#42BCB9#42BCB9

#42BCB9 is a light, moderate teal. Relative luminance 0.406; OKLCH L 72.8% C 0.106 H 192.7°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#42BCB9
RGB	rgb(66, 188, 185)
HSL	hsl(179, 48%, 50%)
HSV	hsv(179, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 1.6%, 26.3%)
CIE-LAB	lab(69.91, -33.77, -8.41)
CIE-LCH	lch(69.91, 34.80, 193.99°)
OKLab	oklab(72.8% -0.1035 -0.0234)
OKLCH	oklch(72.8% 0.106 192.7)
XYZ	xyz(28.9830, 40.6243, 52.2033)
Luminance	0.4063 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCB9 #BC4245

analogous

#42BC7C #42BCB9 #4282BC

triadic

#42BCB9 #B942BC #BCB942

tetradic

#42BCB9 #7C42BC #BC4245 #82BC42

square

#42BCB9 #7C42BC #BC4245 #82BC42

split-complementary

#42BCB9 #BC4282 #BC7C42

monochromatic

#226160 #328F8C #42BCB9 #6FCCCA #9CDCDB

Accessibility & contrast

On white

2.30

#42BCB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#42BCB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCB9

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCB9	#FFFFFF	#000000	##000000
##42BCB9	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B3B9

Deuteranopia (green-blind)

#9EA5BA

Tritanopia (blue-blind)

#00C1BB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bcb9;
/* rgb */ color: rgb(66, 188, 185);
/* oklch */ color: oklch(72.8% 0.106 192.7);

Tailwind

colors: {
  custom: {
    50: '#86d0ce',
    500: '#42bcb9',
    950: '#000000',
  },
}

SCSS

$custom: #42bcb9;
$custom-light: #86d0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcb9",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 185
  },
  "hsl": {
    "h": 178.525,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.72803,
    "c": 0.10615,
    "h": 192.7
  },
  "luminance": 0.40627
}

Semantic roles & 50–950 ramp

primary

#42BCB9

secondary

#C99193

accent

#5054D8

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BCB9

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

Preview Lab → · Contrast checker → · Palette generator →