#646C2A#646C2A

#646C2A is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 51.0% C 0.090 H 115.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#646C2A
RGB	rgb(100, 108, 42)
HSL	hsl(67, 44%, 29%)
HSV	hsv(67, 61%, 42%)
CMYK	cmyk(7.4%, 0%, 61.1%, 57.6%)
CIE-LAB	lab(43.66, -13.21, 35.10)
CIE-LCH	lch(43.66, 37.50, 110.63°)
OKLab	oklab(50.97% -0.0386 0.0812)
OKLCH	oklch(50.97% 0.09 115.5)
XYZ	xyz(11.0362, 13.6018, 4.2341)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646C2A #322A6C

analogous

#6C532A #646C2A #436C2A

triadic

#646C2A #2A646C #6C2A64

tetradic

#646C2A #2A6C53 #322A6C #6C2A43

square

#646C2A #2A6C53 #322A6C #6C2A43

split-complementary

#646C2A #2A436C #532A6C

monochromatic

#141609 #3B4019 #646C2A #8D983B #B0BC54

Accessibility & contrast

On white

5.64

#646C2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#646C2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646C2A

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646C2A	#FFFFFF	#000000	##FFFFFF
##646C2A	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736723

Deuteranopia (green-blind)

#73682E

Tritanopia (blue-blind)

#6A665E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646c2a;
/* rgb */ color: rgb(100, 108, 42);
/* oklch */ color: oklch(51.0% 0.090 115.5);

Tailwind

colors: {
  custom: {
    50: '#929666',
    500: '#646c2a',
    950: '#000000',
  },
}

SCSS

$custom: #646c2a;
$custom-light: #929666;
$custom-dark: #000000;

JSON

{
  "hex": "#646c2a",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 42
  },
  "hsl": {
    "h": 67.273,
    "s": 44,
    "l": 29.412
  },
  "oklch": {
    "l": 0.50971,
    "c": 0.0899,
    "h": 115.5
  },
  "luminance": 0.13602
}

Semantic roles & 50–950 ramp

primary

#646C2A

secondary

#5D549E

accent

#54D464

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646C2A

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

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