#638423#638423

#638423 is a mid, vivid yellow-green. Relative luminance 0.193; OKLCH L 56.9% C 0.128 H 126.6°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#638423
RGBrgb(99, 132, 35)
HSLhsl(80, 58%, 33%)
HSVhsv(80, 73%, 52%)
CMYKcmyk(25%, 0%, 73.5%, 48.2%)
CIE-LABlab(51.01, -26.67, 45.93)
CIE-LCHlch(51.01, 53.11, 120.14°)
OKLaboklab(56.86% -0.0766 0.103)
OKLCHoklch(56.86% 0.128 126.6)
XYZxyz(13.7003, 19.2763, 4.5887)
Luminance0.1928 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638423 #442384
analogous
#847423 #638423 #338423
triadic
#638423 #236384 #842363
tetradic
#638423 #238474 #442384 #842333
square
#638423 #238474 #442384 #842333
split-complementary
#638423 #233384 #742384
monochromatic
#1A2309 #3F5416 #638423 #87B430 #A5D151

Accessibility & contrast

On white

4.33
#638423 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#638423 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638423
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638423#FFFFFF#000000##000000
##6384231.004.334.864.86
#FFFFFF4.331.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B7B12
Deuteranopia (green-blind)
#87792C
Tritanopia (blue-blind)
#677E71
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #638423;
/* rgb */ color: rgb(99, 132, 35);
/* oklch */ color: oklch(56.9% 0.128 126.6);
Tailwind
colors: {
  custom: {
    50: '#93a865',
    500: '#638423',
    950: '#000000',
  },
}
SCSS
$custom: #638423;
$custom-light: #93a865;
$custom-dark: #000000;
JSON
{
  "hex": "#638423",
  "rgb": {
    "r": 99,
    "g": 132,
    "b": 35
  },
  "hsl": {
    "h": 80.412,
    "s": 58.084,
    "l": 32.745
  },
  "oklch": {
    "l": 0.56861,
    "c": 0.12838,
    "h": 126.6
  },
  "luminance": 0.19277
}

Semantic roles & 50–950 ramp

primary
#638423
secondary
#714EB4
accent
#46E17B
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D0F06
muted
#7E7F7A

Preview Lab

Preview with #638423

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

Preview Lab → · Contrast checker → · Palette generator →

#638423 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva