#42E5CA#42E5CA

#42E5CA is a very light, vivid teal. Relative luminance 0.615; OKLCH L 83.3% C 0.137 H 179.0°. Best body text is #000000 at 13.29:1 contrast (WCAG AA passes).

Color values

HEX#42E5CA
RGBrgb(66, 229, 202)
HSLhsl(170, 76%, 58%)
HSVhsv(170, 71%, 90%)
CMYKcmyk(71.2%, 0%, 11.8%, 10.2%)
CIE-LABlab(82.62, -47.55, 1.15)
CIE-LCHlch(82.62, 47.56, 178.62°)
OKLaboklab(83.3% -0.137 0.0023)
OKLCHoklch(83.3% 0.137 179)
XYZxyz(40.9215, 61.4563, 65.5712)
Luminance0.6146 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42E5CA #E5425D
analogous
#42E578 #42E5CA #42AFE5
triadic
#42E5CA #CA42E5 #E5CA42
tetradic
#42E5CA #7842E5 #E5425D #AFE542
square
#42E5CA #7842E5 #E5425D #AFE542
split-complementary
#42E5CA #E542AF #E57842
monochromatic
#159882 #1CCEB0 #42E5CA #78ECD9 #AEF4E8

Accessibility & contrast

On white

1.58
#42E5CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.29
#42E5CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E5CA
13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42E5CA#FFFFFF#000000##000000
##42E5CA1.001.5813.2913.29
#FFFFFF1.581.0021.0021.00
#00000013.2921.001.001.00
##00000013.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCD7C9
Deuteranopia (green-blind)
#C5C7CC
Tritanopia (blue-blind)
#00E9DD
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #42e5ca;
/* rgb */ color: rgb(66, 229, 202);
/* oklch */ color: oklch(83.3% 0.137 179.0);
Tailwind
colors: {
  custom: {
    50: '#8deeda',
    500: '#42e5ca',
    950: '#000000',
  },
}
SCSS
$custom: #42e5ca;
$custom-light: #8deeda;
$custom-dark: #000000;
JSON
{
  "hex": "#42e5ca",
  "rgb": {
    "r": 66,
    "g": 229,
    "b": 202
  },
  "hsl": {
    "h": 170.061,
    "s": 75.814,
    "l": 57.843
  },
  "oklch": {
    "l": 0.833,
    "c": 0.13702,
    "h": 179
  },
  "luminance": 0.61461
}

Semantic roles & 50–950 ramp

primary
#42E5CA
secondary
#9C3042
accent
#3555F2
background
#FCFFFE
surface
#F5FEFB
border
#CFD6D4
text
#0E1614
muted
#7F8583

Preview Lab

Preview with #42E5CA

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

Preview Lab → · Contrast checker → · Palette generator →

#42E5CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva