#42BAB9#42BAB9

#42BAB9 is a light, moderate teal. Relative luminance 0.398; OKLCH L 72.3% C 0.105 H 194.3°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#42BAB9
RGB	rgb(66, 186, 185)
HSL	hsl(180, 48%, 49%)
HSV	hsv(180, 65%, 73%)
CMYK	cmyk(64.5%, 0%, 0.5%, 27.1%)
CIE-LAB	lab(69.31, -32.82, -9.31)
CIE-LCH	lch(69.31, 34.12, 195.83°)
OKLab	oklab(72.31% -0.1015 -0.0258)
OKLCH	oklch(72.31% 0.105 194.3)
XYZ	xyz(28.5587, 39.7757, 52.0619)
Luminance	0.3978 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAB9 #BA4243

analogous

#42BA7D #42BAB9 #427FBA

triadic

#42BAB9 #B942BA #BAB942

tetradic

#42BAB9 #7D42BA #BA4243 #7FBA42

square

#42BAB9 #7D42BA #BA4243 #7FBA42

split-complementary

#42BAB9 #BA427F #BA7D42

monochromatic

#22605F #328D8C #42BAB9 #6ECBCB #9BDBDB

Accessibility & contrast

On white

2.34

#42BAB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#42BAB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAB9

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAB9	#FFFFFF	#000000	##000000
##42BAB9	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB1B9

Deuteranopia (green-blind)

#9CA3BA

Tritanopia (blue-blind)

#00C0B9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42bab9;
/* rgb */ color: rgb(66, 186, 185);
/* oklch */ color: oklch(72.3% 0.105 194.3);

Tailwind

colors: {
  custom: {
    50: '#86cfce',
    500: '#42bab9',
    950: '#000000',
  },
}

SCSS

$custom: #42bab9;
$custom-light: #86cfce;
$custom-dark: #000000;

JSON

{
  "hex": "#42bab9",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 185
  },
  "hsl": {
    "h": 179.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.72314,
    "c": 0.10471,
    "h": 194.3
  },
  "luminance": 0.39779
}

Semantic roles & 50–950 ramp

primary

#42BAB9

secondary

#C89091

accent

#5152D7

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BAB9

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

Preview Lab → · Contrast checker → · Palette generator →