#646918#646918

#646918 is a mid, moderate yellow. Relative luminance 0.129; OKLCH L 50.1% C 0.101 H 113.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#646918
RGB	rgb(100, 105, 24)
HSL	hsl(64, 63%, 25%)
HSV	hsv(64, 77%, 41%)
CMYK	cmyk(4.8%, 0%, 77.1%, 58.8%)
CIE-LAB	lab(42.58, -12.80, 41.98)
CIE-LCH	lch(42.58, 43.89, 106.95°)
OKLab	oklab(50.06% -0.0395 0.0927)
OKLCH	oklch(50.06% 0.101 113.1)
XYZ	xyz(10.4723, 12.8787, 2.7981)
Luminance	0.1288 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646918 #1D1869

analogous

#694618 #646918 #3B6918

triadic

#646918 #186469 #691864

tetradic

#646918 #186946 #1D1869 #69183B

square

#646918 #186946 #1D1869 #69183B

split-complementary

#646918 #183B69 #461869

monochromatic

#181906 #35370D #646918 #939B23 #C3CD2F

Accessibility & contrast

On white

5.87

#646918 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#646918 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646918

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646918	#FFFFFF	#000000	##FFFFFF
##646918	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716408

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#6B6259

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646918;
/* rgb */ color: rgb(100, 105, 24);
/* oklch */ color: oklch(50.1% 0.101 113.1);

Tailwind

colors: {
  custom: {
    50: '#93935c',
    500: '#646918',
    950: '#000000',
  },
}

SCSS

$custom: #646918;
$custom-light: #93935c;
$custom-dark: #000000;

JSON

{
  "hex": "#646918",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 24
  },
  "hsl": {
    "h": 63.704,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.50061,
    "c": 0.10076,
    "h": 113.1
  },
  "luminance": 0.12878
}

Semantic roles & 50–950 ramp

primary

#646918

secondary

#443E9F

accent

#42E64C

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646918

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

Preview Lab → · Contrast checker → · Palette generator →