#42BBB7#42BBB7

#42BBB7 is a light, moderate teal. Relative luminance 0.401; OKLCH L 72.5% C 0.106 H 191.9°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#42BBB7
RGB	rgb(66, 187, 183)
HSL	hsl(178, 48%, 50%)
HSV	hsv(178, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 2.1%, 26.7%)
CIE-LAB	lab(69.55, -33.86, -7.85)
CIE-LCH	lch(69.55, 34.75, 193.05°)
OKLab	oklab(72.49% -0.1034 -0.0219)
OKLCH	oklch(72.49% 0.106 191.9)
XYZ	xyz(28.5605, 40.1146, 51.0283)
Luminance	0.4012 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBB7 #BB4246

analogous

#42BB7B #42BBB7 #4282BB

triadic

#42BBB7 #B742BB #BBB742

tetradic

#42BBB7 #7B42BB #BB4246 #82BB42

square

#42BBB7 #7B42BB #BB4246 #82BB42

split-complementary

#42BBB7 #BB4282 #BB7B42

monochromatic

#22615E #328E8B #42BBB7 #6ECCC9 #9CDCDA

Accessibility & contrast

On white

2.33

#42BBB7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#42BBB7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBB7

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBB7	#FFFFFF	#000000	##000000
##42BBB7	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B2B7

Deuteranopia (green-blind)

#9EA4B8

Tritanopia (blue-blind)

#00C0B9

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bbb7;
/* rgb */ color: rgb(66, 187, 183);
/* oklch */ color: oklch(72.5% 0.106 191.9);

Tailwind

colors: {
  custom: {
    50: '#86d0cc',
    500: '#42bbb7',
    950: '#000000',
  },
}

SCSS

$custom: #42bbb7;
$custom-light: #86d0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbb7",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 183
  },
  "hsl": {
    "h": 178.017,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.7249,
    "c": 0.10567,
    "h": 191.9
  },
  "luminance": 0.40118
}

Semantic roles & 50–950 ramp

primary

#42BBB7

secondary

#C89193

accent

#5055D7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBB7

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

Preview Lab → · Contrast checker → · Palette generator →