#42EFCF#42EFCF

#42EFCF is a very light, vivid teal. Relative luminance 0.674; OKLCH L 85.9% C 0.145 H 177.2°. Best body text is #000000 at 14.48:1 contrast (WCAG AA passes).

Color values

HEX#42EFCF
RGBrgb(66, 239, 207)
HSLhsl(169, 84%, 60%)
HSVhsv(169, 72%, 94%)
CMYKcmyk(72.4%, 0%, 13.4%, 6.3%)
CIE-LABlab(85.70, -50.50, 2.99)
CIE-LCHlch(85.70, 50.58, 176.61°)
OKLaboklab(85.86% -0.1444 0.0071)
OKLCHoklch(85.86% 0.145 177.2)
XYZxyz(44.3701, 67.3910, 69.6887)
Luminance0.6740 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42EFCF #EF4262
analogous
#42EF79 #42EFCF #42B8EF
triadic
#42EFCF #CF42EF #EFCF42
tetradic
#42EFCF #7942EF #EF4262 #B8EF42
square
#42EFCF #7942EF #EF4262 #B8EF42
split-complementary
#42EFCF #EF42B8 #EF7942
monochromatic
#0EA88C #13E1BB #42EFCF #7AF4DD #B3F9EC

Accessibility & contrast

On white

1.45
#42EFCF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.48
#42EFCF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42EFCF
14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42EFCF#FFFFFF#000000##000000
##42EFCF1.001.4514.4814.48
#FFFFFF1.451.0021.0021.00
#00000014.4821.001.001.00
##00000014.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6E0CE
Deuteranopia (green-blind)
#CFCFD1
Tritanopia (blue-blind)
#00F2E5
Achromatopsia (no color)
#D6D6D6

Design tokens & code

CSS
--color: #42efcf;
/* rgb */ color: rgb(66, 239, 207);
/* oklch */ color: oklch(85.9% 0.145 177.2);
Tailwind
colors: {
  custom: {
    50: '#8ff5dd',
    500: '#42efcf',
    950: '#000000',
  },
}
SCSS
$custom: #42efcf;
$custom-light: #8ff5dd;
$custom-dark: #000000;
JSON
{
  "hex": "#42efcf",
  "rgb": {
    "r": 66,
    "g": 239,
    "b": 207
  },
  "hsl": {
    "h": 168.902,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.85855,
    "c": 0.14459,
    "h": 177.2
  },
  "luminance": 0.67396
}

Semantic roles & 50–950 ramp

primary
#42EFCF
secondary
#AA2C43
accent
#2D53FB
background
#FCFFFE
surface
#F5FEFC
border
#CFD6D5
text
#0E1715
muted
#7F8584

Preview Lab

Preview with #42EFCF

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

Preview Lab → · Contrast checker → · Palette generator →

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