#638218#638218

#638218 is a mid, vivid yellow-green. Relative luminance 0.187; OKLCH L 56.3% C 0.132 H 125.3°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#638218
RGB	rgb(99, 130, 24)
HSL	hsl(78, 69%, 30%)
HSV	hsv(78, 82%, 51%)
CMYK	cmyk(23.8%, 0%, 81.5%, 49%)
CIE-LAB	lab(50.32, -26.30, 49.15)
CIE-LCH	lch(50.32, 55.75, 118.15°)
OKLab	oklab(56.28% -0.0765 0.1079)
OKLCH	oklch(56.28% 0.132 125.3)
XYZ	xyz(13.2932, 18.6837, 3.7699)
Luminance	0.1868 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638218 #371882

analogous

#826C18 #638218 #2E8218

triadic

#638218 #186382 #821863

tetradic

#638218 #18826C #371882 #82182E

square

#638218 #18826C #371882 #82182E

split-complementary

#638218 #182E82 #6C1882

monochromatic

#141B05 #3C4E0E #638218 #8AB622 #ACDB3A

Accessibility & contrast

On white

4.43

#638218 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#638218 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638218

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638218	#FFFFFF	#000000	##000000
##638218	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897900

Deuteranopia (green-blind)

#857723

Tritanopia (blue-blind)

#687B6F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #638218;
/* rgb */ color: rgb(99, 130, 24);
/* oklch */ color: oklch(56.3% 0.132 125.3);

Tailwind

colors: {
  custom: {
    50: '#93a65f',
    500: '#638218',
    950: '#000000',
  },
}

SCSS

$custom: #638218;
$custom-light: #93a65f;
$custom-dark: #000000;

JSON

{
  "hex": "#638218",
  "rgb": {
    "r": 99,
    "g": 130,
    "b": 24
  },
  "hsl": {
    "h": 77.547,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.56278,
    "c": 0.13228,
    "h": 125.3
  },
  "luminance": 0.18684
}

Semantic roles & 50–950 ramp

primary

#638218

secondary

#6240B6

accent

#3CEC6F

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638218

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

Preview Lab → · Contrast checker → · Palette generator →