#646611#646611

#646611 is a mid, moderate yellow. Relative luminance 0.123; OKLCH L 49.3% C 0.101 H 111.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#646611
RGB	rgb(100, 102, 17)
HSL	hsl(61, 71%, 23%)
HSV	hsv(61, 83%, 40%)
CMYK	cmyk(2%, 0%, 83.3%, 60%)
CIE-LAB	lab(41.62, -11.45, 43.55)
CIE-LCH	lch(41.62, 45.03, 104.73°)
OKLab	oklab(49.28% -0.0364 0.0947)
OKLCH	oklch(49.28% 0.101 111)
XYZ	xyz(10.1084, 12.2528, 2.3628)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646611 #131166

analogous

#663D11 #646611 #396611

triadic

#646611 #116466 #661164

tetradic

#646611 #11663D #131166 #661139

square

#646611 #11663D #131166 #661139

split-complementary

#646611 #113966 #3D1166

monochromatic

#1A1A04 #313208 #646611 #979A1A #CBCF22

Accessibility & contrast

On white

6.09

#646611 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#646611 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646611

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646611	#FFFFFF	#000000	##FFFFFF
##646611	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6100

Deuteranopia (green-blind)

#6F6319

Tritanopia (blue-blind)

#6C5F56

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #646611;
/* rgb */ color: rgb(100, 102, 17);
/* oklch */ color: oklch(49.3% 0.101 111.0);

Tailwind

colors: {
  custom: {
    50: '#939158',
    500: '#646611',
    950: '#000000',
  },
}

SCSS

$custom: #646611;
$custom-light: #939158;
$custom-dark: #000000;

JSON

{
  "hex": "#646611",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 17
  },
  "hsl": {
    "h": 61.412,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.49276,
    "c": 0.10141,
    "h": 111
  },
  "luminance": 0.12253
}

Semantic roles & 50–950 ramp

primary

#646611

secondary

#37359E

accent

#3AEE3E

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #646611

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

Preview Lab → · Contrast checker → · Palette generator →