#647E4E#647E4E

#647E4E is a mid, moderate yellow-green. Relative luminance 0.182; OKLCH L 56.0% C 0.077 H 131.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#647E4E
RGB	rgb(100, 126, 78)
HSL	hsl(93, 24%, 40%)
HSV	hsv(93, 38%, 49%)
CMYK	cmyk(20.6%, 0%, 38.1%, 50.6%)
CIE-LAB	lab(49.71, -18.62, 23.15)
CIE-LCH	lch(49.71, 29.71, 128.82°)
OKLab	oklab(56% -0.0509 0.0573)
OKLCH	oklch(56% 0.077 131.6)
XYZ	xyz(14.0913, 18.1808, 9.9731)
Luminance	0.1818 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647E4E #684E7E

analogous

#7C7E4E #647E4E #4E7E50

triadic

#647E4E #4E647E #7E4E64

tetradic

#647E4E #4E7C7E #684E7E #7E504E

square

#647E4E #4E7C7E #684E7E #7E504E

split-complementary

#647E4E #504E7E #7E4E7C

monochromatic

#28321F #465837 #647E4E #82A168 #A1B98E

Accessibility & contrast

On white

4.53

#647E4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#647E4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647E4E

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647E4E	#FFFFFF	#000000	##000000
##647E4E	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82784B

Deuteranopia (green-blind)

#7E7651

Tritanopia (blue-blind)

#657A72

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647e4e;
/* rgb */ color: rgb(100, 126, 78);
/* oklch */ color: oklch(56.0% 0.077 131.6);

Tailwind

colors: {
  custom: {
    50: '#91a380',
    500: '#647e4e',
    950: '#000000',
  },
}

SCSS

$custom: #647e4e;
$custom-light: #91a380;
$custom-dark: #000000;

JSON

{
  "hex": "#647e4e",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 78
  },
  "hsl": {
    "h": 92.5,
    "s": 23.529,
    "l": 40
  },
  "oklch": {
    "l": 0.55997,
    "c": 0.07664,
    "h": 131.6
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#647E4E

secondary

#9582A6

accent

#68C098

background

#F8FAF7

surface

#F0F3EE

border

#CBCDC9

text

#0D0F0A

muted

#7D7F7C

Preview Lab

Preview with #647E4E

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

Preview Lab → · Contrast checker → · Palette generator →