#646A1D#646A1D

#646A1D is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.099 H 113.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#646A1D
RGB	rgb(100, 106, 29)
HSL	hsl(65, 57%, 26%)
HSV	hsv(65, 73%, 42%)
CMYK	cmyk(5.7%, 0%, 72.6%, 58.4%)
CIE-LAB	lab(42.92, -13.07, 40.31)
CIE-LCH	lch(42.92, 42.38, 107.96°)
OKLab	oklab(50.35% -0.0397 0.0901)
OKLCH	oklch(50.35% 0.099 113.8)
XYZ	xyz(10.6316, 13.1063, 3.1319)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A1D #231D6A

analogous

#6A4A1D #646A1D #3E6A1D

triadic

#646A1D #1D646A #6A1D64

tetradic

#646A1D #1D6A4A #231D6A #6A1D3E

square

#646A1D #1D6A4A #231D6A #6A1D3E

split-complementary

#646A1D #1D3E6A #4A1D6A

monochromatic

#171807 #373A10 #646A1D #919A2A #BEC939

Accessibility & contrast

On white

5.80

#646A1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#646A1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A1D

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A1D	#FFFFFF	#000000	##FFFFFF
##646A1D	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726511

Deuteranopia (green-blind)

#726623

Tritanopia (blue-blind)

#6B635B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646a1d;
/* rgb */ color: rgb(100, 106, 29);
/* oklch */ color: oklch(50.3% 0.099 113.8);

Tailwind

colors: {
  custom: {
    50: '#93945e',
    500: '#646a1d',
    950: '#000000',
  },
}

SCSS

$custom: #646a1d;
$custom-light: #93945e;
$custom-dark: #000000;

JSON

{
  "hex": "#646a1d",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 29
  },
  "hsl": {
    "h": 64.675,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.50347,
    "c": 0.0985,
    "h": 113.8
  },
  "luminance": 0.13106
}

Semantic roles & 50–950 ramp

primary

#646A1D

secondary

#4B449F

accent

#48E053

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #646A1D

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

Preview Lab → · Contrast checker → · Palette generator →