#646618#646618

#646618 is a mid, moderate yellow. Relative luminance 0.123; OKLCH L 49.3% C 0.097 H 111.0°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#646618
RGB	rgb(100, 102, 24)
HSL	hsl(62, 62%, 25%)
HSV	hsv(62, 76%, 40%)
CMYK	cmyk(2%, 0%, 76.5%, 60%)
CIE-LAB	lab(41.66, -11.12, 41.10)
CIE-LCH	lch(41.66, 42.58, 105.15°)
OKLab	oklab(49.32% -0.0348 0.0908)
OKLCH	oklch(49.32% 0.097 111)
XYZ	xyz(10.1721, 12.2783, 2.6981)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646618 #1A1866

analogous

#664118 #646618 #3D6618

triadic

#646618 #186466 #661864

tetradic

#646618 #186641 #1A1866 #66183D

square

#646618 #186641 #1A1866 #66183D

split-complementary

#646618 #183D66 #411866

monochromatic

#181906 #33340C #646618 #959824 #C5C92F

Accessibility & contrast

On white

6.08

#646618 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#646618 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646618

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646618	#FFFFFF	#000000	##FFFFFF
##646618	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E6109

Deuteranopia (green-blind)

#6F631E

Tritanopia (blue-blind)

#6B5F57

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #646618;
/* rgb */ color: rgb(100, 102, 24);
/* oklch */ color: oklch(49.3% 0.097 111.0);

Tailwind

colors: {
  custom: {
    50: '#93915b',
    500: '#646618',
    950: '#000000',
  },
}

SCSS

$custom: #646618;
$custom-light: #93915b;
$custom-dark: #000000;

JSON

{
  "hex": "#646618",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 24
  },
  "hsl": {
    "h": 61.538,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.49321,
    "c": 0.09728,
    "h": 111
  },
  "luminance": 0.12278
}

Semantic roles & 50–950 ramp

primary

#646618

secondary

#403E9C

accent

#43E547

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0C04

muted

#7E7D79

Preview Lab

Preview with #646618

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

Preview Lab → · Contrast checker → · Palette generator →