#636811#636811

#636811 is a mid, moderate yellow. Relative luminance 0.126; OKLCH L 49.7% C 0.104 H 113.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#636811
RGB	rgb(99, 104, 17)
HSL	hsl(63, 72%, 24%)
HSV	hsv(63, 84%, 41%)
CMYK	cmyk(4.8%, 0%, 83.7%, 59.2%)
CIE-LAB	lab(42.15, -13.04, 43.99)
CIE-LCH	lch(42.15, 45.88, 106.51°)
OKLab	oklab(49.68% -0.0407 0.0956)
OKLCH	oklch(49.68% 0.104 113.1)
XYZ	xyz(10.1974, 12.5940, 2.4239)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636811 #161168

analogous

#684111 #636811 #376811

triadic

#636811 #116368 #681163

tetradic

#636811 #116841 #161168 #681137

square

#636811 #116841 #161168 #681137

split-complementary

#636811 #113768 #411168

monochromatic

#191A04 #313308 #636811 #959D1A #C7D122

Accessibility & contrast

On white

5.97

#636811 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#636811 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636811

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636811	#FFFFFF	#000000	##FFFFFF
##636811	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)

#716419

Tritanopia (blue-blind)

#6A6158

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #636811;
/* rgb */ color: rgb(99, 104, 17);
/* oklch */ color: oklch(49.7% 0.104 113.1);

Tailwind

colors: {
  custom: {
    50: '#929258',
    500: '#636811',
    950: '#000000',
  },
}

SCSS

$custom: #636811;
$custom-light: #929258;
$custom-dark: #000000;

JSON

{
  "hex": "#636811",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 17
  },
  "hsl": {
    "h": 63.448,
    "s": 71.901,
    "l": 23.725
  },
  "oklch": {
    "l": 0.49679,
    "c": 0.10395,
    "h": 113.1
  },
  "luminance": 0.12594
}

Semantic roles & 50–950 ramp

primary

#636811

secondary

#3B35A0

accent

#39EF44

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #636811

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

Preview Lab → · Contrast checker → · Palette generator →