#638417#638417

#638417 is a mid, vivid yellow-green. Relative luminance 0.192; OKLCH L 56.8% C 0.135 H 125.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#638417
RGB	rgb(99, 132, 23)
HSL	hsl(78, 70%, 30%)
HSV	hsv(78, 83%, 52%)
CMYK	cmyk(25%, 0%, 82.6%, 48.2%)
CIE-LAB	lab(50.94, -27.33, 50.02)
CIE-LCH	lch(50.94, 57.00, 118.65°)
OKLab	oklab(56.78% -0.0794 0.1096)
OKLCH	oklch(56.78% 0.135 125.9)
XYZ	xyz(13.5516, 19.2168, 3.8057)
Luminance	0.1922 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638417 #381784

analogous

#846E17 #638417 #2C8417

triadic

#638417 #176384 #841763

tetradic

#638417 #17846E #381784 #84172C

square

#638417 #17846E #381784 #84172C

split-complementary

#638417 #172C84 #6E1784

monochromatic

#151C05 #3C500E #638417 #8AB820 #ABDC39

Accessibility & contrast

On white

4.34

#638417 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#638417 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638417

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638417	#FFFFFF	#000000	##000000
##638417	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7B00

Deuteranopia (green-blind)

#877923

Tritanopia (blue-blind)

#687D70

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #638417;
/* rgb */ color: rgb(99, 132, 23);
/* oklch */ color: oklch(56.8% 0.135 125.9);

Tailwind

colors: {
  custom: {
    50: '#93a85f',
    500: '#638417',
    950: '#000000',
  },
}

SCSS

$custom: #638417;
$custom-light: #93a85f;
$custom-dark: #000000;

JSON

{
  "hex": "#638417",
  "rgb": {
    "r": 99,
    "g": 132,
    "b": 23
  },
  "hsl": {
    "h": 78.165,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.56783,
    "c": 0.1353,
    "h": 125.9
  },
  "luminance": 0.19217
}

Semantic roles & 50–950 ramp

primary

#638417

secondary

#633FB8

accent

#3BED71

background

#F9FAF5

surface

#F2F4EA

border

#CCCEC6

text

#0D0F05

muted

#7E7F79

Preview Lab

Preview with #638417

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

Preview Lab → · Contrast checker → · Palette generator →