#646E33#646E33

#646E33 is a mid, moderate yellow-green. Relative luminance 0.141; OKLCH L 51.6% C 0.083 H 117.4°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#646E33
RGB	rgb(100, 110, 51)
HSL	hsl(70, 37%, 32%)
HSV	hsv(70, 54%, 43%)
CMYK	cmyk(9.1%, 0%, 53.6%, 56.9%)
CIE-LAB	lab(44.38, -13.45, 31.30)
CIE-LCH	lch(44.38, 34.07, 113.26°)
OKLab	oklab(51.58% -0.0383 0.074)
OKLCH	oklch(51.58% 0.083 117.4)
XYZ	xyz(11.4291, 14.1003, 5.2509)
Luminance	0.1410 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E33 #3D336E

analogous

#6E5B33 #646E33 #476E33

triadic

#646E33 #33646E #6E3364

tetradic

#646E33 #336E5B #3D336E #6E3347

square

#646E33 #336E5B #3D336E #6E3347

split-complementary

#646E33 #33476E #5B336E

monochromatic

#181A0C #3E4420 #646E33 #8A9846 #A9B764

Accessibility & contrast

On white

5.50

#646E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#646E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E33

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E33	#FFFFFF	#000000	##FFFFFF
##646E33	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75692E

Deuteranopia (green-blind)

#746936

Tritanopia (blue-blind)

#696961

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e33;
/* rgb */ color: rgb(100, 110, 51);
/* oklch */ color: oklch(51.6% 0.083 117.4);

Tailwind

colors: {
  custom: {
    50: '#91976c',
    500: '#646e33',
    950: '#000000',
  },
}

SCSS

$custom: #646e33;
$custom-light: #91976c;
$custom-dark: #000000;

JSON

{
  "hex": "#646e33",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 51
  },
  "hsl": {
    "h": 70.169,
    "s": 36.646,
    "l": 31.569
  },
  "oklch": {
    "l": 0.51582,
    "c": 0.08336,
    "h": 117.4
  },
  "luminance": 0.141
}

Semantic roles & 50–950 ramp

primary

#646E33

secondary

#695E9F

accent

#5BCD6E

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D07

muted

#7E7E7A

Preview Lab

Preview with #646E33

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

Preview Lab → · Contrast checker → · Palette generator →