#42D3D5#42D3D5

#42D3D5 is a light, moderate teal. Relative luminance 0.526; OKLCH L 79.3% C 0.119 H 196.4°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX#42D3D5
RGBrgb(66, 211, 213)
HSLhsl(181, 64%, 55%)
HSVhsv(181, 69%, 84%)
CMYKcmyk(69%, 0.9%, 0%, 16.5%)
CIE-LABlab(77.61, -36.61, -12.12)
CIE-LCHlch(77.61, 38.56, 198.32°)
OKLaboklab(79.32% -0.1146 -0.0337)
OKLCHoklch(79.32% 0.119 196.4)
XYZxyz(37.5459, 52.5465, 71.1016)
Luminance0.5255 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D3D5 #D54442
analogous
#42D58D #42D3D5 #428AD5
triadic
#42D3D5 #D542D3 #D3D542
tetradic
#42D3D5 #8D42D5 #D54442 #8AD542
square
#42D3D5 #8D42D5 #D54442 #8AD542
split-complementary
#42D3D5 #D5428A #D58D42
monochromatic
#1C7F80 #28B0B2 #42D3D5 #74DFE0 #A6EAEB

Accessibility & contrast

On white

1.82
#42D3D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.51
#42D3D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3D5
11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D3D5#FFFFFF#000000##000000
##42D3D51.001.8211.5111.51
#FFFFFF1.821.0021.0021.00
#00000011.5121.001.001.00
##00000011.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C5C9D5
Deuteranopia (green-blind)
#AFB9D6
Tritanopia (blue-blind)
#00DAD3
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #42d3d5;
/* rgb */ color: rgb(66, 211, 213);
/* oklch */ color: oklch(79.3% 0.119 196.4);
Tailwind
colors: {
  custom: {
    50: '#8be1e1',
    500: '#42d3d5',
    950: '#000000',
  },
}
SCSS
$custom: #42d3d5;
$custom-light: #8be1e1;
$custom-dark: #000000;
JSON
{
  "hex": "#42d3d5",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 213
  },
  "hsl": {
    "h": 180.816,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79319,
    "c": 0.11943,
    "h": 196.4
  },
  "luminance": 0.52551
}

Semantic roles & 50–950 ramp

primary
#42D3D5
secondary
#873534
accent
#4341E7
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1515
muted
#7F8484

Preview Lab

Preview with #42D3D5

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

Preview Lab → · Contrast checker → · Palette generator →

#42D3D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva