#42BBC3#42BBC3

#42BBC3 is a light, moderate teal. Relative luminance 0.406; OKLCH L 72.9% C 0.105 H 201.4°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#42BBC3
RGB	rgb(66, 187, 195)
HSL	hsl(184, 52%, 51%)
HSV	hsv(184, 66%, 76%)
CMYK	cmyk(66.2%, 4.1%, 0%, 23.5%)
CIE-LAB	lab(69.92, -30.43, -13.88)
CIE-LCH	lch(69.92, 33.45, 204.53°)
OKLab	oklab(72.91% -0.0982 -0.0385)
OKLCH	oklch(72.91% 0.105 201.4)
XYZ	xyz(29.8631, 40.6357, 57.8888)
Luminance	0.4064 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBC3 #C34A42

analogous

#42C38A #42BBC3 #427AC3

triadic

#42BBC3 #C342BB #BBC342

tetradic

#42BBC3 #8A42C3 #C34A42 #7AC342

square

#42BBC3 #8A42C3 #C34A42 #7AC342

split-complementary

#42BBC3 #C3427A #C38A42

monochromatic

#216569 #309198 #42BBC3 #70CCD2 #9FDCE0

Accessibility & contrast

On white

2.30

#42BBC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#42BBC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC3

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBC3	#FFFFFF	#000000	##000000
##42BBC3	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB3C4

Deuteranopia (green-blind)

#9AA5C4

Tritanopia (blue-blind)

#00C2BD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbc3;
/* rgb */ color: rgb(66, 187, 195);
/* oklch */ color: oklch(72.9% 0.105 201.4);

Tailwind

colors: {
  custom: {
    50: '#87d0d5',
    500: '#42bbc3',
    950: '#000000',
  },
}

SCSS

$custom: #42bbc3;
$custom-light: #87d0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbc3",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 195
  },
  "hsl": {
    "h": 183.721,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.72911,
    "c": 0.10548,
    "h": 201.4
  },
  "luminance": 0.40639
}

Semantic roles & 50–950 ramp

primary

#42BBC3

secondary

#CD9794

accent

#554DDB

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1414

muted

#7D8283

Preview Lab

Preview with #42BBC3

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

Preview Lab → · Contrast checker → · Palette generator →