#637217#637217

#637217 is a mid, moderate yellow. Relative luminance 0.147; OKLCH L 52.2% C 0.113 H 118.9°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#637217
RGB	rgb(99, 114, 23)
HSL	hsl(70, 66%, 27%)
HSV	hsv(70, 80%, 45%)
CMYK	cmyk(13.2%, 0%, 79.8%, 55.3%)
CIE-LAB	lab(45.29, -18.19, 44.86)
CIE-LCH	lch(45.29, 48.40, 112.07°)
OKLab	oklab(52.21% -0.0544 0.0986)
OKLCH	oklch(52.21% 0.113 118.9)
XYZ	xyz(11.3178, 14.7492, 3.0611)
Luminance	0.1475 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637217 #261772

analogous

#725417 #637217 #367217

triadic

#637217 #176372 #721763

tetradic

#637217 #177254 #261772 #721736

square

#637217 #177254 #261772 #721736

split-complementary

#637217 #173672 #541772

monochromatic

#161905 #373F0D #637217 #8FA521 #B9D52E

Accessibility & contrast

On white

5.32

#637217 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#637217 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637217

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637217	#FFFFFF	#000000	##FFFFFF
##637217	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B01

Deuteranopia (green-blind)

#786C1F

Tritanopia (blue-blind)

#696B61

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #637217;
/* rgb */ color: rgb(99, 114, 23);
/* oklch */ color: oklch(52.2% 0.113 118.9);

Tailwind

colors: {
  custom: {
    50: '#929a5c',
    500: '#637217',
    950: '#000000',
  },
}

SCSS

$custom: #637217;
$custom-light: #929a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#637217",
  "rgb": {
    "r": 99,
    "g": 114,
    "b": 23
  },
  "hsl": {
    "h": 69.89,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.52214,
    "c": 0.11266,
    "h": 118.9
  },
  "luminance": 0.14749
}

Semantic roles & 50–950 ramp

primary

#637217

secondary

#4F3DA8

accent

#3EE95B

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0E04

muted

#7E7E79

Preview Lab

Preview with #637217

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

Preview Lab → · Contrast checker → · Palette generator →