#646552#646552

#646552 is a mid, muted yellow. Relative luminance 0.126; OKLCH L 50.0% C 0.029 H 109.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#646552
RGB	rgb(100, 101, 82)
HSL	hsl(63, 10%, 36%)
HSV	hsv(63, 19%, 40%)
CMYK	cmyk(1%, 0%, 18.8%, 60.4%)
CIE-LAB	lab(42.19, -4.03, 10.66)
CIE-LCH	lch(42.19, 11.39, 110.69°)
OKLab	oklab(50.02% -0.0099 0.0273)
OKLCH	oklch(50.02% 0.029 109.9)
XYZ	xyz(11.4321, 12.6260, 9.8158)
Luminance	0.1263 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646552 #535265

analogous

#655C52 #646552 #5A6552

triadic

#646552 #526465 #655264

tetradic

#646552 #52655C #535265 #65525A

square

#646552 #52655C #535265 #65525A

split-complementary

#646552 #525A65 #5C5265

monochromatic

#21211B #434337 #646552 #85876D #A2A38E

Accessibility & contrast

On white

5.96

#646552 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#646552 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646552

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646552	#FFFFFF	#000000	##FFFFFF
##646552	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686351

Deuteranopia (green-blind)

#686453

Tritanopia (blue-blind)

#676360

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646552;
/* rgb */ color: rgb(100, 101, 82);
/* oklch */ color: oklch(50.0% 0.029 109.9);

Tailwind

colors: {
  custom: {
    50: '#909082',
    500: '#646552',
    950: '#000000',
  },
}

SCSS

$custom: #646552;
$custom-light: #909082;
$custom-dark: #000000;

JSON

{
  "hex": "#646552",
  "rgb": {
    "r": 100,
    "g": 101,
    "b": 82
  },
  "hsl": {
    "h": 63.158,
    "s": 10.383,
    "l": 35.882
  },
  "oklch": {
    "l": 0.50024,
    "c": 0.02907,
    "h": 109.9
  },
  "luminance": 0.12626
}

Semantic roles & 50–950 ramp

primary

#646552

secondary

#828192

accent

#74B378

background

#F8F8F7

surface

#F0F0EE

border

#CBCBC9

text

#0C0C0A

muted

#7D7D7C

Preview Lab

Preview with #646552

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

Preview Lab → · Contrast checker → · Palette generator →