#636636#636636

#636636 is a mid, moderate yellow. Relative luminance 0.124; OKLCH L 49.6% C 0.069 H 111.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#636636
RGB	rgb(99, 102, 54)
HSL	hsl(64, 31%, 31%)
HSV	hsv(64, 47%, 40%)
CMYK	cmyk(2.9%, 0%, 47.1%, 60%)
CIE-LAB	lab(41.88, -9.09, 26.63)
CIE-LCH	lch(41.88, 28.13, 108.84°)
OKLab	oklab(49.58% -0.0256 0.064)
OKLCH	oklch(49.58% 0.069 111.8)
XYZ	xyz(10.5630, 12.4219, 5.3305)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636636 #393666

analogous

#665136 #636636 #4B6636

triadic

#636636 #366366 #663663

tetradic

#636636 #366651 #393666 #66364B

square

#636636 #366651 #393666 #66364B

split-complementary

#636636 #364B66 #513666

monochromatic

#15160C #3C3E21 #636636 #8A8E4B #AAAF68

Accessibility & contrast

On white

6.03

#636636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#636636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636636

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636636	#FFFFFF	#000000	##FFFFFF
##636636	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6232

Deuteranopia (green-blind)

#6D6338

Tritanopia (blue-blind)

#69615B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #636636;
/* rgb */ color: rgb(99, 102, 54);
/* oklch */ color: oklch(49.6% 0.069 111.8);

Tailwind

colors: {
  custom: {
    50: '#90916e',
    500: '#636636',
    950: '#000000',
  },
}

SCSS

$custom: #636636;
$custom-light: #90916e;
$custom-dark: #000000;

JSON

{
  "hex": "#636636",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 54
  },
  "hsl": {
    "h": 63.75,
    "s": 30.769,
    "l": 30.588
  },
  "oklch": {
    "l": 0.49578,
    "c": 0.06892,
    "h": 111.8
  },
  "luminance": 0.12422
}

Semantic roles & 50–950 ramp

primary

#636636

secondary

#656197

accent

#61C767

background

#F8F8F6

surface

#F0F0EC

border

#CBCBC7

text

#0D0C07

muted

#7D7D7A

Preview Lab

Preview with #636636

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

Preview Lab → · Contrast checker → · Palette generator →