#639828#639828

#639828 is a light, vivid yellow-green. Relative luminance 0.253; OKLCH L 62.0% C 0.151 H 131.8°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#639828
RGBrgb(99, 152, 40)
HSLhsl(88, 58%, 38%)
HSVhsv(88, 74%, 60%)
CMYKcmyk(34.9%, 0%, 73.7%, 40.4%)
CIE-LABlab(57.33, -35.71, 50.32)
CIE-LCHlch(57.33, 61.71, 125.36°)
OKLaboklab(62.01% -0.1009 0.113)
OKLCHoklch(62.01% 0.151 131.8)
XYZxyz(16.7566, 25.2617, 6.0002)
Luminance0.2526 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#639828 #5D2898
analogous
#989528 #639828 #2B9828
triadic
#639828 #286398 #982863
tetradic
#639828 #289895 #5D2898 #98282B
square
#639828 #289895 #5D2898 #98282B
split-complementary
#639828 #282B98 #952898
monochromatic
#24370F #43681B #639828 #83C835 #A0D664

Accessibility & contrast

On white

3.47
#639828 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#639828 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #639828
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##639828#FFFFFF#000000##000000
##6398281.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9F8C13
Deuteranopia (green-blind)
#978833
Tritanopia (blue-blind)
#649282
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #639828;
/* rgb */ color: rgb(99, 152, 40);
/* oklch */ color: oklch(62.0% 0.151 131.8);
Tailwind
colors: {
  custom: {
    50: '#94b66a',
    500: '#639828',
    950: '#000000',
  },
}
SCSS
$custom: #639828;
$custom-light: #94b66a;
$custom-dark: #000000;
JSON
{
  "hex": "#639828",
  "rgb": {
    "r": 99,
    "g": 152,
    "b": 40
  },
  "hsl": {
    "h": 88.393,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.62012,
    "c": 0.15145,
    "h": 131.8
  },
  "luminance": 0.25262
}

Semantic roles & 50–950 ramp

primary
#639828
secondary
#8B60BC
accent
#46E290
background
#F9FBF6
surface
#F2F6EB
border
#CCD0C6
text
#0E1107
muted
#7E807A

Preview Lab

Preview with #639828

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

Preview Lab → · Contrast checker → · Palette generator →

#639828 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva