#646817#646817

#646817 is a mid, moderate yellow. Relative luminance 0.127; OKLCH L 49.8% C 0.100 H 112.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#646817
RGB	rgb(100, 104, 23)
HSL	hsl(63, 64%, 25%)
HSV	hsv(63, 78%, 41%)
CMYK	cmyk(3.8%, 0%, 77.9%, 59.2%)
CIE-LAB	lab(42.27, -12.29, 42.06)
CIE-LCH	lch(42.27, 43.82, 106.29°)
OKLab	oklab(49.81% -0.0382 0.0927)
OKLCH	oklch(49.81% 0.1 112.4)
XYZ	xyz(10.3608, 12.6721, 2.7106)
Luminance	0.1267 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646817 #1B1768

analogous

#684417 #646817 #3C6817

triadic

#646817 #176468 #681764

tetradic

#646817 #176844 #1B1768 #68173C

square

#646817 #176844 #1B1768 #68173C

split-complementary

#646817 #173C68 #441768

monochromatic

#181906 #34360C #646817 #949A22 #C4CC2D

Accessibility & contrast

On white

5.94

#646817 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#646817 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646817

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646817	#FFFFFF	#000000	##FFFFFF
##646817	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)

#706306

Deuteranopia (green-blind)

#71651E

Tritanopia (blue-blind)

#6B6159

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646817;
/* rgb */ color: rgb(100, 104, 23);
/* oklch */ color: oklch(49.8% 0.100 112.4);

Tailwind

colors: {
  custom: {
    50: '#93935b',
    500: '#646817',
    950: '#000000',
  },
}

SCSS

$custom: #646817;
$custom-light: #93935b;
$custom-dark: #000000;

JSON

{
  "hex": "#646817",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 23
  },
  "hsl": {
    "h": 62.963,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.49807,
    "c": 0.10023,
    "h": 112.4
  },
  "luminance": 0.12672
}

Semantic roles & 50–950 ramp

primary

#646817

secondary

#413D9E

accent

#41E749

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #646817

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

Preview Lab → · Contrast checker → · Palette generator →