#647B38#647B38

#647B38 is a mid, moderate yellow-green. Relative luminance 0.172; OKLCH L 54.9% C 0.097 H 125.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#647B38
RGB	rgb(100, 123, 56)
HSL	hsl(81, 37%, 35%)
HSV	hsv(81, 54%, 48%)
CMYK	cmyk(18.7%, 0%, 54.5%, 51.8%)
CIE-LAB	lab(48.46, -19.89, 33.52)
CIE-LCH	lch(48.46, 38.98, 120.69°)
OKLab	oklab(54.88% -0.0559 0.0793)
OKLCH	oklch(54.88% 0.097 125.2)
XYZ	xyz(13.0523, 17.1607, 6.3653)
Luminance	0.1716 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B38 #4F387B

analogous

#7B7038 #647B38 #437B38

triadic

#647B38 #38647B #7B3864

tetradic

#647B38 #387B70 #4F387B #7B3843

square

#647B38 #387B70 #4F387B #7B3843

split-complementary

#647B38 #38437B #70387B

monochromatic

#202712 #425125 #647B38 #86A54B #A3BE70

Accessibility & contrast

On white

4.74

#647B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#647B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B38

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B38	#FFFFFF	#000000	##FFFFFF
##647B38	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817432

Deuteranopia (green-blind)

#7E733C

Tritanopia (blue-blind)

#68766C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647b38;
/* rgb */ color: rgb(100, 123, 56);
/* oklch */ color: oklch(54.9% 0.097 125.2);

Tailwind

colors: {
  custom: {
    50: '#92a171',
    500: '#647b38',
    950: '#000000',
  },
}

SCSS

$custom: #647b38;
$custom-light: #92a171;
$custom-dark: #000000;

JSON

{
  "hex": "#647b38",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 56
  },
  "hsl": {
    "h": 80.597,
    "s": 37.43,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54883,
    "c": 0.09706,
    "h": 125.2
  },
  "luminance": 0.17161
}

Semantic roles & 50–950 ramp

primary

#647B38

secondary

#7E68A7

accent

#5ACD82

background

#F9F9F6

surface

#F1F2EC

border

#CBCCC7

text

#0D0F08

muted

#7E7E7B

Preview Lab

Preview with #647B38

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

Preview Lab → · Contrast checker → · Palette generator →