#638221#638221

#638221 is a mid, vivid yellow-green. Relative luminance 0.187; OKLCH L 56.3% C 0.127 H 125.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#638221
RGB	rgb(99, 130, 33)
HSL	hsl(79, 60%, 32%)
HSV	hsv(79, 75%, 51%)
CMYK	cmyk(23.8%, 0%, 74.6%, 49%)
CIE-LAB	lab(50.37, -25.82, 46.07)
CIE-LCH	lch(50.37, 52.81, 119.26°)
OKLab	oklab(56.34% -0.0745 0.103)
OKLCH	oklch(56.34% 0.127 125.9)
XYZ	xyz(13.4028, 18.7275, 4.3472)
Luminance	0.1873 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638221 #402182

analogous

#827121 #638221 #338221

triadic

#638221 #216382 #822163

tetradic

#638221 #218271 #402182 #822133

square

#638221 #218271 #402182 #822133

split-complementary

#638221 #213382 #712182

monochromatic

#192008 #3E5115 #638221 #88B32D #A7D24C

Accessibility & contrast

On white

4.43

#638221 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#638221 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638221

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638221	#FFFFFF	#000000	##000000
##638221	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89790F

Deuteranopia (green-blind)

#85772A

Tritanopia (blue-blind)

#677C6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #638221;
/* rgb */ color: rgb(99, 130, 33);
/* oklch */ color: oklch(56.3% 0.127 125.9);

Tailwind

colors: {
  custom: {
    50: '#93a663',
    500: '#638221',
    950: '#000000',
  },
}

SCSS

$custom: #638221;
$custom-light: #93a663;
$custom-dark: #000000;

JSON

{
  "hex": "#638221",
  "rgb": {
    "r": 99,
    "g": 130,
    "b": 33
  },
  "hsl": {
    "h": 79.175,
    "s": 59.509,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56336,
    "c": 0.12706,
    "h": 125.9
  },
  "luminance": 0.18728
}

Semantic roles & 50–950 ramp

primary

#638221

secondary

#6C4AB4

accent

#45E377

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #638221

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

Preview Lab → · Contrast checker → · Palette generator →