#636D13#636D13

#636D13 is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 50.9% C 0.109 H 116.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#636D13
RGB	rgb(99, 109, 19)
HSL	hsl(67, 70%, 25%)
HSV	hsv(67, 83%, 43%)
CMYK	cmyk(9.2%, 0%, 82.6%, 57.3%)
CIE-LAB	lab(43.71, -15.69, 44.75)
CIE-LCH	lch(43.71, 47.42, 109.33°)
OKLab	oklab(50.94% -0.0479 0.0977)
OKLCH	oklch(50.94% 0.109 116.1)
XYZ	xyz(10.7321, 13.6371, 2.6828)
Luminance	0.1364 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636D13 #1D136D

analogous

#6D4A13 #636D13 #366D13

triadic

#636D13 #13636D #6D1363

tetradic

#636D13 #136D4A #1D136D #6D1336

square

#636D13 #136D4A #1D136D #6D1336

split-complementary

#636D13 #13366D #4A136D

monochromatic

#181A05 #34390A #636D13 #92A11C #C2D525

Accessibility & contrast

On white

5.63

#636D13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#636D13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636D13

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636D13	#FFFFFF	#000000	##FFFFFF
##636D13	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756700

Deuteranopia (green-blind)

#74681C

Tritanopia (blue-blind)

#6A665D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636d13;
/* rgb */ color: rgb(99, 109, 19);
/* oklch */ color: oklch(50.9% 0.109 116.1);

Tailwind

colors: {
  custom: {
    50: '#92965a',
    500: '#636d13',
    950: '#000000',
  },
}

SCSS

$custom: #636d13;
$custom-light: #92965a;
$custom-dark: #000000;

JSON

{
  "hex": "#636d13",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 19
  },
  "hsl": {
    "h": 66.667,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.50936,
    "c": 0.10876,
    "h": 116.1
  },
  "luminance": 0.13637
}

Semantic roles & 50–950 ramp

primary

#636D13

secondary

#4438A4

accent

#3BED4F

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636D13

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

Preview Lab → · Contrast checker → · Palette generator →