#646D1A#646D1A

#646D1A is a mid, moderate yellow. Relative luminance 0.137; OKLCH L 51.1% C 0.104 H 115.6°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#646D1A
RGB	rgb(100, 109, 26)
HSL	hsl(67, 61%, 26%)
HSV	hsv(67, 76%, 43%)
CMYK	cmyk(8.3%, 0%, 76.1%, 57.3%)
CIE-LAB	lab(43.83, -14.89, 42.41)
CIE-LCH	lch(43.83, 44.95, 109.34°)
OKLab	oklab(51.07% -0.0451 0.094)
OKLCH	oklch(51.07% 0.104 115.6)
XYZ	xyz(10.9109, 13.7214, 3.0508)
Luminance	0.1372 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D1A #231A6D

analogous

#6D4D1A #646D1A #3B6D1A

triadic

#646D1A #1A646D #6D1A64

tetradic

#646D1A #1A6D4D #231A6D #6D1A3B

square

#646D1A #1A6D4D #231A6D #6D1A3B

split-complementary

#646D1A #1A3B6D #4D1A6D

monochromatic

#171906 #373C0E #646D1A #919E26 #BECE33

Accessibility & contrast

On white

5.61

#646D1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#646D1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D1A

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D1A	#FFFFFF	#000000	##FFFFFF
##646D1A	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75670A

Deuteranopia (green-blind)

#746821

Tritanopia (blue-blind)

#6B665D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646d1a;
/* rgb */ color: rgb(100, 109, 26);
/* oklch */ color: oklch(51.1% 0.104 115.6);

Tailwind

colors: {
  custom: {
    50: '#93965d',
    500: '#646d1a',
    950: '#000000',
  },
}

SCSS

$custom: #646d1a;
$custom-light: #93965d;
$custom-dark: #000000;

JSON

{
  "hex": "#646d1a",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 26
  },
  "hsl": {
    "h": 66.506,
    "s": 61.481,
    "l": 26.471
  },
  "oklch": {
    "l": 0.51068,
    "c": 0.10425,
    "h": 115.6
  },
  "luminance": 0.13721
}

Semantic roles & 50–950 ramp

primary

#646D1A

secondary

#4B41A2

accent

#43E555

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646D1A

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

Preview Lab → · Contrast checker → · Palette generator →