#636628#636628

#636628 is a mid, moderate yellow. Relative luminance 0.123; OKLCH L 49.4% C 0.084 H 111.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#636628
RGB	rgb(99, 102, 40)
HSL	hsl(63, 44%, 28%)
HSV	hsv(63, 61%, 40%)
CMYK	cmyk(2.9%, 0%, 60.8%, 60%)
CIE-LAB	lab(41.70, -10.49, 33.89)
CIE-LCH	lch(41.70, 35.48, 107.20°)
OKLab	oklab(49.38% -0.0311 0.0784)
OKLCH	oklch(49.38% 0.084 111.7)
XYZ	xyz(10.2802, 12.3088, 3.8414)
Luminance	0.1231 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636628 #2B2866

analogous

#664A28 #636628 #446628

triadic

#636628 #286366 #662863

tetradic

#636628 #28664A #2B2866 #662844

square

#636628 #28664A #2B2866 #662844

split-complementary

#636628 #284466 #4A2866

monochromatic

#151609 #383A17 #636628 #8E9239 #B5BA4F

Accessibility & contrast

On white

6.07

#636628 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#636628 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636628

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636628	#FFFFFF	#000000	##FFFFFF
##636628	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6221

Deuteranopia (green-blind)

#6E632C

Tritanopia (blue-blind)

#696059

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #636628;
/* rgb */ color: rgb(99, 102, 40);
/* oklch */ color: oklch(49.4% 0.084 111.7);

Tailwind

colors: {
  custom: {
    50: '#919165',
    500: '#636628',
    950: '#000000',
  },
}

SCSS

$custom: #636628;
$custom-light: #919165;
$custom-dark: #000000;

JSON

{
  "hex": "#636628",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 40
  },
  "hsl": {
    "h": 62.903,
    "s": 43.662,
    "l": 27.843
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.08432,
    "h": 111.7
  },
  "luminance": 0.12309
}

Semantic roles & 50–950 ramp

primary

#636628

secondary

#555199

accent

#54D35B

background

#F9F8F6

surface

#F1F0EB

border

#CBCBC6

text

#0D0C06

muted

#7E7D7A

Preview Lab

Preview with #636628

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

Preview Lab → · Contrast checker → · Palette generator →