#647B4E#647B4E

#647B4E is a mid, moderate yellow-green. Relative luminance 0.174; OKLCH L 55.3% C 0.072 H 130.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#647B4E
RGB	rgb(100, 123, 78)
HSL	hsl(91, 22%, 39%)
HSV	hsv(91, 37%, 48%)
CMYK	cmyk(18.7%, 0%, 36.6%, 51.8%)
CIE-LAB	lab(48.79, -17.03, 21.94)
CIE-LCH	lch(48.79, 27.77, 127.82°)
OKLab	oklab(55.26% -0.0464 0.0545)
OKLCH	oklch(55.26% 0.072 130.5)
XYZ	xyz(13.7134, 17.4251, 9.8471)
Luminance	0.1742 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647B4E #654E7B

analogous

#7B7B4E #647B4E #4E7B4F

triadic

#647B4E #4E647B #7B4E64

tetradic

#647B4E #4E7B7B #654E7B #7B4F4E

square

#647B4E #4E7B7B #654E7B #7B4F4E

split-complementary

#647B4E #4F4E7B #7B4E7B

monochromatic

#27301F #465636 #647B4E #829F67 #A1B78D

Accessibility & contrast

On white

4.68

#647B4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#647B4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B4E

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647B4E	#FFFFFF	#000000	##FFFFFF
##647B4E	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F754B

Deuteranopia (green-blind)

#7C7350

Tritanopia (blue-blind)

#657770

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647b4e;
/* rgb */ color: rgb(100, 123, 78);
/* oklch */ color: oklch(55.3% 0.072 130.5);

Tailwind

colors: {
  custom: {
    50: '#91a180',
    500: '#647b4e',
    950: '#000000',
  },
}

SCSS

$custom: #647b4e;
$custom-light: #91a180;
$custom-dark: #000000;

JSON

{
  "hex": "#647b4e",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 78
  },
  "hsl": {
    "h": 90.667,
    "s": 22.388,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55255,
    "c": 0.07159,
    "h": 130.5
  },
  "luminance": 0.17425
}

Semantic roles & 50–950 ramp

primary

#647B4E

secondary

#9381A3

accent

#69BF95

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0D0F0A

muted

#7D7E7C

Preview Lab

Preview with #647B4E

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

Preview Lab → · Contrast checker → · Palette generator →