#638424#638424

#638424 is a mid, vivid yellow-green. Relative luminance 0.193; OKLCH L 56.9% C 0.128 H 126.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#638424
RGBrgb(99, 132, 36)
HSLhsl(81, 57%, 33%)
HSVhsv(81, 73%, 52%)
CMYKcmyk(25%, 0%, 72.7%, 48.2%)
CIE-LABlab(51.02, -26.61, 45.55)
CIE-LCHlch(51.02, 52.75, 120.29°)
OKLaboklab(56.87% -0.0764 0.1024)
OKLCHoklch(56.87% 0.128 126.7)
XYZxyz(13.7153, 19.2823, 4.6680)
Luminance0.1928 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638424 #452484
analogous
#847524 #638424 #338424
triadic
#638424 #246384 #842463
tetradic
#638424 #248475 #452484 #842433
square
#638424 #248475 #452484 #842433
split-complementary
#638424 #243384 #752484
monochromatic
#1B240A #3F5417 #638424 #87B431 #A5D052

Accessibility & contrast

On white

4.32
#638424 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#638424 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638424
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638424#FFFFFF#000000##000000
##6384241.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B7B14
Deuteranopia (green-blind)
#87792C
Tritanopia (blue-blind)
#677E71
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #638424;
/* rgb */ color: rgb(99, 132, 36);
/* oklch */ color: oklch(56.9% 0.128 126.7);
Tailwind
colors: {
  custom: {
    50: '#92a865',
    500: '#638424',
    950: '#000000',
  },
}
SCSS
$custom: #638424;
$custom-light: #92a865;
$custom-dark: #000000;
JSON
{
  "hex": "#638424",
  "rgb": {
    "r": 99,
    "g": 132,
    "b": 36
  },
  "hsl": {
    "h": 80.625,
    "s": 57.143,
    "l": 32.941
  },
  "oklch": {
    "l": 0.56869,
    "c": 0.1277,
    "h": 126.7
  },
  "luminance": 0.19283
}

Semantic roles & 50–950 ramp

primary
#638424
secondary
#7250B4
accent
#47E07C
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D0F06
muted
#7E7F7A

Preview Lab

Preview with #638424

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

Preview Lab → · Contrast checker → · Palette generator →

#638424 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva