#42BBC5#42BBC5

#42BBC5 is a light, moderate teal. Relative luminance 0.407; OKLCH L 73.0% C 0.106 H 203.0°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#42BBC5
RGB	rgb(66, 187, 197)
HSL	hsl(185, 53%, 52%)
HSV	hsv(185, 66%, 77%)
CMYK	cmyk(66.5%, 5.1%, 0%, 22.7%)
CIE-LAB	lab(69.98, -29.85, -14.88)
CIE-LCH	lch(69.98, 33.35, 206.51°)
OKLab	oklab(72.98% -0.0974 -0.0413)
OKLCH	oklch(72.98% 0.106 203)
XYZ	xyz(30.0908, 40.7267, 59.0877)
Luminance	0.4073 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBC5 #C54C42

analogous

#42C58E #42BBC5 #427AC5

triadic

#42BBC5 #C542BB #BBC542

tetradic

#42BBC5 #8E42C5 #C54C42 #7AC542

square

#42BBC5 #8E42C5 #C54C42 #7AC542

split-complementary

#42BBC5 #C5427A #C58E42

monochromatic

#21666C #2F929A #42BBC5 #71CCD3 #A0DDE2

Accessibility & contrast

On white

2.30

#42BBC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#42BBC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC5

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBC5	#FFFFFF	#000000	##000000
##42BBC5	1.00	2.30	9.15	9.15
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB3C6

Deuteranopia (green-blind)

#99A5C6

Tritanopia (blue-blind)

#00C2BE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbc5;
/* rgb */ color: rgb(66, 187, 197);
/* oklch */ color: oklch(73.0% 0.106 203.0);

Tailwind

colors: {
  custom: {
    50: '#87d0d6',
    500: '#42bbc5',
    950: '#000000',
  },
}

SCSS

$custom: #42bbc5;
$custom-light: #87d0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbc5",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 197
  },
  "hsl": {
    "h": 184.58,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.72984,
    "c": 0.10575,
    "h": 203
  },
  "luminance": 0.4073
}

Semantic roles & 50–950 ramp

primary

#42BBC5

secondary

#CE9995

accent

#564BDC

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1414

muted

#7D8283

Preview Lab

Preview with #42BBC5

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

Preview Lab → · Contrast checker → · Palette generator →