#647A37#647A37

#647A37 is a mid, moderate yellow-green. Relative luminance 0.169; OKLCH L 54.6% C 0.097 H 124.6°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#647A37
RGBrgb(100, 122, 55)
HSLhsl(80, 38%, 35%)
HSVhsv(80, 55%, 48%)
CMYKcmyk(18%, 0%, 54.9%, 52.2%)
CIE-LABlab(48.14, -19.48, 33.65)
CIE-LCHlch(48.14, 38.88, 120.06°)
OKLaboklab(54.62% -0.0549 0.0795)
OKLCHoklch(54.62% 0.097 124.6)
XYZxyz(12.9047, 16.9041, 6.1967)
Luminance0.1690 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647A37 #4D377A
analogous
#7A6E37 #647A37 #437A37
triadic
#647A37 #37647A #7A3764
tetradic
#647A37 #377A6E #4D377A #7A3743
square
#647A37 #377A6E #4D377A #7A3743
split-complementary
#647A37 #37437A #6E377A
monochromatic
#1F2611 #415024 #647A37 #87A44A #A3BE6E

Accessibility & contrast

On white

4.79
#647A37 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#647A37 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A37
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647A37#FFFFFF#000000##FFFFFF
##647A371.004.794.384.79
#FFFFFF4.791.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#807331
Deuteranopia (green-blind)
#7D723B
Tritanopia (blue-blind)
#68756B
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #647a37;
/* rgb */ color: rgb(100, 122, 55);
/* oklch */ color: oklch(54.6% 0.097 124.6);
Tailwind
colors: {
  custom: {
    50: '#92a070',
    500: '#647a37',
    950: '#000000',
  },
}
SCSS
$custom: #647a37;
$custom-light: #92a070;
$custom-dark: #000000;
JSON
{
  "hex": "#647a37",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 55
  },
  "hsl": {
    "h": 79.701,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.54619,
    "c": 0.09662,
    "h": 124.6
  },
  "luminance": 0.16904
}

Semantic roles & 50–950 ramp

primary
#647A37
secondary
#7B66A6
accent
#5ACE80
background
#F9F9F6
surface
#F1F2EC
border
#CBCCC7
text
#0D0E07
muted
#7E7E7A

Preview Lab

Preview with #647A37

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

Preview Lab → · Contrast checker → · Palette generator →

#647A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva