#647C5C#647C5C

#647C5C is a mid, muted green. Relative luminance 0.179; OKLCH L 55.8% C 0.056 H 138.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#647C5C
RGB	rgb(100, 124, 92)
HSL	hsl(105, 15%, 42%)
HSV	hsv(105, 26%, 49%)
CMYK	cmyk(19.4%, 0%, 25.8%, 51.4%)
CIE-LAB	lab(49.37, -15.26, 14.69)
CIE-LCH	lch(49.37, 21.18, 136.09°)
OKLab	oklab(55.81% -0.0414 0.0374)
OKLCH	oklch(55.81% 0.056 138)
XYZ	xyz(14.3945, 17.8970, 12.8192)
Luminance	0.1790 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C5C #745C7C

analogous

#747C5C #647C5C #5C7C64

triadic

#647C5C #5C647C #7C5C64

tetradic

#647C5C #5C747C #745C7C #7C645C

square

#647C5C #5C747C #745C7C #7C645C

split-complementary

#647C5C #645C7C #7C5C74

monochromatic

#2B3628 #485942 #647C5C #829C79 #A3B69C

Accessibility & contrast

On white

4.59

#647C5C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#647C5C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647C5C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C5C	#FFFFFF	#000000	##FFFFFF
##647C5C	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E775A

Deuteranopia (green-blind)

#7A755E

Tritanopia (blue-blind)

#637A73

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #647c5c;
/* rgb */ color: rgb(100, 124, 92);
/* oklch */ color: oklch(55.8% 0.056 138.0);

Tailwind

colors: {
  custom: {
    50: '#90a28a',
    500: '#647c5c',
    950: '#000000',
  },
}

SCSS

$custom: #647c5c;
$custom-light: #90a28a;
$custom-dark: #000000;

JSON

{
  "hex": "#647c5c",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 92
  },
  "hsl": {
    "h": 105,
    "s": 14.815,
    "l": 42.353
  },
  "oklch": {
    "l": 0.5581,
    "c": 0.05577,
    "h": 138
  },
  "luminance": 0.17897
}

Semantic roles & 50–950 ramp

primary

#647C5C

secondary

#9F8FA4

accent

#70B8A6

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0C0F0B

muted

#7D7E7C

Preview Lab

Preview with #647C5C

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

Preview Lab → · Contrast checker → · Palette generator →