#646D29#646D29

#646D29 is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.2% C 0.092 H 116.1°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#646D29
RGB	rgb(100, 109, 41)
HSL	hsl(68, 45%, 29%)
HSV	hsv(68, 62%, 43%)
CMYK	cmyk(8.3%, 0%, 62.4%, 57.3%)
CIE-LAB	lab(43.95, -13.85, 35.92)
CIE-LCH	lch(43.95, 38.50, 111.08°)
OKLab	oklab(51.21% -0.0405 0.0828)
OKLCH	oklch(51.21% 0.092 116.1)
XYZ	xyz(11.1246, 13.8068, 4.1763)
Luminance	0.1381 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D29 #32296D

analogous

#6D5429 #646D29 #426D29

triadic

#646D29 #29646D #6D2964

tetradic

#646D29 #296D54 #32296D #6D2942

square

#646D29 #296D54 #32296D #6D2942

split-complementary

#646D29 #29426D #54296D

monochromatic

#141608 #3B4118 #646D29 #8D993A #B0BE52

Accessibility & contrast

On white

5.58

#646D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#646D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D29

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D29	#FFFFFF	#000000	##FFFFFF
##646D29	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)

#746821

Deuteranopia (green-blind)

#74682D

Tritanopia (blue-blind)

#6A675E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646d29;
/* rgb */ color: rgb(100, 109, 41);
/* oklch */ color: oklch(51.2% 0.092 116.1);

Tailwind

colors: {
  custom: {
    50: '#929666',
    500: '#646d29',
    950: '#000000',
  },
}

SCSS

$custom: #646d29;
$custom-light: #929666;
$custom-dark: #000000;

JSON

{
  "hex": "#646d29",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 41
  },
  "hsl": {
    "h": 67.941,
    "s": 45.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51207,
    "c": 0.09218,
    "h": 116.1
  },
  "luminance": 0.13807
}

Semantic roles & 50–950 ramp

primary

#646D29

secondary

#5D539F

accent

#53D564

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646D29

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

Preview Lab → · Contrast checker → · Palette generator →