#42ACA8#42ACA8

#42ACA8 is a light, moderate teal. Relative luminance 0.335; OKLCH L 68.3% C 0.096 H 191.6°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#42ACA8
RGB	rgb(66, 172, 168)
HSL	hsl(178, 45%, 47%)
HSV	hsv(178, 62%, 67%)
CMYK	cmyk(61.6%, 0%, 2.3%, 32.5%)
CIE-LAB	lab(64.55, -30.91, -6.97)
CIE-LCH	lch(64.55, 31.68, 192.71°)
OKLab	oklab(68.29% -0.0942 -0.0194)
OKLCH	oklch(68.29% 0.096 191.6)
XYZ	xyz(24.0640, 33.4879, 42.2338)
Luminance	0.3349 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ACA8 #AC4246

analogous

#42AC73 #42ACA8 #427BAC

triadic

#42ACA8 #A842AC #ACA842

tetradic

#42ACA8 #7342AC #AC4246 #7BAC42

square

#42ACA8 #7342AC #AC4246 #7BAC42

split-complementary

#42ACA8 #AC427B #AC7342

monochromatic

#205452 #31807D #42ACA8 #67C5C1 #93D6D3

Accessibility & contrast

On white

2.73

#42ACA8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#42ACA8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ACA8

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ACA8	#FFFFFF	#000000	##000000
##42ACA8	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A4A8

Deuteranopia (green-blind)

#9297A9

Tritanopia (blue-blind)

#00B1AA

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #42aca8;
/* rgb */ color: rgb(66, 172, 168);
/* oklch */ color: oklch(68.3% 0.096 191.6);

Tailwind

colors: {
  custom: {
    50: '#83c5c1',
    500: '#42aca8',
    950: '#000000',
  },
}

SCSS

$custom: #42aca8;
$custom-light: #83c5c1;
$custom-dark: #000000;

JSON

{
  "hex": "#42aca8",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 168
  },
  "hsl": {
    "h": 177.736,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.68293,
    "c": 0.0962,
    "h": 191.6
  },
  "luminance": 0.3349
}

Semantic roles & 50–950 ramp

primary

#42ACA8

secondary

#C1898B

accent

#5458D4

background

#F8FCFB

surface

#F0F8F7

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42ACA8

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

Preview Lab → · Contrast checker → · Palette generator →