#647C6A#647C6A

#647C6A is a mid, muted green. Relative luminance 0.182; OKLCH L 56.2% C 0.039 H 152.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#647C6A
RGB	rgb(100, 124, 106)
HSL	hsl(135, 11%, 44%)
HSV	hsv(135, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 14.5%, 51.4%)
CIE-LAB	lab(49.70, -12.58, 6.97)
CIE-LCH	lch(49.70, 14.39, 151.01°)
OKLab	oklab(56.18% -0.0349 0.0181)
OKLCH	oklch(56.18% 0.039 152.6)
XYZ	xyz(15.0640, 18.1648, 16.3454)
Luminance	0.1817 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C6A #7C6476

analogous

#6A7C64 #647C6A #647C76

triadic

#647C6A #6A647C #7C6A64

tetradic

#647C6A #646A7C #7C6476 #7C7664

square

#647C6A #646A7C #7C6476 #7C7664

split-complementary

#647C6A #76647C #7C646A

monochromatic

#2D3830 #495A4D #647C6A #839B89 #A4B6A9

Accessibility & contrast

On white

4.53

#647C6A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#647C6A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C6A

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C6A	#FFFFFF	#000000	##000000
##647C6A	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7869

Deuteranopia (green-blind)

#78756B

Tritanopia (blue-blind)

#617B77

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647c6a;
/* rgb */ color: rgb(100, 124, 106);
/* oklch */ color: oklch(56.2% 0.039 152.6);

Tailwind

colors: {
  custom: {
    50: '#90a294',
    500: '#647c6a',
    950: '#000000',
  },
}

SCSS

$custom: #647c6a;
$custom-light: #90a294;
$custom-dark: #000000;

JSON

{
  "hex": "#647c6a",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 106
  },
  "hsl": {
    "h": 135,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56176,
    "c": 0.03927,
    "h": 152.6
  },
  "luminance": 0.18165
}

Semantic roles & 50–950 ramp

primary

#647C6A

secondary

#A597A2

accent

#74A4B4

background

#F8F9F9

surface

#F0F2F1

border

#CBCCCB

text

#0C0F0D

muted

#7D7E7E

Preview Lab

Preview with #647C6A

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

Preview Lab → · Contrast checker → · Palette generator →