#636F11#636F11

#636F11 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.4% C 0.112 H 117.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#636F11
RGB	rgb(99, 111, 17)
HSL	hsl(68, 73%, 25%)
HSV	hsv(68, 85%, 44%)
CMYK	cmyk(10.8%, 0%, 84.7%, 56.5%)
CIE-LAB	lab(44.32, -16.85, 45.91)
CIE-LCH	lch(44.32, 48.90, 110.16°)
OKLab	oklab(51.43% -0.0512 0.0998)
OKLCH	oklch(51.43% 0.112 117.2)
XYZ	xyz(10.9315, 14.0621, 2.6686)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636F11 #1D116F

analogous

#6F4C11 #636F11 #346F11

triadic

#636F11 #11636F #6F1163

tetradic

#636F11 #116F4C #1D116F #6F1134

square

#636F11 #116F4C #1D116F #6F1134

split-complementary

#636F11 #11346F #4C116F

monochromatic

#181B04 #343A09 #636F11 #92A419 #C2D921

Accessibility & contrast

On white

5.51

#636F11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#636F11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636F11

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636F11	#FFFFFF	#000000	##FFFFFF
##636F11	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776800

Deuteranopia (green-blind)

#76691B

Tritanopia (blue-blind)

#6A685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #636f11;
/* rgb */ color: rgb(99, 111, 17);
/* oklch */ color: oklch(51.4% 0.112 117.2);

Tailwind

colors: {
  custom: {
    50: '#939859',
    500: '#636f11',
    950: '#000000',
  },
}

SCSS

$custom: #636f11;
$custom-light: #939859;
$custom-dark: #000000;

JSON

{
  "hex": "#636f11",
  "rgb": {
    "r": 99,
    "g": 111,
    "b": 17
  },
  "hsl": {
    "h": 67.66,
    "s": 73.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.51427,
    "c": 0.11214,
    "h": 117.2
  },
  "luminance": 0.14062
}

Semantic roles & 50–950 ramp

primary

#636F11

secondary

#4435A6

accent

#38F04F

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636F11

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

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