#636813#636813

#636813 is a mid, moderate yellow. Relative luminance 0.126; OKLCH L 49.7% C 0.103 H 113.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#636813
RGB	rgb(99, 104, 19)
HSL	hsl(64, 69%, 24%)
HSV	hsv(64, 82%, 41%)
CMYK	cmyk(4.8%, 0%, 81.7%, 59.2%)
CIE-LAB	lab(42.16, -12.96, 43.35)
CIE-LCH	lch(42.16, 45.24, 106.64°)
OKLab	oklab(49.69% -0.0403 0.0947)
OKLCH	oklch(49.69% 0.103 113.1)
XYZ	xyz(10.2138, 12.6005, 2.5101)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636813 #181368

analogous

#684313 #636813 #396813

triadic

#636813 #136368 #681363

tetradic

#636813 #136843 #181368 #681339

square

#636813 #136843 #181368 #681339

split-complementary

#636813 #133968 #431368

monochromatic

#191A05 #32340A #636813 #949C1C #C6CF26

Accessibility & contrast

On white

5.97

#636813 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#636813 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636813

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636813	#FFFFFF	#000000	##FFFFFF
##636813	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706300

Deuteranopia (green-blind)

#70641B

Tritanopia (blue-blind)

#6A6158

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #636813;
/* rgb */ color: rgb(99, 104, 19);
/* oklch */ color: oklch(49.7% 0.103 113.1);

Tailwind

colors: {
  custom: {
    50: '#929359',
    500: '#636813',
    950: '#000000',
  },
}

SCSS

$custom: #636813;
$custom-light: #929359;
$custom-dark: #000000;

JSON

{
  "hex": "#636813",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 19
  },
  "hsl": {
    "h": 63.529,
    "s": 69.106,
    "l": 24.118
  },
  "oklch": {
    "l": 0.4969,
    "c": 0.10289,
    "h": 113.1
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary

#636813

secondary

#3E379F

accent

#3CEC46

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #636813

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

Preview Lab → · Contrast checker → · Palette generator →