#646816#646816

#646816 is a mid, moderate yellow. Relative luminance 0.127; OKLCH L 49.8% C 0.101 H 112.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#646816
RGB	rgb(100, 104, 22)
HSL	hsl(63, 65%, 25%)
HSV	hsv(63, 79%, 41%)
CMYK	cmyk(3.8%, 0%, 78.8%, 59.2%)
CIE-LAB	lab(42.26, -12.34, 42.42)
CIE-LCH	lch(42.26, 44.18, 106.22°)
OKLab	oklab(49.8% -0.0384 0.0933)
OKLCH	oklch(49.8% 0.101 112.4)
XYZ	xyz(10.3510, 12.6681, 2.6588)
Luminance	0.1267 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646816 #1A1668

analogous

#684316 #646816 #3B6816

triadic

#646816 #166468 #681664

tetradic

#646816 #166843 #1A1668 #68163B

square

#646816 #166843 #1A1668 #68163B

split-complementary

#646816 #163B68 #431668

monochromatic

#181905 #33350B #646816 #959B21 #C5CD2B

Accessibility & contrast

On white

5.94

#646816 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#646816 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646816

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646816	#FFFFFF	#000000	##FFFFFF
##646816	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706304

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#6B6159

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646816;
/* rgb */ color: rgb(100, 104, 22);
/* oklch */ color: oklch(49.8% 0.101 112.4);

Tailwind

colors: {
  custom: {
    50: '#93925b',
    500: '#646816',
    950: '#000000',
  },
}

SCSS

$custom: #646816;
$custom-light: #93925b;
$custom-dark: #000000;

JSON

{
  "hex": "#646816",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 22
  },
  "hsl": {
    "h": 62.927,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.498,
    "c": 0.10085,
    "h": 112.4
  },
  "luminance": 0.12668
}

Semantic roles & 50–950 ramp

primary

#646816

secondary

#403B9F

accent

#40E848

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #646816

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

Preview Lab → · Contrast checker → · Palette generator →