#646D2A#646D2A

#646D2A is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.2% C 0.091 H 116.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#646D2A
RGB	rgb(100, 109, 42)
HSL	hsl(68, 44%, 30%)
HSV	hsv(68, 61%, 43%)
CMYK	cmyk(8.3%, 0%, 61.5%, 57.3%)
CIE-LAB	lab(43.96, -13.76, 35.44)
CIE-LCH	lch(43.96, 38.02, 111.22°)
OKLab	oklab(51.22% -0.0402 0.0819)
OKLCH	oklch(51.22% 0.091 116.1)
XYZ	xyz(11.1423, 13.8139, 4.2694)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D2A #332A6D

analogous

#6D552A #646D2A #426D2A

triadic

#646D2A #2A646D #6D2A64

tetradic

#646D2A #2A6D55 #332A6D #6D2A42

square

#646D2A #2A6D55 #332A6D #6D2A42

split-complementary

#646D2A #2A426D #552A6D

monochromatic

#141609 #3B4119 #646D2A #8D993B #AFBD54

Accessibility & contrast

On white

5.58

#646D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#646D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D2A

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D2A	#FFFFFF	#000000	##FFFFFF
##646D2A	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746823

Deuteranopia (green-blind)

#74682E

Tritanopia (blue-blind)

#6A675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646d2a;
/* rgb */ color: rgb(100, 109, 42);
/* oklch */ color: oklch(51.2% 0.091 116.1);

Tailwind

colors: {
  custom: {
    50: '#929666',
    500: '#646d2a',
    950: '#000000',
  },
}

SCSS

$custom: #646d2a;
$custom-light: #929666;
$custom-dark: #000000;

JSON

{
  "hex": "#646d2a",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 42
  },
  "hsl": {
    "h": 68.06,
    "s": 44.371,
    "l": 29.608
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.09124,
    "h": 116.1
  },
  "luminance": 0.13814
}

Semantic roles & 50–950 ramp

primary

#646D2A

secondary

#5E549F

accent

#54D465

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646D2A

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

Preview Lab → · Contrast checker → · Palette generator →