#646F20#646F20

#646F20 is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.6% C 0.102 H 117.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#646F20
RGB	rgb(100, 111, 32)
HSL	hsl(68, 55%, 28%)
HSV	hsv(68, 71%, 44%)
CMYK	cmyk(9.9%, 0%, 71.2%, 56.5%)
CIE-LAB	lab(44.49, -15.61, 40.63)
CIE-LCH	lch(44.49, 43.52, 111.02°)
OKLab	oklab(51.61% -0.0465 0.0913)
OKLCH	oklch(51.61% 0.102 117)
XYZ	xyz(11.2009, 14.1826, 3.5137)
Luminance	0.1418 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F20 #2B206F

analogous

#6F5220 #646F20 #3D6F20

triadic

#646F20 #20646F #6F2064

tetradic

#646F20 #206F52 #2B206F #6F203D

square

#646F20 #206F52 #2B206F #6F203D

split-complementary

#646F20 #203D6F #52206F

monochromatic

#151807 #393F12 #646F20 #8F9F2E #B5C841

Accessibility & contrast

On white

5.47

#646F20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#646F20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F20

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F20	#FFFFFF	#000000	##FFFFFF
##646F20	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776914

Deuteranopia (green-blind)

#766A26

Tritanopia (blue-blind)

#6A695F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f20;
/* rgb */ color: rgb(100, 111, 32);
/* oklch */ color: oklch(51.6% 0.102 117.0);

Tailwind

colors: {
  custom: {
    50: '#939861',
    500: '#646f20',
    950: '#000000',
  },
}

SCSS

$custom: #646f20;
$custom-light: #939861;
$custom-dark: #000000;

JSON

{
  "hex": "#646f20",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 32
  },
  "hsl": {
    "h": 68.354,
    "s": 55.245,
    "l": 28.039
  },
  "oklch": {
    "l": 0.51614,
    "c": 0.10247,
    "h": 117
  },
  "luminance": 0.14182
}

Semantic roles & 50–950 ramp

primary

#646F20

secondary

#5548A3

accent

#49DF5E

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #646F20

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

Preview Lab → · Contrast checker → · Palette generator →