#428520#428520

#428520 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.2% C 0.149 H 137.3°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#428520
RGBrgb(66, 133, 32)
HSLhsl(100, 61%, 32%)
HSVhsv(100, 76%, 52%)
CMYKcmyk(50.4%, 0%, 75.9%, 47.8%)
CIE-LABlab(49.54, -39.62, 45.03)
CIE-LCHlch(49.54, 59.98, 131.34°)
OKLaboklab(55.18% -0.1098 0.1013)
OKLCHoklch(55.18% 0.149 137.3)
XYZxyz(10.8947, 18.0368, 4.2736)
Luminance0.1804 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#428520 #632085
analogous
#758520 #428520 #208531
triadic
#428520 #204285 #852042
tetradic
#428520 #207585 #632085 #853120
square
#428520 #207585 #632085 #853120
split-complementary
#428520 #312085 #852075
monochromatic
#112208 #2A5414 #428520 #5AB62C #79D44C

Accessibility & contrast

On white

4.56
#428520 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#428520 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428520
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##428520#FFFFFF#000000##000000
##4285201.004.564.614.61
#FFFFFF4.561.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A790C
Deuteranopia (green-blind)
#81742A
Tritanopia (blue-blind)
#3E8072
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #428520;
/* rgb */ color: rgb(66, 133, 32);
/* oklch */ color: oklch(55.2% 0.149 137.3);
Tailwind
colors: {
  custom: {
    50: '#7da963',
    500: '#428520',
    950: '#000000',
  },
}
SCSS
$custom: #428520;
$custom-light: #7da963;
$custom-dark: #000000;
JSON
{
  "hex": "#428520",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 32
  },
  "hsl": {
    "h": 99.802,
    "s": 61.212,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55182,
    "c": 0.14938,
    "h": 137.3
  },
  "luminance": 0.18038
}

Semantic roles & 50–950 ramp

primary
#428520
secondary
#924AB7
accent
#43E4AE
background
#F8FAF6
surface
#EFF4EB
border
#CACEC6
text
#0A1006
muted
#7C7F7A

Preview Lab

Preview with #428520

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

Preview Lab → · Contrast checker → · Palette generator →

#428520 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva