#42E999#42E999

#42E999 is a very light, vivid teal. Relative luminance 0.617; OKLCH L 83.1% C 0.177 H 157.4°. Best body text is #000000 at 13.35:1 contrast (WCAG AA passes).

Color values

HEX#42E999
RGBrgb(66, 233, 153)
HSLhsl(151, 79%, 59%)
HSVhsv(151, 72%, 91%)
CMYKcmyk(71.7%, 0%, 34.3%, 8.6%)
CIE-LABlab(82.77, -60.22, 26.95)
CIE-LCHlch(82.77, 65.97, 155.89°)
OKLaboklab(83.07% -0.1631 0.0678)
OKLCHoklch(83.07% 0.177 157.4)
XYZxyz(37.1318, 61.7317, 40.0893)
Luminance0.6174 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42E999 #E94292
analogous
#42E945 #42E999 #42E6E9
triadic
#42E999 #9942E9 #E99942
tetradic
#42E999 #4542E9 #E94292 #E6E942
square
#42E999 #4542E9 #E94292 #E6E942
split-complementary
#42E999 #E942E6 #E94542
monochromatic
#129E5B #19D57B #42E999 #79EFB7 #B0F6D4

Accessibility & contrast

On white

1.57
#42E999 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.35
#42E999 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E999
13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42E999#FFFFFF#000000##000000
##42E9991.001.5713.3513.35
#FFFFFF1.571.0021.0021.00
#00000013.3521.001.001.00
##00000013.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E7D794
Deuteranopia (green-blind)
#D3C89E
Tritanopia (blue-blind)
#00E7D4
Achromatopsia (no color)
#CECECE

Design tokens & code

CSS
--color: #42e999;
/* rgb */ color: rgb(66, 233, 153);
/* oklch */ color: oklch(83.1% 0.177 157.4);
Tailwind
colors: {
  custom: {
    50: '#8cf1b7',
    500: '#42e999',
    950: '#000000',
  },
}
SCSS
$custom: #42e999;
$custom-light: #8cf1b7;
$custom-dark: #000000;
JSON
{
  "hex": "#42e999",
  "rgb": {
    "r": 66,
    "g": 233,
    "b": 153
  },
  "hsl": {
    "h": 151.257,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.83074,
    "c": 0.17668,
    "h": 157.4
  },
  "luminance": 0.61736
}

Semantic roles & 50–950 ramp

primary
#42E999
secondary
#A12E65
accent
#3290F6
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0E1711
muted
#7F8581

Preview Lab

Preview with #42E999

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

Preview Lab → · Contrast checker → · Palette generator →

#42E999 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva