#647C6C#647C6C

#647C6C is a mid, muted green. Relative luminance 0.182; OKLCH L 56.2% C 0.037 H 155.8°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#647C6C
RGB	rgb(100, 124, 108)
HSL	hsl(140, 11%, 44%)
HSV	hsv(140, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 12.9%, 51.4%)
CIE-LAB	lab(49.75, -12.17, 5.87)
CIE-LCH	lch(49.75, 13.52, 154.24°)
OKLab	oklab(56.23% -0.0339 0.0152)
OKLCH	oklch(56.23% 0.037 155.8)
XYZ	xyz(15.1693, 18.2069, 16.8995)
Luminance	0.1821 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C6C #7C6474

analogous

#687C64 #647C6C #647C78

triadic

#647C6C #6C647C #7C6C64

tetradic

#647C6C #64687C #7C6474 #7C7864

square

#647C6C #64687C #7C6474 #7C7864

split-complementary

#647C6C #78647C #7C6468

monochromatic

#2D3831 #495A4E #647C6C #839B8B #A4B6AA

Accessibility & contrast

On white

4.52

#647C6C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#647C6C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C6C

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C6C	#FFFFFF	#000000	##000000
##647C6C	1.00	4.52	4.64	4.64
#FFFFFF	4.52	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)

#7C786B

Deuteranopia (green-blind)

#77756D

Tritanopia (blue-blind)

#607B77

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647c6c;
/* rgb */ color: rgb(100, 124, 108);
/* oklch */ color: oklch(56.2% 0.037 155.8);

Tailwind

colors: {
  custom: {
    50: '#90a296',
    500: '#647c6c',
    950: '#000000',
  },
}

SCSS

$custom: #647c6c;
$custom-light: #90a296;
$custom-dark: #000000;

JSON

{
  "hex": "#647c6c",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 108
  },
  "hsl": {
    "h": 140,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56233,
    "c": 0.03721,
    "h": 155.8
  },
  "luminance": 0.18207
}

Semantic roles & 50–950 ramp

primary

#647C6C

secondary

#A597A0

accent

#749EB4

background

#F8F9F9

surface

#F0F2F1

border

#CBCCCB

text

#0C0F0D

muted

#7D7E7E

Preview Lab

Preview with #647C6C

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

Preview Lab → · Contrast checker → · Palette generator →