#646511#646511

#646511 is a mid, moderate yellow. Relative luminance 0.121; OKLCH L 49.0% C 0.100 H 110.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#646511
RGB	rgb(100, 101, 17)
HSL	hsl(61, 71%, 23%)
HSV	hsv(61, 83%, 40%)
CMYK	cmyk(1%, 0%, 83.2%, 60.4%)
CIE-LAB	lab(41.31, -10.89, 43.28)
CIE-LCH	lch(41.31, 44.63, 104.12°)
OKLab	oklab(49.03% -0.0348 0.0941)
OKLCH	oklch(49.03% 0.1 110.3)
XYZ	xyz(10.0108, 12.0574, 2.3302)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646511 #121165

analogous

#653C11 #646511 #3A6511

triadic

#646511 #116465 #651164

tetradic

#646511 #11653C #121165 #65113A

square

#646511 #11653C #121165 #65113A

split-complementary

#646511 #113A65 #3C1165

monochromatic

#1A1A04 #303108 #646511 #98991A #CCCE23

Accessibility & contrast

On white

6.16

#646511 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#646511 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646511

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646511	#FFFFFF	#000000	##FFFFFF
##646511	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6000

Deuteranopia (green-blind)

#6F6319

Tritanopia (blue-blind)

#6C5E56

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #646511;
/* rgb */ color: rgb(100, 101, 17);
/* oklch */ color: oklch(49.0% 0.100 110.3);

Tailwind

colors: {
  custom: {
    50: '#939058',
    500: '#646511',
    950: '#000000',
  },
}

SCSS

$custom: #646511;
$custom-light: #939058;
$custom-dark: #000000;

JSON

{
  "hex": "#646511",
  "rgb": {
    "r": 100,
    "g": 101,
    "b": 17
  },
  "hsl": {
    "h": 60.714,
    "s": 71.186,
    "l": 23.137
  },
  "oklch": {
    "l": 0.4903,
    "c": 0.1003,
    "h": 110.3
  },
  "luminance": 0.12057
}

Semantic roles & 50–950 ramp

primary

#646511

secondary

#36359D

accent

#3AEE3C

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #646511

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

Preview Lab → · Contrast checker → · Palette generator →