#646819#646819

#646819 is a mid, moderate yellow. Relative luminance 0.127; OKLCH L 49.8% C 0.099 H 112.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#646819
RGB	rgb(100, 104, 25)
HSL	hsl(63, 61%, 25%)
HSV	hsv(63, 76%, 41%)
CMYK	cmyk(3.8%, 0%, 76%, 59.2%)
CIE-LAB	lab(42.28, -12.19, 41.30)
CIE-LCH	lch(42.28, 43.06, 106.44°)
OKLab	oklab(49.82% -0.0377 0.0915)
OKLCH	oklch(49.82% 0.099 112.4)
XYZ	xyz(10.3816, 12.6804, 2.8202)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646819 #1D1968

analogous

#684419 #646819 #3C6819

triadic

#646819 #196468 #681964

tetradic

#646819 #196844 #1D1968 #68193C

square

#646819 #196844 #1D1968 #68193C

split-complementary

#646819 #193C68 #441968

monochromatic

#181906 #35370D #646819 #939925 #C3CB31

Accessibility & contrast

On white

5.94

#646819 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#646819 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646819

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646819	#FFFFFF	#000000	##FFFFFF
##646819	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70630A

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#6B6159

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #646819;
/* rgb */ color: rgb(100, 104, 25);
/* oklch */ color: oklch(49.8% 0.099 112.4);

Tailwind

colors: {
  custom: {
    50: '#93935c',
    500: '#646819',
    950: '#000000',
  },
}

SCSS

$custom: #646819;
$custom-light: #93935c;
$custom-dark: #000000;

JSON

{
  "hex": "#646819",
  "rgb": {
    "r": 100,
    "g": 104,
    "b": 25
  },
  "hsl": {
    "h": 63.038,
    "s": 61.24,
    "l": 25.294
  },
  "oklch": {
    "l": 0.49821,
    "c": 0.09893,
    "h": 112.4
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#646819

secondary

#443F9E

accent

#43E44C

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #646819

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

Preview Lab → · Contrast checker → · Palette generator →