#647F22#647F22

#647F22 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.7% C 0.122 H 124.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#647F22
RGB	rgb(100, 127, 34)
HSL	hsl(77, 58%, 32%)
HSV	hsv(77, 73%, 50%)
CMYK	cmyk(21.3%, 0%, 73.2%, 50.2%)
CIE-LAB	lab(49.50, -23.83, 44.84)
CIE-LCH	lch(49.50, 50.78, 117.99°)
OKLab	oklab(55.65% -0.069 0.1005)
OKLCH	oklch(55.65% 0.122 124.5)
XYZ	xyz(13.1337, 18.0034, 4.2961)
Luminance	0.1800 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F22 #3D227F

analogous

#7F6C22 #647F22 #367F22

triadic

#647F22 #22647F #7F2264

tetradic

#647F22 #227F6C #3D227F #7F2236

square

#647F22 #227F6C #3D227F #7F2236

split-complementary

#647F22 #22367F #6C227F

monochromatic

#181E08 #3E4F15 #647F22 #8AAF2F #A9CF4C

Accessibility & contrast

On white

4.56

#647F22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#647F22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F22

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F22	#FFFFFF	#000000	##000000
##647F22	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#867712

Deuteranopia (green-blind)

#83752A

Tritanopia (blue-blind)

#69796D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647f22;
/* rgb */ color: rgb(100, 127, 34);
/* oklch */ color: oklch(55.7% 0.122 124.5);

Tailwind

colors: {
  custom: {
    50: '#93a464',
    500: '#647f22',
    950: '#000000',
  },
}

SCSS

$custom: #647f22;
$custom-light: #93a464;
$custom-dark: #000000;

JSON

{
  "hex": "#647f22",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 34
  },
  "hsl": {
    "h": 77.419,
    "s": 57.764,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55654,
    "c": 0.12193,
    "h": 124.5
  },
  "luminance": 0.18004
}

Semantic roles & 50–950 ramp

primary

#647F22

secondary

#694BB2

accent

#47E174

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0D0F06

muted

#7E7F7A

Preview Lab

Preview with #647F22

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

Preview Lab → · Contrast checker → · Palette generator →