#647B30#647B30

#647B30 is a mid, moderate yellow-green. Relative luminance 0.171; OKLCH L 54.8% C 0.105 H 124.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#647B30
RGBrgb(100, 123, 48)
HSLhsl(78, 44%, 34%)
HSVhsv(78, 61%, 48%)
CMYKcmyk(18.7%, 0%, 61%, 51.8%)
CIE-LABlab(48.37, -20.70, 37.43)
CIE-LCHlch(48.37, 42.77, 118.94°)
OKLaboklab(54.78% -0.0589 0.0869)
OKLCHoklch(54.78% 0.105 124.1)
XYZxyz(12.8721, 17.0886, 5.4160)
Luminance0.1709 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647B30 #47307B
analogous
#7B6C30 #647B30 #3E7B30
triadic
#647B30 #30647B #7B3064
tetradic
#647B30 #307B6C #47307B #7B303E
square
#647B30 #307B6C #47307B #7B303E
split-complementary
#647B30 #303E7B #6C307B
monochromatic
#1C230E #404F1F #647B30 #88A741 #A5C263

Accessibility & contrast

On white

4.75
#647B30 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#647B30 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647B30
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647B30#FFFFFF#000000##FFFFFF
##647B301.004.754.424.75
#FFFFFF4.751.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#827428
Deuteranopia (green-blind)
#7F7335
Tritanopia (blue-blind)
#68756B
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #647b30;
/* rgb */ color: rgb(100, 123, 48);
/* oklch */ color: oklch(54.8% 0.105 124.1);
Tailwind
colors: {
  custom: {
    50: '#92a16b',
    500: '#647b30',
    950: '#000000',
  },
}
SCSS
$custom: #647b30;
$custom-light: #92a16b;
$custom-dark: #000000;
JSON
{
  "hex": "#647b30",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 48
  },
  "hsl": {
    "h": 78.4,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54781,
    "c": 0.10502,
    "h": 124.1
  },
  "luminance": 0.17089
}

Semantic roles & 50–950 ramp

primary
#647B30
secondary
#755DA9
accent
#54D47B
background
#F9F9F6
surface
#F1F2EB
border
#CBCCC6
text
#0D0F07
muted
#7E7E7A

Preview Lab

Preview with #647B30

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

Preview Lab → · Contrast checker → · Palette generator →

#647B30 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva