#42AC8F#42AC8F

#42AC8F is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.5% C 0.107 H 171.8°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX#42AC8F
RGBrgb(66, 172, 143)
HSLhsl(164, 45%, 47%)
HSVhsv(164, 62%, 67%)
CMYKcmyk(61.6%, 0%, 16.9%, 32.5%)
CIE-LABlab(63.87, -37.49, 5.96)
CIE-LCHlch(63.87, 37.96, 170.97°)
OKLaboklab(67.51% -0.1057 0.0152)
OKLCHoklch(67.51% 0.107 171.8)
XYZxyz(21.9548, 32.6442, 31.1252)
Luminance0.3265 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42AC8F #AC425F
analogous
#42AC5A #42AC8F #4294AC
triadic
#42AC8F #8F42AC #AC8F42
tetradic
#42AC8F #5A42AC #AC425F #94AC42
square
#42AC8F #5A42AC #AC425F #94AC42
split-complementary
#42AC8F #AC4294 #AC5A42
monochromatic
#205445 #31806A #42AC8F #67C5AB #93D6C3

Accessibility & contrast

On white

2.79
#42AC8F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.53
#42AC8F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AC8F
7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42AC8F#FFFFFF#000000##000000
##42AC8F1.002.797.537.53
#FFFFFF2.791.0021.0021.00
#0000007.5321.001.001.00
##0000007.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7A18E
Deuteranopia (green-blind)
#989691
Tritanopia (blue-blind)
#00ADA4
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #42ac8f;
/* rgb */ color: rgb(66, 172, 143);
/* oklch */ color: oklch(67.5% 0.107 171.8);
Tailwind
colors: {
  custom: {
    50: '#81c5af',
    500: '#42ac8f',
    950: '#000000',
  },
}
SCSS
$custom: #42ac8f;
$custom-light: #81c5af;
$custom-dark: #000000;
JSON
{
  "hex": "#42ac8f",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 143
  },
  "hsl": {
    "h": 163.585,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.67512,
    "c": 0.10682,
    "h": 171.8
  },
  "luminance": 0.32646
}

Semantic roles & 50–950 ramp

primary
#42AC8F
secondary
#C18998
accent
#5477D4
background
#F8FCFA
surface
#F0F8F4
border
#CBD1CE
text
#0B1310
muted
#7C827F

Preview Lab

Preview with #42AC8F

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

Preview Lab → · Contrast checker → · Palette generator →

#42AC8F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva