#42BCB0#42BCB0

#42BCB0 is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.5% C 0.108 H 185.8°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB0
RGB	rgb(66, 188, 176)
HSL	hsl(174, 48%, 50%)
HSV	hsv(174, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 6.4%, 26.3%)
CIE-LAB	lab(69.65, -36.25, -3.86)
CIE-LCH	lch(69.65, 36.45, 186.07°)
OKLab	oklab(72.51% -0.1075 -0.011)
OKLCH	oklch(72.51% 0.108 185.8)
XYZ	xyz(28.0629, 40.2562, 47.3571)
Luminance	0.4026 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB0 #BC424E

analogous

#42BC73 #42BCB0 #428BBC

triadic

#42BCB0 #B042BC #BCB042

tetradic

#42BCB0 #7342BC #BC424E #8BBC42

square

#42BCB0 #7342BC #BC424E #8BBC42

split-complementary

#42BCB0 #BC428B #BC7342

monochromatic

#22615B #328F86 #42BCB0 #6FCCC3 #9CDCD6

Accessibility & contrast

On white

2.32

#42BCB0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#42BCB0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB0

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB0	#FFFFFF	#000000	##000000
##42BCB0	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B2B0

Deuteranopia (green-blind)

#A0A5B1

Tritanopia (blue-blind)

#00C0B8

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bcb0;
/* rgb */ color: rgb(66, 188, 176);
/* oklch */ color: oklch(72.5% 0.108 185.8);

Tailwind

colors: {
  custom: {
    50: '#85d1c7',
    500: '#42bcb0',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb0;
$custom-light: #85d1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb0",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 176
  },
  "hsl": {
    "h": 174.098,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72505,
    "c": 0.1081,
    "h": 185.8
  },
  "luminance": 0.40259
}

Semantic roles & 50–950 ramp

primary

#42BCB0

secondary

#C99197

accent

#505ED8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB0

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

Preview Lab → · Contrast checker → · Palette generator →