#42BBB2#42BBB2

#42BBB2 is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.3% C 0.107 H 188.1°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#42BBB2
RGB	rgb(66, 187, 178)
HSL	hsl(176, 48%, 50%)
HSV	hsv(176, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 4.8%, 26.7%)
CIE-LAB	lab(69.41, -35.24, -5.32)
CIE-LCH	lch(69.41, 35.64, 188.58°)
OKLab	oklab(72.32% -0.1056 -0.015)
OKLCH	oklch(72.32% 0.107 188.1)
XYZ	xyz(28.0493, 39.9102, 48.3360)
Luminance	0.3991 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBB2 #BB424B

analogous

#42BB76 #42BBB2 #4288BB

triadic

#42BBB2 #B242BB #BBB242

tetradic

#42BBB2 #7642BB #BB424B #88BB42

square

#42BBB2 #7642BB #BB424B #88BB42

split-complementary

#42BBB2 #BB4288 #BB7642

monochromatic

#22615C #328E87 #42BBB2 #6ECCC5 #9CDCD7

Accessibility & contrast

On white

2.34

#42BBB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#42BBB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBB2

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBB2	#FFFFFF	#000000	##000000
##42BBB2	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B1B2

Deuteranopia (green-blind)

#9FA4B3

Tritanopia (blue-blind)

#00BFB8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42bbb2;
/* rgb */ color: rgb(66, 187, 178);
/* oklch */ color: oklch(72.3% 0.107 188.1);

Tailwind

colors: {
  custom: {
    50: '#85d0c9',
    500: '#42bbb2',
    950: '#000000',
  },
}

SCSS

$custom: #42bbb2;
$custom-light: #85d0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbb2",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 178
  },
  "hsl": {
    "h": 175.537,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72324,
    "c": 0.10665,
    "h": 188.1
  },
  "luminance": 0.39913
}

Semantic roles & 50–950 ramp

primary

#42BBB2

secondary

#C89195

accent

#505AD7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBB2

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

Preview Lab → · Contrast checker → · Palette generator →