#42BAB3#42BAB3

#42BAB3 is a light, moderate teal. Relative luminance 0.395; OKLCH L 72.1% C 0.106 H 189.6°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#42BAB3
RGB	rgb(66, 186, 179)
HSL	hsl(177, 48%, 49%)
HSV	hsv(177, 65%, 73%)
CMYK	cmyk(64.5%, 0%, 3.8%, 27.1%)
CIE-LAB	lab(69.13, -34.50, -6.27)
CIE-LCH	lch(69.13, 35.06, 190.31°)
OKLab	oklab(72.11% -0.1041 -0.0175)
OKLCH	oklch(72.11% 0.106 189.6)
XYZ	xyz(27.9387, 39.5277, 48.7963)
Luminance	0.3953 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BAB3 #BA4249

analogous

#42BA77 #42BAB3 #4285BA

triadic

#42BAB3 #B342BA #BAB342

tetradic

#42BAB3 #7742BA #BA4249 #85BA42

square

#42BAB3 #7742BA #BA4249 #85BA42

split-complementary

#42BAB3 #BA4285 #BA7742

monochromatic

#22605C #328D88 #42BAB3 #6ECBC6 #9BDBD8

Accessibility & contrast

On white

2.36

#42BAB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#42BAB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BAB3

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BAB3	#FFFFFF	#000000	##000000
##42BAB3	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B1B3

Deuteranopia (green-blind)

#9EA3B4

Tritanopia (blue-blind)

#00BFB8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42bab3;
/* rgb */ color: rgb(66, 186, 179);
/* oklch */ color: oklch(72.1% 0.106 189.6);

Tailwind

colors: {
  custom: {
    50: '#85cfc9',
    500: '#42bab3',
    950: '#000000',
  },
}

SCSS

$custom: #42bab3;
$custom-light: #85cfc9;
$custom-dark: #000000;

JSON

{
  "hex": "#42bab3",
  "rgb": {
    "r": 66,
    "g": 186,
    "b": 179
  },
  "hsl": {
    "h": 176.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.72111,
    "c": 0.10558,
    "h": 189.6
  },
  "luminance": 0.39531
}

Semantic roles & 50–950 ramp

primary

#42BAB3

secondary

#C89093

accent

#5158D7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BAB3

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

Preview Lab → · Contrast checker → · Palette generator →