#647B2B#647B2B

#647B2B is a mid, moderate yellow-green. Relative luminance 0.171; OKLCH L 54.7% C 0.110 H 123.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#647B2B
RGB	rgb(100, 123, 43)
HSL	hsl(77, 48%, 33%)
HSV	hsv(77, 65%, 48%)
CMYK	cmyk(18.7%, 0%, 65%, 51.8%)
CIE-LAB	lab(48.32, -21.13, 39.75)
CIE-LCH	lch(48.32, 45.02, 118.00°)
OKLab	oklab(54.73% -0.0607 0.0912)
OKLCH	oklch(54.73% 0.11 123.6)
XYZ	xyz(12.7746, 17.0496, 4.9029)
Luminance	0.1705 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B2B #422B7B

analogous

#7B6A2B #647B2B #3C7B2B

triadic

#647B2B #2B647B #7B2B64

tetradic

#647B2B #2B7B6A #422B7B #7B2B3C

square

#647B2B #2B7B6A #422B7B #7B2B3C

split-complementary

#647B2B #2B3C7B #6A2B7B

monochromatic

#1A200B #3F4E1B #647B2B #89A83B #A7C65B

Accessibility & contrast

On white

4.76

#647B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#647B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B2B

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B2B	#FFFFFF	#000000	##FFFFFF
##647B2B	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827321

Deuteranopia (green-blind)

#7F7331

Tritanopia (blue-blind)

#69756A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647b2b;
/* rgb */ color: rgb(100, 123, 43);
/* oklch */ color: oklch(54.7% 0.110 123.6);

Tailwind

colors: {
  custom: {
    50: '#92a168',
    500: '#647b2b',
    950: '#000000',
  },
}

SCSS

$custom: #647b2b;
$custom-light: #92a168;
$custom-dark: #000000;

JSON

{
  "hex": "#647b2b",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 43
  },
  "hsl": {
    "h": 77.25,
    "s": 48.193,
    "l": 32.549
  },
  "oklch": {
    "l": 0.54726,
    "c": 0.10952,
    "h": 123.6
  },
  "luminance": 0.1705
}

Semantic roles & 50–950 ramp

primary

#647B2B

secondary

#6F56AB

accent

#50D877

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0F06

muted

#7E7E7A

Preview Lab

Preview with #647B2B

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

Preview Lab → · Contrast checker → · Palette generator →