#42D5C5#42D5C5

#42D5C5 is a light, vivid teal. Relative luminance 0.528; OKLCH L 79.3% C 0.124 H 184.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX#42D5C5
RGBrgb(66, 213, 197)
HSLhsl(173, 64%, 55%)
HSVhsv(173, 69%, 84%)
CMYKcmyk(69%, 0%, 7.5%, 16.5%)
CIE-LABlab(77.74, -41.91, -3.34)
CIE-LCHlch(77.74, 42.04, 184.55°)
OKLaboklab(79.28% -0.1235 -0.0097)
OKLCHoklch(79.28% 0.124 184.5)
XYZxyz(36.1143, 52.7738, 61.0955)
Luminance0.5278 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D5C5 #D54252
analogous
#42D57B #42D5C5 #429CD5
triadic
#42D5C5 #C542D5 #D5C542
tetradic
#42D5C5 #7B42D5 #D54252 #9CD542
square
#42D5C5 #7B42D5 #D54252 #9CD542
split-complementary
#42D5C5 #D5429C #D57B42
monochromatic
#1C8075 #28B2A3 #42D5C5 #74E0D4 #A6EBE4

Accessibility & contrast

On white

1.82
#42D5C5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.56
#42D5C5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C5
11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D5C5#FFFFFF#000000##000000
##42D5C51.001.8211.5611.56
#FFFFFF1.821.0021.0021.00
#00000011.5621.001.001.00
##00000011.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBC9C4
Deuteranopia (green-blind)
#B6BAC7
Tritanopia (blue-blind)
#00DAD0
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #42d5c5;
/* rgb */ color: rgb(66, 213, 197);
/* oklch */ color: oklch(79.3% 0.124 184.5);
Tailwind
colors: {
  custom: {
    50: '#8ae2d6',
    500: '#42d5c5',
    950: '#000000',
  },
}
SCSS
$custom: #42d5c5;
$custom-light: #8ae2d6;
$custom-dark: #000000;
JSON
{
  "hex": "#42d5c5",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 197
  },
  "hsl": {
    "h": 173.469,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79277,
    "c": 0.12391,
    "h": 184.5
  },
  "luminance": 0.52778
}

Semantic roles & 50–950 ramp

primary
#42D5C5
secondary
#87343D
accent
#4153E7
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1514
muted
#7F8483

Preview Lab

Preview with #42D5C5

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

Preview Lab → · Contrast checker → · Palette generator →

#42D5C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva