#42BBC4#42BBC4

#42BBC4 is a light, moderate teal. Relative luminance 0.407; OKLCH L 72.9% C 0.106 H 202.2°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#42BBC4
RGB	rgb(66, 187, 196)
HSL	hsl(184, 52%, 51%)
HSV	hsv(184, 66%, 77%)
CMYK	cmyk(66.3%, 4.6%, 0%, 23.1%)
CIE-LAB	lab(69.95, -30.14, -14.38)
CIE-LCH	lch(69.95, 33.40, 205.51°)
OKLab	oklab(72.95% -0.0978 -0.0399)
OKLCH	oklch(72.95% 0.106 202.2)
XYZ	xyz(29.9766, 40.6811, 58.4862)
Luminance	0.4068 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBC4 #C44B42

analogous

#42C48C #42BBC4 #427AC4

triadic

#42BBC4 #C442BB #BBC442

tetradic

#42BBC4 #8C42C4 #C44B42 #7AC442

square

#42BBC4 #8C42C4 #C44B42 #7AC442

split-complementary

#42BBC4 #C4427A #C48C42

monochromatic

#21656A #309299 #42BBC4 #71CCD3 #9FDDE1

Accessibility & contrast

On white

2.30

#42BBC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#42BBC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC4

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBC4	#FFFFFF	#000000	##000000
##42BBC4	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)

#ADB3C5

Deuteranopia (green-blind)

#9AA5C5

Tritanopia (blue-blind)

#00C2BD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbc4;
/* rgb */ color: rgb(66, 187, 196);
/* oklch */ color: oklch(72.9% 0.106 202.2);

Tailwind

colors: {
  custom: {
    50: '#87d0d5',
    500: '#42bbc4',
    950: '#000000',
  },
}

SCSS

$custom: #42bbc4;
$custom-light: #87d0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbc4",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 196
  },
  "hsl": {
    "h": 184.154,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72948,
    "c": 0.1056,
    "h": 202.2
  },
  "luminance": 0.40684
}

Semantic roles & 50–950 ramp

primary

#42BBC4

secondary

#CE9894

accent

#564CDC

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1414

muted

#7D8283

Preview Lab

Preview with #42BBC4

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

Preview Lab → · Contrast checker → · Palette generator →