#636F10#636F10

#636F10 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.4% C 0.113 H 117.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#636F10
RGB	rgb(99, 111, 16)
HSL	hsl(68, 75%, 25%)
HSV	hsv(68, 86%, 44%)
CMYK	cmyk(10.8%, 0%, 85.6%, 56.5%)
CIE-LAB	lab(44.32, -16.89, 46.19)
CIE-LCH	lch(44.32, 49.19, 110.09°)
OKLab	oklab(51.42% -0.0514 0.1002)
OKLCH	oklch(51.42% 0.113 117.2)
XYZ	xyz(10.9238, 14.0591, 2.6283)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636F10 #1C106F

analogous

#6F4C10 #636F10 #346F10

triadic

#636F10 #10636F #6F1063

tetradic

#636F10 #106F4C #1C106F #6F1034

square

#636F10 #106F4C #1C106F #6F1034

split-complementary

#636F10 #10346F #4C106F

monochromatic

#181B04 #333A08 #636F10 #93A418 #C2DA1F

Accessibility & contrast

On white

5.51

#636F10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#636F10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636F10

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636F10	#FFFFFF	#000000	##FFFFFF
##636F10	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)

#76691A

Tritanopia (blue-blind)

#6A685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #636f10;
/* rgb */ color: rgb(99, 111, 16);
/* oklch */ color: oklch(51.4% 0.113 117.2);

Tailwind

colors: {
  custom: {
    50: '#939859',
    500: '#636f10',
    950: '#000000',
  },
}

SCSS

$custom: #636f10;
$custom-light: #939859;
$custom-dark: #000000;

JSON

{
  "hex": "#636f10",
  "rgb": {
    "r": 99,
    "g": 111,
    "b": 16
  },
  "hsl": {
    "h": 67.579,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.51422,
    "c": 0.1126,
    "h": 117.2
  },
  "luminance": 0.14059
}

Semantic roles & 50–950 ramp

primary

#636F10

secondary

#4334A7

accent

#36F14E

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636F10

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

Preview Lab → · Contrast checker → · Palette generator →