#42D9C5#42D9C5

#42D9C5 is a light, vivid teal. Relative luminance 0.548; OKLCH L 80.2% C 0.128 H 182.2°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX#42D9C5
RGBrgb(66, 217, 197)
HSLhsl(172, 67%, 55%)
HSVhsv(172, 70%, 85%)
CMYKcmyk(69.6%, 0%, 9.2%, 14.9%)
CIE-LABlab(78.93, -43.67, -1.59)
CIE-LCHlch(78.93, 43.70, 182.08°)
OKLaboklab(80.25% -0.1275 -0.005)
OKLCHoklch(80.25% 0.128 182.2)
XYZxyz(37.1328, 54.8109, 61.4350)
Luminance0.5482 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D9C5 #D94256
analogous
#42D979 #42D9C5 #42A1D9
triadic
#42D9C5 #C542D9 #D9C542
tetradic
#42D9C5 #7942D9 #D94256 #A1D942
square
#42D9C5 #7942D9 #D94256 #A1D942
split-complementary
#42D9C5 #D942A1 #D97942
monochromatic
#1B8678 #25B9A5 #42D9C5 #75E3D5 #A8EDE4

Accessibility & contrast

On white

1.76
#42D9C5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.96
#42D9C5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9C5
11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D9C5#FFFFFF#000000##000000
##42D9C51.001.7611.9611.96
#FFFFFF1.761.0021.0021.00
#00000011.9621.001.001.00
##00000011.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFCDC4
Deuteranopia (green-blind)
#BABDC7
Tritanopia (blue-blind)
#00DDD3
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #42d9c5;
/* rgb */ color: rgb(66, 217, 197);
/* oklch */ color: oklch(80.2% 0.128 182.2);
Tailwind
colors: {
  custom: {
    50: '#8be5d6',
    500: '#42d9c5',
    950: '#000000',
  },
}
SCSS
$custom: #42d9c5;
$custom-light: #8be5d6;
$custom-dark: #000000;
JSON
{
  "hex": "#42d9c5",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 197
  },
  "hsl": {
    "h": 172.053,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80247,
    "c": 0.12759,
    "h": 182.2
  },
  "luminance": 0.54815
}

Semantic roles & 50–950 ramp

primary
#42D9C5
secondary
#8C333F
accent
#3E55E9
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483

Preview Lab

Preview with #42D9C5

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

Preview Lab → · Contrast checker → · Palette generator →

#42D9C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva