#647A5C#647A5C

#647A5C is a mid, muted green. Relative luminance 0.174; OKLCH L 55.3% C 0.052 H 137.4°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#647A5C
RGB	rgb(100, 122, 92)
HSL	hsl(104, 14%, 42%)
HSV	hsv(104, 25%, 48%)
CMYK	cmyk(18%, 0%, 24.6%, 52.2%)
CIE-LAB	lab(48.76, -14.17, 13.84)
CIE-LCH	lch(48.76, 19.81, 135.66°)
OKLab	oklab(55.32% -0.0384 0.0353)
OKLCH	oklch(55.32% 0.052 137.4)
XYZ	xyz(14.1464, 17.4008, 12.7365)
Luminance	0.1740 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A5C #725C7A

analogous

#737A5C #647A5C #5C7A63

triadic

#647A5C #5C647A #7A5C64

tetradic

#647A5C #5C737A #725C7A #7A635C

square

#647A5C #5C737A #725C7A #7A635C

split-complementary

#647A5C #635C7A #7A5C73

monochromatic

#2B3427 #475742 #647A5C #829A79 #A3B49C

Accessibility & contrast

On white

4.69

#647A5C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#647A5C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A5C

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A5C	#FFFFFF	#000000	##FFFFFF
##647A5C	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C755A

Deuteranopia (green-blind)

#79735D

Tritanopia (blue-blind)

#637872

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #647a5c;
/* rgb */ color: rgb(100, 122, 92);
/* oklch */ color: oklch(55.3% 0.052 137.4);

Tailwind

colors: {
  custom: {
    50: '#90a08a',
    500: '#647a5c',
    950: '#000000',
  },
}

SCSS

$custom: #647a5c;
$custom-light: #90a08a;
$custom-dark: #000000;

JSON

{
  "hex": "#647a5c",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 92
  },
  "hsl": {
    "h": 104,
    "s": 14.019,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55322,
    "c": 0.05216,
    "h": 137.4
  },
  "luminance": 0.17401
}

Semantic roles & 50–950 ramp

primary

#647A5C

secondary

#9E8FA3

accent

#71B7A4

background

#F8F9F8

surface

#F0F2F0

border

#CBCCCB

text

#0C0E0B

muted

#7D7E7C

Preview Lab

Preview with #647A5C

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

Preview Lab → · Contrast checker → · Palette generator →