#636D4E#636D4E

#636D4E is a mid, muted yellow-green. Relative luminance 0.141; OKLCH L 51.8% C 0.048 H 122.6°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#636D4E
RGB	rgb(99, 109, 78)
HSL	hsl(79, 17%, 37%)
HSV	hsv(79, 28%, 43%)
CMYK	cmyk(9.2%, 0%, 28.4%, 57.3%)
CIE-LAB	lab(44.43, -9.73, 16.10)
CIE-LCH	lch(44.43, 18.82, 121.14°)
OKLab	oklab(51.75% -0.026 0.0406)
OKLCH	oklch(51.75% 0.048 122.6)
XYZ	xyz(11.9892, 14.1400, 9.3039)
Luminance	0.1414 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636D4E #584E6D

analogous

#6D684E #636D4E #546D4E

triadic

#636D4E #4E636D #6D4E63

tetradic

#636D4E #4E6D68 #584E6D #6D4E54

square

#636D4E #4E6D68 #584E6D #6D4E54

split-complementary

#636D4E #4E546D #684E6D

monochromatic

#22261B #434934 #636D4E #839168 #A1AB8A

Accessibility & contrast

On white

5.49

#636D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#636D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636D4E

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636D4E	#FFFFFF	#000000	##FFFFFF
##636D4E	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71694C

Deuteranopia (green-blind)

#6F694F

Tritanopia (blue-blind)

#656A65

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #636d4e;
/* rgb */ color: rgb(99, 109, 78);
/* oklch */ color: oklch(51.8% 0.048 122.6);

Tailwind

colors: {
  custom: {
    50: '#8f967f',
    500: '#636d4e',
    950: '#000000',
  },
}

SCSS

$custom: #636d4e;
$custom-light: #8f967f;
$custom-dark: #000000;

JSON

{
  "hex": "#636d4e",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 78
  },
  "hsl": {
    "h": 79.355,
    "s": 16.578,
    "l": 36.667
  },
  "oklch": {
    "l": 0.51751,
    "c": 0.04822,
    "h": 122.6
  },
  "luminance": 0.1414
}

Semantic roles & 50–950 ramp

primary

#636D4E

secondary

#877E99

accent

#6FB987

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0C0D0A

muted

#7D7E7C

Preview Lab

Preview with #636D4E

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

Preview Lab → · Contrast checker → · Palette generator →