#42BDB5#42BDB5

#42BDB5 is a light, moderate teal. Relative luminance 0.409; OKLCH L 72.9% C 0.108 H 188.9°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#42BDB5
RGB	rgb(66, 189, 181)
HSL	hsl(176, 48%, 50%)
HSV	hsv(176, 65%, 74%)
CMYK	cmyk(65.1%, 0%, 4.2%, 25.9%)
CIE-LAB	lab(70.10, -35.35, -5.94)
CIE-LCH	lch(70.10, 35.84, 189.54°)
OKLab	oklab(72.91% -0.1063 -0.0167)
OKLCH	oklch(72.91% 0.108 188.9)
XYZ	xyz(28.7811, 40.8864, 50.0822)
Luminance	0.4089 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BDB5 #BD424A

analogous

#42BD78 #42BDB5 #4287BD

triadic

#42BDB5 #B542BD #BDB542

tetradic

#42BDB5 #7842BD #BD424A #87BD42

square

#42BDB5 #7842BD #BD424A #87BD42

split-complementary

#42BDB5 #BD4287 #BD7842

monochromatic

#22625E #32908A #42BDB5 #6FCDC7 #9DDDD9

Accessibility & contrast

On white

2.29

#42BDB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#42BDB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BDB5

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BDB5	#FFFFFF	#000000	##000000
##42BDB5	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B3B5

Deuteranopia (green-blind)

#A0A6B6

Tritanopia (blue-blind)

#00C2BA

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bdb5;
/* rgb */ color: rgb(66, 189, 181);
/* oklch */ color: oklch(72.9% 0.108 188.9);

Tailwind

colors: {
  custom: {
    50: '#86d1cb',
    500: '#42bdb5',
    950: '#000000',
  },
}

SCSS

$custom: #42bdb5;
$custom-light: #86d1cb;
$custom-dark: #000000;

JSON

{
  "hex": "#42bdb5",
  "rgb": {
    "r": 66,
    "g": 189,
    "b": 181
  },
  "hsl": {
    "h": 176.098,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.72913,
    "c": 0.10764,
    "h": 188.9
  },
  "luminance": 0.4089
}

Semantic roles & 50–950 ramp

primary

#42BDB5

secondary

#C99295

accent

#5059D8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BDB5

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

Preview Lab → · Contrast checker → · Palette generator →