#646A11#646A11

#646A11 is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.106 H 113.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#646A11
RGB	rgb(100, 106, 17)
HSL	hsl(64, 72%, 24%)
HSV	hsv(64, 84%, 42%)
CMYK	cmyk(5.7%, 0%, 84%, 58.4%)
CIE-LAB	lab(42.85, -13.67, 44.64)
CIE-LCH	lch(42.85, 46.69, 107.02°)
OKLab	oklab(50.27% -0.0425 0.097)
OKLCH	oklch(50.27% 0.106 113.7)
XYZ	xyz(10.5111, 13.0581, 2.4970)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A11 #17116A

analogous

#6A4411 #646A11 #386A11

triadic

#646A11 #11646A #6A1164

tetradic

#646A11 #116A44 #17116A #6A1138

square

#646A11 #116A44 #17116A #6A1138

split-complementary

#646A11 #11386A #44116A

monochromatic

#191A04 #323509 #646A11 #969F19 #C8D322

Accessibility & contrast

On white

5.81

#646A11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#646A11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A11

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A11	#FFFFFF	#000000	##FFFFFF
##646A11	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)

#736400

Deuteranopia (green-blind)

#72661A

Tritanopia (blue-blind)

#6B635A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646a11;
/* rgb */ color: rgb(100, 106, 17);
/* oklch */ color: oklch(50.3% 0.106 113.7);

Tailwind

colors: {
  custom: {
    50: '#939459',
    500: '#646a11',
    950: '#000000',
  },
}

SCSS

$custom: #646a11;
$custom-light: #939459;
$custom-dark: #000000;

JSON

{
  "hex": "#646a11",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 17
  },
  "hsl": {
    "h": 64.045,
    "s": 72.358,
    "l": 24.118
  },
  "oklch": {
    "l": 0.50266,
    "c": 0.10591,
    "h": 113.7
  },
  "luminance": 0.13058
}

Semantic roles & 50–950 ramp

primary

#646A11

secondary

#3C35A2

accent

#39EF45

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646A11

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

Preview Lab → · Contrast checker → · Palette generator →