#636C11#636C11

#636C11 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.7% C 0.109 H 115.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#636C11
RGB	rgb(99, 108, 17)
HSL	hsl(66, 73%, 25%)
HSV	hsv(66, 84%, 42%)
CMYK	cmyk(8.3%, 0%, 84.3%, 57.6%)
CIE-LAB	lab(43.39, -15.23, 45.09)
CIE-LCH	lch(43.39, 47.59, 108.67°)
OKLab	oklab(50.68% -0.0468 0.098)
OKLCH	oklch(50.68% 0.109 115.5)
XYZ	xyz(10.6096, 13.4184, 2.5613)
Luminance	0.1342 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636C11 #1A116C

analogous

#6C4811 #636C11 #366C11

triadic

#636C11 #11636C #6C1163

tetradic

#636C11 #116C48 #1A116C #6C1136

square

#636C11 #116C48 #1A116C #6C1136

split-complementary

#636C11 #11366C #48116C

monochromatic

#181A04 #333709 #636C11 #93A119 #C4D622

Accessibility & contrast

On white

5.70

#636C11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#636C11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636C11

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636C11	#FFFFFF	#000000	##FFFFFF
##636C11	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746600

Deuteranopia (green-blind)

#74671A

Tritanopia (blue-blind)

#6A655C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #636c11;
/* rgb */ color: rgb(99, 108, 17);
/* oklch */ color: oklch(50.7% 0.109 115.5);

Tailwind

colors: {
  custom: {
    50: '#929659',
    500: '#636c11',
    950: '#000000',
  },
}

SCSS

$custom: #636c11;
$custom-light: #929659;
$custom-dark: #000000;

JSON

{
  "hex": "#636c11",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 17
  },
  "hsl": {
    "h": 65.934,
    "s": 72.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.50675,
    "c": 0.10858,
    "h": 115.5
  },
  "luminance": 0.13418
}

Semantic roles & 50–950 ramp

primary

#636C11

secondary

#4035A4

accent

#38EF4A

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636C11

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

Preview Lab → · Contrast checker → · Palette generator →