#638622#638622

#638622 is a mid, vivid yellow-green. Relative luminance 0.198; OKLCH L 57.4% C 0.132 H 127.2°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX#638622
RGBrgb(99, 134, 34)
HSLhsl(81, 60%, 33%)
HSVhsv(81, 75%, 53%)
CMYKcmyk(26.1%, 0%, 74.6%, 47.5%)
CIE-LABlab(51.63, -27.71, 46.93)
CIE-LCHlch(51.63, 54.50, 120.56°)
OKLaboklab(57.36% -0.0796 0.1049)
OKLCHoklch(57.36% 0.132 127.2)
XYZxyz(13.9595, 19.8181, 4.6029)
Luminance0.1982 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638622 #452286
analogous
#867722 #638622 #318622
triadic
#638622 #226386 #862263
tetradic
#638622 #228677 #452286 #862231
square
#638622 #228677 #452286 #862231
split-complementary
#638622 #223186 #772286
monochromatic
#1B2409 #3F5516 #638622 #87B72E #A5D350

Accessibility & contrast

On white

4.23
#638622 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.96
#638622 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638622
4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638622#FFFFFF#000000##000000
##6386221.004.234.964.96
#FFFFFF4.231.0021.0021.00
#0000004.9621.001.001.00
##0000004.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7D0F
Deuteranopia (green-blind)
#887A2B
Tritanopia (blue-blind)
#678073
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #638622;
/* rgb */ color: rgb(99, 134, 34);
/* oklch */ color: oklch(57.4% 0.132 127.2);
Tailwind
colors: {
  custom: {
    50: '#93a964',
    500: '#638622',
    950: '#000000',
  },
}
SCSS
$custom: #638622;
$custom-light: #93a964;
$custom-dark: #000000;
JSON
{
  "hex": "#638622",
  "rgb": {
    "r": 99,
    "g": 134,
    "b": 34
  },
  "hsl": {
    "h": 81,
    "s": 59.524,
    "l": 32.941
  },
  "oklch": {
    "l": 0.57363,
    "c": 0.13169,
    "h": 127.2
  },
  "luminance": 0.19818
}

Semantic roles & 50–950 ramp

primary
#638622
secondary
#724EB6
accent
#45E37C
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1006
muted
#7E7F7A

Preview Lab

Preview with #638622

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

Preview Lab → · Contrast checker → · Palette generator →

#638622 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva