#646A13#646A13

#646A13 is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.105 H 113.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#646A13
RGB	rgb(100, 106, 19)
HSL	hsl(64, 70%, 25%)
HSV	hsv(64, 82%, 42%)
CMYK	cmyk(5.7%, 0%, 82.1%, 58.4%)
CIE-LAB	lab(42.86, -13.59, 44.02)
CIE-LCH	lch(42.86, 46.07, 107.16°)
OKLab	oklab(50.28% -0.0421 0.0961)
OKLCH	oklch(50.28% 0.105 113.7)
XYZ	xyz(10.5274, 13.0646, 2.5831)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A13 #19136A

analogous

#6A4513 #646A13 #396A13

triadic

#646A13 #13646A #6A1364

tetradic

#646A13 #136A45 #19136A #6A1339

square

#646A13 #136A45 #19136A #6A1339

split-complementary

#646A13 #13396A #45136A

monochromatic

#181A05 #33360A #646A13 #959E1C #C6D226

Accessibility & contrast

On white

5.81

#646A13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#646A13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A13

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A13	#FFFFFF	#000000	##FFFFFF
##646A13	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726400

Deuteranopia (green-blind)

#72661B

Tritanopia (blue-blind)

#6B635A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646a13;
/* rgb */ color: rgb(100, 106, 19);
/* oklch */ color: oklch(50.3% 0.105 113.7);

Tailwind

colors: {
  custom: {
    50: '#93945a',
    500: '#646a13',
    950: '#000000',
  },
}

SCSS

$custom: #646a13;
$custom-light: #93945a;
$custom-dark: #000000;

JSON

{
  "hex": "#646a13",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 19
  },
  "hsl": {
    "h": 64.138,
    "s": 69.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.50277,
    "c": 0.10488,
    "h": 113.7
  },
  "luminance": 0.13064
}

Semantic roles & 50–950 ramp

primary

#646A13

secondary

#3F38A1

accent

#3BEC48

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646A13

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

Preview Lab → · Contrast checker → · Palette generator →