#42BBB8#42BBB8

#42BBB8 is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.5% C 0.106 H 192.7°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#42BBB8
RGB	rgb(66, 187, 184)
HSL	hsl(179, 48%, 50%)
HSV	hsv(179, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 1.6%, 26.7%)
CIE-LAB	lab(69.58, -33.58, -8.35)
CIE-LCH	lch(69.58, 34.60, 193.97°)
OKLab	oklab(72.52% -0.1029 -0.0232)
OKLCH	oklch(72.52% 0.106 192.7)
XYZ	xyz(28.6649, 40.1564, 51.5784)
Luminance	0.4016 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBB8 #BB4245

analogous

#42BB7B #42BBB8 #4282BB

triadic

#42BBB8 #B842BB #BBB842

tetradic

#42BBB8 #7B42BB #BB4245 #82BB42

square

#42BBB8 #7B42BB #BB4245 #82BB42

split-complementary

#42BBB8 #BB4282 #BB7B42

monochromatic

#22615F #328E8B #42BBB8 #6ECCCA #9CDCDA

Accessibility & contrast

On white

2.33

#42BBB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#42BBB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBB8

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBB8	#FFFFFF	#000000	##000000
##42BBB8	1.00	2.33	9.03	9.03
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B2B8

Deuteranopia (green-blind)

#9DA4B9

Tritanopia (blue-blind)

#00C0BA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bbb8;
/* rgb */ color: rgb(66, 187, 184);
/* oklch */ color: oklch(72.5% 0.106 192.7);

Tailwind

colors: {
  custom: {
    50: '#86d0cd',
    500: '#42bbb8',
    950: '#000000',
  },
}

SCSS

$custom: #42bbb8;
$custom-light: #86d0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbb8",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 184
  },
  "hsl": {
    "h": 178.512,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72524,
    "c": 0.10553,
    "h": 192.7
  },
  "luminance": 0.4016
}

Semantic roles & 50–950 ramp

primary

#42BBB8

secondary

#C89192

accent

#5054D7

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBB8

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

Preview Lab → · Contrast checker → · Palette generator →