#42BBB9#42BBB9

#42BBB9 is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.6% C 0.105 H 193.5°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#42BBB9
RGB	rgb(66, 187, 185)
HSL	hsl(179, 48%, 50%)
HSV	hsv(179, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 1.1%, 26.7%)
CIE-LAB	lab(69.61, -33.30, -8.86)
CIE-LCH	lch(69.61, 34.45, 194.90°)
OKLab	oklab(72.56% -0.1025 -0.0246)
OKLCH	oklch(72.56% 0.105 193.5)
XYZ	xyz(28.7701, 40.1985, 52.1324)
Luminance	0.4020 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBB9 #BB4244

analogous

#42BB7C #42BBB9 #4281BB

triadic

#42BBB9 #B942BB #BBB942

tetradic

#42BBB9 #7C42BB #BB4244 #81BB42

square

#42BBB9 #7C42BB #BB4244 #81BB42

split-complementary

#42BBB9 #BB4281 #BB7C42

monochromatic

#22615F #328E8C #42BBB9 #6ECCCA #9CDCDB

Accessibility & contrast

On white

2.32

#42BBB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#42BBB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBB9

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBB9	#FFFFFF	#000000	##000000
##42BBB9	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B2B9

Deuteranopia (green-blind)

#9DA4BA

Tritanopia (blue-blind)

#00C0BA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bbb9;
/* rgb */ color: rgb(66, 187, 185);
/* oklch */ color: oklch(72.6% 0.105 193.5);

Tailwind

colors: {
  custom: {
    50: '#86d0ce',
    500: '#42bbb9',
    950: '#000000',
  },
}

SCSS

$custom: #42bbb9;
$custom-light: #86d0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbb9",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 185
  },
  "hsl": {
    "h": 179.008,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72558,
    "c": 0.10542,
    "h": 193.5
  },
  "luminance": 0.40202
}

Semantic roles & 50–950 ramp

primary

#42BBB9

secondary

#C89192

accent

#5053D7

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBB9

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

Preview Lab → · Contrast checker → · Palette generator →