#636645#636645

#636645 is a mid, muted yellow. Relative luminance 0.126; OKLCH L 49.9% C 0.049 H 112.4°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#636645
RGB	rgb(99, 102, 69)
HSL	hsl(65, 19%, 34%)
HSV	hsv(65, 32%, 40%)
CMYK	cmyk(2.9%, 0%, 32.4%, 60%)
CIE-LAB	lab(42.13, -7.12, 18.31)
CIE-LCH	lch(42.13, 19.65, 111.24°)
OKLab	oklab(49.86% -0.0188 0.0457)
OKLCH	oklch(49.86% 0.049 112.4)
XYZ	xyz(10.9712, 12.5852, 7.4803)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636645 #484566

analogous

#665845 #636645 #526645

triadic

#636645 #456366 #664563

tetradic

#636645 #456658 #484566 #664552

square

#636645 #456658 #484566 #664552

split-complementary

#636645 #455266 #584566

monochromatic

#1C1D14 #40412C #636645 #868B5E #A4A87E

Accessibility & contrast

On white

5.97

#636645 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#636645 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636645

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636645	#FFFFFF	#000000	##FFFFFF
##636645	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6343

Deuteranopia (green-blind)

#6B6446

Tritanopia (blue-blind)

#67625D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #636645;
/* rgb */ color: rgb(99, 102, 69);
/* oklch */ color: oklch(49.9% 0.049 112.4);

Tailwind

colors: {
  custom: {
    50: '#909179',
    500: '#636645',
    950: '#000000',
  },
}

SCSS

$custom: #636645;
$custom-light: #909179;
$custom-dark: #000000;

JSON

{
  "hex": "#636645",
  "rgb": {
    "r": 99,
    "g": 102,
    "b": 69
  },
  "hsl": {
    "h": 65.455,
    "s": 19.298,
    "l": 33.529
  },
  "oklch": {
    "l": 0.49862,
    "c": 0.04942,
    "h": 112.4
  },
  "luminance": 0.12585
}

Semantic roles & 50–950 ramp

primary

#636645

secondary

#767394

accent

#6CBC73

background

#F8F8F7

surface

#F0F0ED

border

#CBCBC8

text

#0C0C09

muted

#7D7D7B

Preview Lab

Preview with #636645

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

Preview Lab → · Contrast checker → · Palette generator →