#637417#637417

#637417 is a mid, moderate yellow-green. Relative luminance 0.152; OKLCH L 52.7% C 0.115 H 119.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#637417
RGB	rgb(99, 116, 23)
HSL	hsl(71, 67%, 27%)
HSV	hsv(71, 80%, 45%)
CMYK	cmyk(14.7%, 0%, 80.2%, 54.5%)
CIE-LAB	lab(45.91, -19.24, 45.44)
CIE-LCH	lch(45.91, 49.34, 112.95°)
OKLab	oklab(52.72% -0.0573 0.0999)
OKLCH	oklch(52.72% 0.115 119.9)
XYZ	xyz(11.5459, 15.2053, 3.1371)
Luminance	0.1520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637417 #281774

analogous

#745717 #637417 #347417

triadic

#637417 #176374 #741763

tetradic

#637417 #177457 #281774 #741734

square

#637417 #177457 #281774 #741734

split-complementary

#637417 #173474 #571774

monochromatic

#161A05 #37410D #637417 #8FA721 #B7D630

Accessibility & contrast

On white

5.20

#637417 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#637417 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637417

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637417	#FFFFFF	#000000	##FFFFFF
##637417	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6D00

Deuteranopia (green-blind)

#7A6D20

Tritanopia (blue-blind)

#696D63

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #637417;
/* rgb */ color: rgb(99, 116, 23);
/* oklch */ color: oklch(52.7% 0.115 119.9);

Tailwind

colors: {
  custom: {
    50: '#929c5d',
    500: '#637417',
    950: '#000000',
  },
}

SCSS

$custom: #637417;
$custom-light: #929c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#637417",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 23
  },
  "hsl": {
    "h": 70.968,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.52718,
    "c": 0.11514,
    "h": 119.9
  },
  "luminance": 0.15205
}

Semantic roles & 50–950 ramp

primary

#637417

secondary

#513DA9

accent

#3EEA5D

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637417

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

Preview Lab → · Contrast checker → · Palette generator →