#637717#637717

#637717 is a mid, moderate yellow-green. Relative luminance 0.159; OKLCH L 53.5% C 0.119 H 121.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#637717
RGB	rgb(99, 119, 23)
HSL	hsl(73, 68%, 28%)
HSV	hsv(73, 81%, 47%)
CMYK	cmyk(16.8%, 0%, 80.7%, 53.3%)
CIE-LAB	lab(46.85, -20.81, 46.30)
CIE-LCH	lch(46.85, 50.76, 114.20°)
OKLab	oklab(53.48% -0.0616 0.1017)
OKLCH	oklch(53.48% 0.119 121.2)
XYZ	xyz(11.8973, 15.9082, 3.2543)
Luminance	0.1591 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637717 #2B1777

analogous

#775B17 #637717 #337717

triadic

#637717 #176377 #771763

tetradic

#637717 #17775B #2B1777 #771733

square

#637717 #17775B #2B1777 #771733

split-complementary

#637717 #173377 #5B1777

monochromatic

#151A05 #38440D #637717 #8EAA21 #B5D731

Accessibility & contrast

On white

5.02

#637717 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#637717 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637717

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637717	#FFFFFF	#000000	##FFFFFF
##637717	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F6F00

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#697065

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #637717;
/* rgb */ color: rgb(99, 119, 23);
/* oklch */ color: oklch(53.5% 0.119 121.2);

Tailwind

colors: {
  custom: {
    50: '#929e5d',
    500: '#637717',
    950: '#000000',
  },
}

SCSS

$custom: #637717;
$custom-light: #929e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#637717",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 23
  },
  "hsl": {
    "h": 72.5,
    "s": 67.606,
    "l": 27.843
  },
  "oklch": {
    "l": 0.53476,
    "c": 0.11889,
    "h": 121.2
  },
  "luminance": 0.15908
}

Semantic roles & 50–950 ramp

primary

#637717

secondary

#553EAC

accent

#3DEA61

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E05

muted

#7E7E79

Preview Lab

Preview with #637717

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

Preview Lab → · Contrast checker → · Palette generator →