#636F13#636F13

#636F13 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.4% C 0.111 H 117.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#636F13
RGB	rgb(99, 111, 19)
HSL	hsl(68, 71%, 25%)
HSV	hsv(68, 83%, 44%)
CMYK	cmyk(10.8%, 0%, 82.9%, 56.5%)
CIE-LAB	lab(44.33, -16.77, 45.31)
CIE-LCH	lch(44.33, 48.31, 110.31°)
OKLab	oklab(51.44% -0.0508 0.0988)
OKLCH	oklch(51.44% 0.111 117.2)
XYZ	xyz(10.9479, 14.0687, 2.7548)
Luminance	0.1407 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636F13 #1F136F

analogous

#6F4D13 #636F13 #356F13

triadic

#636F13 #13636F #6F1363

tetradic

#636F13 #136F4D #1F136F #6F1335

square

#636F13 #136F4D #1F136F #6F1335

split-complementary

#636F13 #13356F #4D136F

monochromatic

#171A04 #343B0A #636F13 #92A31C #C0D825

Accessibility & contrast

On white

5.51

#636F13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#636F13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636F13

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636F13	#FFFFFF	#000000	##FFFFFF
##636F13	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)

#776900

Deuteranopia (green-blind)

#76691C

Tritanopia (blue-blind)

#6A685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #636f13;
/* rgb */ color: rgb(99, 111, 19);
/* oklch */ color: oklch(51.4% 0.111 117.2);

Tailwind

colors: {
  custom: {
    50: '#92985a',
    500: '#636f13',
    950: '#000000',
  },
}

SCSS

$custom: #636f13;
$custom-light: #92985a;
$custom-dark: #000000;

JSON

{
  "hex": "#636f13",
  "rgb": {
    "r": 99,
    "g": 111,
    "b": 19
  },
  "hsl": {
    "h": 67.826,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.51437,
    "c": 0.11115,
    "h": 117.2
  },
  "luminance": 0.14069
}

Semantic roles & 50–950 ramp

primary

#636F13

secondary

#4638A6

accent

#3AEE52

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636F13

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

Preview Lab → · Contrast checker → · Palette generator →