#638319#638319

#638319 is a mid, vivid yellow-green. Relative luminance 0.190; OKLCH L 56.5% C 0.133 H 125.7°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#638319
RGB	rgb(99, 131, 25)
HSL	hsl(78, 68%, 31%)
HSV	hsv(78, 81%, 51%)
CMYK	cmyk(24.4%, 0%, 80.9%, 48.6%)
CIE-LAB	lab(50.63, -26.75, 49.13)
CIE-LCH	lch(50.63, 55.94, 118.56°)
OKLab	oklab(56.54% -0.0777 0.108)
OKLCH	oklch(56.54% 0.133 125.7)
XYZ	xyz(13.4375, 18.9552, 3.8703)
Luminance	0.1895 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638319 #391983

analogous

#836E19 #638319 #2E8319

triadic

#638319 #196383 #831963

tetradic

#638319 #19836E #391983 #83192E

square

#638319 #19836E #391983 #83192E

split-complementary

#638319 #192E83 #6E1983

monochromatic

#151C05 #3C500F #638319 #8AB623 #AADA3D

Accessibility & contrast

On white

4.38

#638319 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#638319 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638319

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638319	#FFFFFF	#000000	##000000
##638319	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7A00

Deuteranopia (green-blind)

#867824

Tritanopia (blue-blind)

#687C6F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #638319;
/* rgb */ color: rgb(99, 131, 25);
/* oklch */ color: oklch(56.5% 0.133 125.7);

Tailwind

colors: {
  custom: {
    50: '#93a760',
    500: '#638319',
    950: '#000000',
  },
}

SCSS

$custom: #638319;
$custom-light: #93a760;
$custom-dark: #000000;

JSON

{
  "hex": "#638319",
  "rgb": {
    "r": 99,
    "g": 131,
    "b": 25
  },
  "hsl": {
    "h": 78.113,
    "s": 67.949,
    "l": 30.588
  },
  "oklch": {
    "l": 0.56538,
    "c": 0.13304,
    "h": 125.7
  },
  "luminance": 0.18955
}

Semantic roles & 50–950 ramp

primary

#638319

secondary

#6541B7

accent

#3DEB71

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638319

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

Preview Lab → · Contrast checker → · Palette generator →