#647C28#647C28

#647C28 is a mid, moderate yellow-green. Relative luminance 0.173; OKLCH L 54.9% C 0.113 H 123.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#647C28
RGBrgb(100, 124, 40)
HSLhsl(77, 51%, 32%)
HSVhsv(77, 68%, 49%)
CMYKcmyk(19.4%, 0%, 67.7%, 51.4%)
CIE-LABlab(48.61, -21.89, 41.41)
CIE-LCHlch(48.61, 46.84, 117.86°)
OKLaboklab(54.95% -0.0631 0.0943)
OKLCHoklch(54.95% 0.113 123.8)
XYZxyz(12.8463, 17.2777, 4.6652)
Luminance0.1728 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647C28 #40287C
analogous
#7C6A28 #647C28 #3A7C28
triadic
#647C28 #28647C #7C2864
tetradic
#647C28 #287C6A #40287C #7C283A
square
#647C28 #287C6A #40287C #7C283A
split-complementary
#647C28 #283A7C #6A287C
monochromatic
#191F0A #3F4E19 #647C28 #89AA37 #A8C856

Accessibility & contrast

On white

4.71
#647C28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#647C28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C28
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647C28#FFFFFF#000000##FFFFFF
##647C281.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#83741D
Deuteranopia (green-blind)
#80732E
Tritanopia (blue-blind)
#69766B
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #647c28;
/* rgb */ color: rgb(100, 124, 40);
/* oklch */ color: oklch(54.9% 0.113 123.8);
Tailwind
colors: {
  custom: {
    50: '#93a267',
    500: '#647c28',
    950: '#000000',
  },
}
SCSS
$custom: #647c28;
$custom-light: #93a267;
$custom-dark: #000000;
JSON
{
  "hex": "#647c28",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 40
  },
  "hsl": {
    "h": 77.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.54948,
    "c": 0.11341,
    "h": 123.8
  },
  "luminance": 0.17278
}

Semantic roles & 50–950 ramp

primary
#647C28
secondary
#6C52AD
accent
#4DDB76
background
#F9F9F6
surface
#F1F2EB
border
#CBCCC6
text
#0D0F06
muted
#7E7E7A

Preview Lab

Preview with #647C28

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

Preview Lab → · Contrast checker → · Palette generator →

#647C28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva