#647C27#647C27

#647C27 is a mid, moderate yellow-green. Relative luminance 0.173; OKLCH L 54.9% C 0.114 H 123.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#647C27
RGBrgb(100, 124, 39)
HSLhsl(77, 52%, 32%)
HSVhsv(77, 69%, 49%)
CMYKcmyk(19.4%, 0%, 68.5%, 51.4%)
CIE-LABlab(48.60, -21.96, 41.84)
CIE-LCHlch(48.60, 47.25, 117.70°)
OKLaboklab(54.94% -0.0634 0.095)
OKLCHoklch(54.94% 0.114 123.7)
XYZxyz(12.8295, 17.2710, 4.5768)
Luminance0.1727 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647C27 #3F277C
analogous
#7C6A27 #647C27 #3A7C27
triadic
#647C27 #27647C #7C2764
tetradic
#647C27 #277C6A #3F277C #7C273A
square
#647C27 #277C6A #3F277C #7C273A
split-complementary
#647C27 #273A7C #6A277C
monochromatic
#191F0A #3E4D18 #647C27 #8AAB36 #A8C954

Accessibility & contrast

On white

4.71
#647C27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.45
#647C27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647C27
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647C27#FFFFFF#000000##FFFFFF
##647C271.004.714.454.71
#FFFFFF4.711.0021.001.00
#0000004.4521.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

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

Design tokens & code

CSS
--color: #647c27;
/* rgb */ color: rgb(100, 124, 39);
/* oklch */ color: oklch(54.9% 0.114 123.7);
Tailwind
colors: {
  custom: {
    50: '#93a266',
    500: '#647c27',
    950: '#000000',
  },
}
SCSS
$custom: #647c27;
$custom-light: #93a266;
$custom-dark: #000000;
JSON
{
  "hex": "#647c27",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 39
  },
  "hsl": {
    "h": 76.941,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.54939,
    "c": 0.1142,
    "h": 123.7
  },
  "luminance": 0.17271
}

Semantic roles & 50–950 ramp

primary
#647C27
secondary
#6B51AE
accent
#4CDC75
background
#F9F9F6
surface
#F2F2EB
border
#CCCCC6
text
#0D0F06
muted
#7E7E7A

Preview Lab

Preview with #647C27

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

Preview Lab → · Contrast checker → · Palette generator →

#647C27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva