#647A1B#647A1B

#647A1B is a mid, moderate yellow-green. Relative luminance 0.167; OKLCH L 54.3% C 0.120 H 122.1°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#647A1B
RGBrgb(100, 122, 27)
HSLhsl(74, 64%, 29%)
HSVhsv(74, 78%, 48%)
CMYKcmyk(18%, 0%, 77.9%, 52.2%)
CIE-LABlab(47.89, -21.71, 45.92)
CIE-LCHlch(47.89, 50.79, 115.30°)
OKLaboklab(54.34% -0.0638 0.1016)
OKLCHoklch(54.34% 0.12 122.1)
XYZxyz(12.4131, 16.7075, 3.6076)
Luminance0.1671 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647A1B #311B7A
analogous
#7A611B #647A1B #357A1B
triadic
#647A1B #1B647A #7A1B64
tetradic
#647A1B #1B7A61 #311B7A #7A1B35
square
#647A1B #1B7A61 #311B7A #7A1B35
split-complementary
#647A1B #1B357A #611B7A
monochromatic
#151906 #3B4810 #647A1B #8DAC26 #B1D43C

Accessibility & contrast

On white

4.84
#647A1B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.34
#647A1B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647A1B
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647A1B#FFFFFF#000000##FFFFFF
##647A1B1.004.844.344.84
#FFFFFF4.841.0021.001.00
#0000004.3421.001.0021.00
##FFFFFF4.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#827206
Deuteranopia (green-blind)
#7F7224
Tritanopia (blue-blind)
#6A7368
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #647a1b;
/* rgb */ color: rgb(100, 122, 27);
/* oklch */ color: oklch(54.3% 0.120 122.1);
Tailwind
colors: {
  custom: {
    50: '#93a05f',
    500: '#647a1b',
    950: '#000000',
  },
}
SCSS
$custom: #647a1b;
$custom-light: #93a05f;
$custom-dark: #000000;
JSON
{
  "hex": "#647a1b",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 27
  },
  "hsl": {
    "h": 73.895,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.54338,
    "c": 0.11994,
    "h": 122.1
  },
  "luminance": 0.16708
}

Semantic roles & 50–950 ramp

primary
#647A1B
secondary
#5C43AE
accent
#41E767
background
#F9F9F5
surface
#F2F2EA
border
#CCCCC6
text
#0D0E05
muted
#7E7E79

Preview Lab

Preview with #647A1B

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

Preview Lab → · Contrast checker → · Palette generator →

#647A1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva