#638722#638722

#638722 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.6% C 0.133 H 127.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#638722
RGBrgb(99, 135, 34)
HSLhsl(81, 60%, 33%)
HSVhsv(81, 75%, 53%)
CMYKcmyk(26.7%, 0%, 74.8%, 47.1%)
CIE-LABlab(51.95, -28.19, 47.24)
CIE-LCHlch(51.95, 55.02, 120.83°)
OKLaboklab(57.62% -0.0809 0.1056)
OKLCHoklch(57.62% 0.133 127.5)
XYZxyz(14.0983, 20.0958, 4.6492)
Luminance0.2010 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638722 #462287
analogous
#877822 #638722 #318722
triadic
#638722 #226387 #872263
tetradic
#638722 #228778 #462287 #872231
square
#638722 #228778 #462287 #872231
split-complementary
#638722 #223187 #782287
monochromatic
#1B2509 #3F5616 #638722 #87B82E #A4D350

Accessibility & contrast

On white

4.18
#638722 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#638722 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638722
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638722#FFFFFF#000000##000000
##6387221.004.185.025.02
#FFFFFF4.181.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7D0F
Deuteranopia (green-blind)
#897B2B
Tritanopia (blue-blind)
#678173
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #638722;
/* rgb */ color: rgb(99, 135, 34);
/* oklch */ color: oklch(57.6% 0.133 127.5);
Tailwind
colors: {
  custom: {
    50: '#93aa65',
    500: '#638722',
    950: '#000000',
  },
}
SCSS
$custom: #638722;
$custom-light: #93aa65;
$custom-dark: #000000;
JSON
{
  "hex": "#638722",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 34
  },
  "hsl": {
    "h": 81.386,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57618,
    "c": 0.133,
    "h": 127.5
  },
  "luminance": 0.20096
}

Semantic roles & 50–950 ramp

primary
#638722
secondary
#734EB7
accent
#45E37D
background
#F9FAF6
surface
#F2F4EB
border
#CCCEC6
text
#0D1006
muted
#7E7F7A

Preview Lab

Preview with #638722

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

Preview Lab → · Contrast checker → · Palette generator →

#638722 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva