#42E249#42E249

#42E249 is a light, highly saturated green. Relative luminance 0.560; OKLCH L 80.2% C 0.234 H 143.6°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX#42E249
RGBrgb(66, 226, 73)
HSLhsl(123, 73%, 57%)
HSVhsv(123, 71%, 89%)
CMYKcmyk(70.8%, 0%, 67.7%, 11.4%)
CIE-LABlab(79.63, -69.35, 60.45)
CIE-LCHlch(79.63, 91.99, 138.92°)
OKLaboklab(80.15% -0.1879 0.1388)
OKLCHoklch(80.15% 0.234 143.6)
XYZxyz(30.6438, 56.0286, 15.5017)
Luminance0.5603 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42E249 #E242DB
analogous
#8BE242 #42E249 #42E299
triadic
#42E249 #4942E2 #E24942
tetradic
#42E249 #428BE2 #E242DB #E29942
square
#42E249 #428BE2 #E242DB #E29942
split-complementary
#42E249 #9942E2 #E2428B
monochromatic
#17931C #1FC826 #42E249 #77EA7C #ACF2AF

Accessibility & contrast

On white

1.72
#42E249 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.21
#42E249 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E249
12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42E249#FFFFFF#000000##000000
##42E2491.001.7212.2112.21
#FFFFFF1.721.0021.0021.00
#00000012.2121.001.001.00
##00000012.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E6CD33
Deuteranopia (green-blind)
#D4C058
Tritanopia (blue-blind)
#00DCC3
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #42e249;
/* rgb */ color: rgb(66, 226, 73);
/* oklch */ color: oklch(80.2% 0.234 143.6);
Tailwind
colors: {
  custom: {
    50: '#8dec83',
    500: '#42e249',
    950: '#000000',
  },
}
SCSS
$custom: #42e249;
$custom-light: #8dec83;
$custom-dark: #000000;
JSON
{
  "hex": "#42e249",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 73
  },
  "hsl": {
    "h": 122.625,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80153,
    "c": 0.23364,
    "h": 143.6
  },
  "luminance": 0.56032
}

Semantic roles & 50–950 ramp

primary
#42E249
secondary
#983193
accent
#38E8F0
background
#FCFFFB
surface
#F5FEF2
border
#CFD6CC
text
#0E160B
muted
#7F857E

Preview Lab

Preview with #42E249

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

Preview Lab → · Contrast checker → · Palette generator →

#42E249 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva