#647C4A#647C4A

#647C4A is a mid, moderate yellow-green. Relative luminance 0.176; OKLCH L 55.4% C 0.078 H 129.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#647C4A
RGBrgb(100, 124, 74)
HSLhsl(89, 25%, 39%)
HSVhsv(89, 40%, 49%)
CMYKcmyk(19.4%, 0%, 40.3%, 51.4%)
CIE-LABlab(49.03, -18.15, 24.50)
CIE-LCHlch(49.03, 30.49, 126.54°)
OKLaboklab(55.43% -0.0497 0.0603)
OKLCHoklch(55.43% 0.078 129.5)
XYZxyz(13.6990, 17.6188, 9.1563)
Luminance0.1762 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647C4A #624A7C
analogous
#7C7B4A #647C4A #4B7C4A
triadic
#647C4A #4A647C #7C4A64
tetradic
#647C4A #4A7C7B #624A7C #7C4A4B
square
#647C4A #4A7C7B #624A7C #7C4A4B
split-complementary
#647C4A #4A4B7C #7B4A7C
monochromatic
#262F1C #455633 #647C4A #83A162 #A1B888

Accessibility & contrast

On white

4.64
#647C4A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.52
#647C4A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647C4A
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647C4A#FFFFFF#000000##FFFFFF
##647C4A1.004.644.524.64
#FFFFFF4.641.0021.001.00
#0000004.5221.001.0021.00
##FFFFFF4.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#807646
Deuteranopia (green-blind)
#7D744D
Tritanopia (blue-blind)
#667870
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #647c4a;
/* rgb */ color: rgb(100, 124, 74);
/* oklch */ color: oklch(55.4% 0.078 129.5);
Tailwind
colors: {
  custom: {
    50: '#91a27d',
    500: '#647c4a',
    950: '#000000',
  },
}
SCSS
$custom: #647c4a;
$custom-light: #91a27d;
$custom-dark: #000000;
JSON
{
  "hex": "#647c4a",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 74
  },
  "hsl": {
    "h": 88.8,
    "s": 25.253,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55425,
    "c": 0.07817,
    "h": 129.5
  },
  "luminance": 0.17619
}

Semantic roles & 50–950 ramp

primary
#647C4A
secondary
#907DA4
accent
#66C292
background
#F8F9F7
surface
#F0F2EE
border
#CBCCC9
text
#0D0F09
muted
#7D7E7B

Preview Lab

Preview with #647C4A

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

Preview Lab → · Contrast checker → · Palette generator →

#647C4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva