0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbc1",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 193
  },
  "hsl": {
    "h": 182.835,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72839,
    "c": 0.10529,
    "h": 199.8
  },
  "luminance": 0.40549
}

Semantic roles & 50–950 ramp

primary

#42BBC1

secondary

#CC9693

accent

#544EDA

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0D1414

muted

#7D8282

Preview Lab

Preview with #42BBC1

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

Preview Lab → · Contrast checker → · Palette generator →