#647B22#647B22

#647B22 is a mid, moderate yellow-green. Relative luminance 0.170; OKLCH L 54.6% C 0.117 H 122.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#647B22
RGB	rgb(100, 123, 34)
HSL	hsl(76, 57%, 31%)
HSV	hsv(76, 72%, 48%)
CMYK	cmyk(18.7%, 0%, 72.4%, 51.8%)
CIE-LAB	lab(48.25, -21.80, 43.59)
CIE-LCH	lch(48.25, 48.74, 116.57°)
OKLab	oklab(54.64% -0.0634 0.0979)
OKLCH	oklch(54.64% 0.117 122.9)
XYZ	xyz(12.6274, 16.9907, 4.1273)
Luminance	0.1699 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B22 #39227B

analogous

#7B6522 #647B22 #377B22

triadic

#647B22 #22647B #7B2264

tetradic

#647B22 #227B65 #39227B #7B2237

square

#647B22 #227B65 #39227B #7B2237

split-complementary

#647B22 #22377B #65227B

monochromatic

#161B07 #3D4B15 #647B22 #8BAB2F #ABCD4A

Accessibility & contrast

On white

4.77

#647B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#647B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B22

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B22	#FFFFFF	#000000	##FFFFFF
##647B22	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827314

Deuteranopia (green-blind)

#7F7229

Tritanopia (blue-blind)

#697569

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647b22;
/* rgb */ color: rgb(100, 123, 34);
/* oklch */ color: oklch(54.6% 0.117 122.9);

Tailwind

colors: {
  custom: {
    50: '#93a163',
    500: '#647b22',
    950: '#000000',
  },
}

SCSS

$custom: #647b22;
$custom-light: #93a163;
$custom-dark: #000000;

JSON

{
  "hex": "#647b22",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 34
  },
  "hsl": {
    "h": 75.506,
    "s": 56.688,
    "l": 30.784
  },
  "oklch": {
    "l": 0.54642,
    "c": 0.11664,
    "h": 122.9
  },
  "luminance": 0.16991
}

Semantic roles & 50–950 ramp

primary

#647B22

secondary

#654BAE

accent

#48E06F

background

#F9F9F6

surface

#F2F2EB

border

#CCCCC6

text

#0D0F06

muted

#7E7E7A

Preview Lab

Preview with #647B22

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

Preview Lab → · Contrast checker → · Palette generator →