#647F2B#647F2B

#647F2B is a mid, moderate yellow-green. Relative luminance 0.181; OKLCH L 55.7% C 0.115 H 125.2°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX#647F2B
RGBrgb(100, 127, 43)
HSLhsl(79, 49%, 33%)
HSVhsv(79, 66%, 50%)
CMYKcmyk(21.3%, 0%, 66.1%, 50.2%)
CIE-LABlab(49.57, -23.18, 41.09)
CIE-LCHlch(49.57, 47.18, 119.42°)
OKLaboklab(55.74% -0.0663 0.094)
OKLCHoklch(55.74% 0.115 125.2)
XYZxyz(13.2810, 18.0623, 5.0717)
Luminance0.1806 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647F2B #462B7F
analogous
#7F702B #647F2B #3A7F2B
triadic
#647F2B #2B647F #7F2B64
tetradic
#647F2B #2B7F70 #462B7F #7F2B3A
square
#647F2B #2B7F70 #462B7F #7F2B3A
split-complementary
#647F2B #2B3A7F #702B7F
monochromatic
#1C240C #40511C #647F2B #88AD3A #A5C85C

Accessibility & contrast

On white

4.55
#647F2B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.61
#647F2B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F2B
4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647F2B#FFFFFF#000000##000000
##647F2B1.004.554.614.61
#FFFFFF4.551.0021.0021.00
#0000004.6121.001.001.00
##0000004.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#867720
Deuteranopia (green-blind)
#827631
Tritanopia (blue-blind)
#68796E
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #647f2b;
/* rgb */ color: rgb(100, 127, 43);
/* oklch */ color: oklch(55.7% 0.115 125.2);
Tailwind
colors: {
  custom: {
    50: '#93a469',
    500: '#647f2b',
    950: '#000000',
  },
}
SCSS
$custom: #647f2b;
$custom-light: #93a469;
$custom-dark: #000000;
JSON
{
  "hex": "#647f2b",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 43
  },
  "hsl": {
    "h": 79.286,
    "s": 49.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.55735,
    "c": 0.11507,
    "h": 125.2
  },
  "luminance": 0.18062
}

Semantic roles & 50–950 ramp

primary
#647F2B
secondary
#7458AE
accent
#4FD97B
background
#F9FAF6
surface
#F1F4EB
border
#CBCEC6
text
#0D0F06
muted
#7E7F7A

Preview Lab

Preview with #647F2B

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

Preview Lab → · Contrast checker → · Palette generator →

#647F2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva