#636418#636418

#636418 is a mid, moderate yellow. Relative luminance 0.118; OKLCH L 48.7% C 0.095 H 110.2°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#636418
RGB	rgb(99, 100, 24)
HSL	hsl(61, 61%, 24%)
HSV	hsv(61, 76%, 39%)
CMYK	cmyk(1%, 0%, 76%, 60.8%)
CIE-LAB	lab(40.95, -10.47, 40.39)
CIE-LCH	lch(40.95, 41.73, 104.54°)
OKLab	oklab(48.74% -0.0329 0.0894)
OKLCH	oklch(48.74% 0.095 110.2)
XYZ	xyz(9.8680, 11.8332, 2.6282)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636418 #191864

analogous

#643F18 #636418 #3D6418

triadic

#636418 #186364 #641863

tetradic

#636418 #18643F #191864 #64183D

square

#636418 #18643F #191864 #64183D

split-complementary

#636418 #183D64 #3F1864

monochromatic

#181906 #32330C #636418 #949524 #C5C730

Accessibility & contrast

On white

6.24

#636418 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#636418 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636418

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636418	#FFFFFF	#000000	##FFFFFF
##636418	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C5F0A

Deuteranopia (green-blind)

#6D621E

Tritanopia (blue-blind)

#6A5D55

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #636418;
/* rgb */ color: rgb(99, 100, 24);
/* oklch */ color: oklch(48.7% 0.095 110.2);

Tailwind

colors: {
  custom: {
    50: '#928f5b',
    500: '#636418',
    950: '#000000',
  },
}

SCSS

$custom: #636418;
$custom-light: #928f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#636418",
  "rgb": {
    "r": 99,
    "g": 100,
    "b": 24
  },
  "hsl": {
    "h": 60.789,
    "s": 61.29,
    "l": 24.314
  },
  "oklch": {
    "l": 0.48735,
    "c": 0.09526,
    "h": 110.2
  },
  "luminance": 0.11833
}

Semantic roles & 50–950 ramp

primary

#636418

secondary

#3F3E9A

accent

#43E446

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #636418

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

Preview Lab → · Contrast checker → · Palette generator →