#647C39#647C39

#647C39 is a mid, moderate yellow-green. Relative luminance 0.174; OKLCH L 55.1% C 0.098 H 125.8°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#647C39
RGBrgb(100, 124, 57)
HSLhsl(81, 37%, 35%)
HSVhsv(81, 54%, 49%)
CMYKcmyk(19.4%, 0%, 54%, 51.4%)
CIE-LABlab(48.78, -20.30, 33.38)
CIE-LCHlch(48.78, 39.07, 121.31°)
OKLaboklab(55.15% -0.057 0.0791)
OKLCHoklch(55.15% 0.098 125.8)
XYZxyz(13.2017, 17.4199, 6.5370)
Luminance0.1742 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647C39 #51397C
analogous
#7C7339 #647C39 #427C39
triadic
#647C39 #39647C #7C3964
tetradic
#647C39 #397C73 #51397C #7C3942
square
#647C39 #397C73 #51397C #7C3942
split-complementary
#647C39 #39427C #73397C
monochromatic
#202812 #425226 #647C39 #86A64C #A3BE71

Accessibility & contrast

On white

4.68
#647C39 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#647C39 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C39
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647C39#FFFFFF#000000##FFFFFF
##647C391.004.684.484.68
#FFFFFF4.681.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#827533
Deuteranopia (green-blind)
#7F743D
Tritanopia (blue-blind)
#68776D
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #647c39;
/* rgb */ color: rgb(100, 124, 57);
/* oklch */ color: oklch(55.1% 0.098 125.8);
Tailwind
colors: {
  custom: {
    50: '#92a271',
    500: '#647c39',
    950: '#000000',
  },
}
SCSS
$custom: #647c39;
$custom-light: #92a271;
$custom-dark: #000000;
JSON
{
  "hex": "#647c39",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 57
  },
  "hsl": {
    "h": 81.493,
    "s": 37.017,
    "l": 35.49
  },
  "oklch": {
    "l": 0.55148,
    "c": 0.09752,
    "h": 125.8
  },
  "luminance": 0.1742
}

Semantic roles & 50–950 ramp

primary
#647C39
secondary
#806AA7
accent
#5BCD84
background
#F9F9F6
surface
#F1F2EC
border
#CBCCC7
text
#0D0F08
muted
#7E7E7B

Preview Lab

Preview with #647C39

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

Preview Lab → · Contrast checker → · Palette generator →

#647C39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva