#647C6E#647C6E

#647C6E is a mid, muted green. Relative luminance 0.182; OKLCH L 56.3% C 0.035 H 159.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#647C6E
RGB	rgb(100, 124, 110)
HSL	hsl(145, 11%, 44%)
HSV	hsv(145, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 11.3%, 51.4%)
CIE-LAB	lab(49.80, -11.76, 4.77)
CIE-LCH	lch(49.80, 12.69, 157.90°)
OKLab	oklab(56.29% -0.033 0.0124)
OKLCH	oklch(56.29% 0.035 159.4)
XYZ	xyz(15.2769, 18.2500, 17.4665)
Luminance	0.1825 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C6E #7C6472

analogous

#667C64 #647C6E #647C7A

triadic

#647C6E #6E647C #7C6E64

tetradic

#647C6E #64667C #7C6472 #7C7A64

square

#647C6E #64667C #7C6472 #7C7A64

split-complementary

#647C6E #7A647C #7C6466

monochromatic

#2D3832 #495A50 #647C6E #839B8D #A4B6AC

Accessibility & contrast

On white

4.52

#647C6E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#647C6E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C6E

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C6E	#FFFFFF	#000000	##000000
##647C6E	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B786D

Deuteranopia (green-blind)

#77756F

Tritanopia (blue-blind)

#607C78

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647c6e;
/* rgb */ color: rgb(100, 124, 110);
/* oklch */ color: oklch(56.3% 0.035 159.4);

Tailwind

colors: {
  custom: {
    50: '#90a297',
    500: '#647c6e',
    950: '#000000',
  },
}

SCSS

$custom: #647c6e;
$custom-light: #90a297;
$custom-dark: #000000;

JSON

{
  "hex": "#647c6e",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 110
  },
  "hsl": {
    "h": 145,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56292,
    "c": 0.03526,
    "h": 159.4
  },
  "luminance": 0.1825
}

Semantic roles & 50–950 ramp

primary

#647C6E

secondary

#A5979F

accent

#7499B4

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0F0D

muted

#7D7E7E

Preview Lab

Preview with #647C6E

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

Preview Lab → · Contrast checker → · Palette generator →