#647B20#647B20

#647B20 is a mid, moderate yellow-green. Relative luminance 0.170; OKLCH L 54.6% C 0.118 H 122.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#647B20
RGB	rgb(100, 123, 32)
HSL	hsl(75, 59%, 30%)
HSV	hsv(75, 74%, 48%)
CMYK	cmyk(18.7%, 0%, 74%, 51.8%)
CIE-LAB	lab(48.23, -21.93, 44.37)
CIE-LCH	lch(48.23, 49.50, 116.30°)
OKLab	oklab(54.63% -0.064 0.0992)
OKLCH	oklch(54.63% 0.118 122.8)
XYZ	xyz(12.5994, 16.9795, 3.9798)
Luminance	0.1698 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B20 #37207B

analogous

#7B6420 #647B20 #367B20

triadic

#647B20 #20647B #7B2064

tetradic

#647B20 #207B64 #37207B #7B2036

square

#647B20 #207B64 #37207B #7B2036

split-complementary

#647B20 #20367B #64207B

monochromatic

#151A07 #3D4A13 #647B20 #8BAC2D #ACCF46

Accessibility & contrast

On white

4.78

#647B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#647B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B20

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B20	#FFFFFF	#000000	##FFFFFF
##647B20	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827310

Deuteranopia (green-blind)

#7F7228

Tritanopia (blue-blind)

#697569

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #647b20;
/* rgb */ color: rgb(100, 123, 32);
/* oklch */ color: oklch(54.6% 0.118 122.8);

Tailwind

colors: {
  custom: {
    50: '#93a162',
    500: '#647b20',
    950: '#000000',
  },
}

SCSS

$custom: #647b20;
$custom-light: #93a162;
$custom-dark: #000000;

JSON

{
  "hex": "#647b20",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 32
  },
  "hsl": {
    "h": 75.165,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.54626,
    "c": 0.11804,
    "h": 122.8
  },
  "luminance": 0.1698
}

Semantic roles & 50–950 ramp

primary

#647B20

secondary

#6249AE

accent

#46E26D

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0F05

muted

#7E7E7A

Preview Lab

Preview with #647B20

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

Preview Lab → · Contrast checker → · Palette generator →