#646D43#646D43

#646D43 is a mid, moderate yellow-green. Relative luminance 0.141; OKLCH L 51.6% C 0.063 H 118.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#646D43
RGB	rgb(100, 109, 67)
HSL	hsl(73, 24%, 35%)
HSV	hsv(73, 39%, 43%)
CMYK	cmyk(8.3%, 0%, 38.5%, 57.3%)
CIE-LAB	lab(44.31, -10.96, 22.35)
CIE-LCH	lch(44.31, 24.89, 116.12°)
OKLab	oklab(51.6% -0.0299 0.055)
OKLCH	oklch(51.6% 0.063 118.5)
XYZ	xyz(11.7373, 14.0519, 7.4031)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D43 #4C436D

analogous

#6D6143 #646D43 #4F6D43

triadic

#646D43 #43646D #6D4364

tetradic

#646D43 #436D61 #4C436D #6D434F

square

#646D43 #436D61 #4C436D #6D434F

split-complementary

#646D43 #434F6D #61436D

monochromatic

#1E2114 #41472C #646D43 #87935A #A4AE7C

Accessibility & contrast

On white

5.51

#646D43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#646D43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D43

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D43	#FFFFFF	#000000	##FFFFFF
##646D43	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726940

Deuteranopia (green-blind)

#716945

Tritanopia (blue-blind)

#686962

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646d43;
/* rgb */ color: rgb(100, 109, 67);
/* oklch */ color: oklch(51.6% 0.063 118.5);

Tailwind

colors: {
  custom: {
    50: '#919677',
    500: '#646d43',
    950: '#000000',
  },
}

SCSS

$custom: #646d43;
$custom-light: #919677;
$custom-dark: #000000;

JSON

{
  "hex": "#646d43",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 67
  },
  "hsl": {
    "h": 72.857,
    "s": 23.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.51603,
    "c": 0.06262,
    "h": 118.5
  },
  "luminance": 0.14052
}

Semantic roles & 50–950 ramp

primary

#646D43

secondary

#7A729A

accent

#67C07B

background

#F8F9F7

surface

#F0F2ED

border

#CBCCC8

text

#0D0D09

muted

#7D7E7B

Preview Lab

Preview with #646D43

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

Preview Lab → · Contrast checker → · Palette generator →