#42BCB8#42BCB8

#42BCB8 is a light, moderate teal. Relative luminance 0.406; OKLCH L 72.8% C 0.106 H 192.0°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB8
RGB	rgb(66, 188, 184)
HSL	hsl(178, 48%, 50%)
HSV	hsv(178, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 2.1%, 26.3%)
CIE-LAB	lab(69.88, -34.05, -7.91)
CIE-LCH	lch(69.88, 34.95, 193.07°)
OKLab	oklab(72.77% -0.104 -0.022)
OKLCH	oklch(72.77% 0.106 192)
XYZ	xyz(28.8778, 40.5822, 51.6493)
Luminance	0.4058 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB8 #BC4246

analogous

#42BC7B #42BCB8 #4283BC

triadic

#42BCB8 #B842BC #BCB842

tetradic

#42BCB8 #7B42BC #BC4246 #83BC42

square

#42BCB8 #7B42BC #BC4246 #83BC42

split-complementary

#42BCB8 #BC4283 #BC7B42

monochromatic

#22615F #328F8C #42BCB8 #6FCCC9 #9CDCDA

Accessibility & contrast

On white

2.30

#42BCB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#42BCB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB8

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB8	#FFFFFF	#000000	##000000
##42BCB8	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B3B8

Deuteranopia (green-blind)

#9EA5B9

Tritanopia (blue-blind)

#00C1BA

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bcb8;
/* rgb */ color: rgb(66, 188, 184);
/* oklch */ color: oklch(72.8% 0.106 192.0);

Tailwind

colors: {
  custom: {
    50: '#86d0cd',
    500: '#42bcb8',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb8;
$custom-light: #86d0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb8",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 184
  },
  "hsl": {
    "h": 178.033,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72769,
    "c": 0.10629,
    "h": 192
  },
  "luminance": 0.40585
}

Semantic roles & 50–950 ramp

primary

#42BCB8

secondary

#C99193

accent

#5055D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB8

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

Preview Lab → · Contrast checker → · Palette generator →