#647E1E#647E1E

#647E1E is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.4% C 0.123 H 123.8°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#647E1E
RGBrgb(100, 126, 30)
HSLhsl(76, 62%, 31%)
HSVhsv(76, 76%, 49%)
CMYKcmyk(20.6%, 0%, 76.2%, 50.6%)
CIE-LABlab(49.16, -23.57, 46.04)
CIE-LCHlch(49.16, 51.73, 117.11°)
OKLaboklab(55.37% -0.0686 0.1024)
OKLCHoklch(55.37% 0.123 123.8)
XYZxyz(12.9509, 17.7247, 3.9670)
Luminance0.1772 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647E1E #381E7E
analogous
#7E681E #647E1E #347E1E
triadic
#647E1E #1E647E #7E1E64
tetradic
#647E1E #1E7E68 #381E7E #7E1E34
square
#647E1E #1E7E68 #381E7E #7E1E34
split-complementary
#647E1E #1E347E #681E7E
monochromatic
#161B06 #3D4D12 #647E1E #8BAF2A #ACD244

Accessibility & contrast

On white

4.62
#647E1E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#647E1E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E1E
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647E1E#FFFFFF#000000##FFFFFF
##647E1E1.004.624.554.62
#FFFFFF4.621.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#85760A
Deuteranopia (green-blind)
#827527
Tritanopia (blue-blind)
#69776C
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #647e1e;
/* rgb */ color: rgb(100, 126, 30);
/* oklch */ color: oklch(55.4% 0.123 123.8);
Tailwind
colors: {
  custom: {
    50: '#93a361',
    500: '#647e1e',
    950: '#000000',
  },
}
SCSS
$custom: #647e1e;
$custom-light: #93a361;
$custom-dark: #000000;
JSON
{
  "hex": "#647e1e",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 30
  },
  "hsl": {
    "h": 76.25,
    "s": 61.538,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55371,
    "c": 0.12326,
    "h": 123.8
  },
  "luminance": 0.17725
}

Semantic roles & 50–950 ramp

primary
#647E1E
secondary
#6347B1
accent
#43E56F
background
#F9FAF6
surface
#F2F3EB
border
#CCCDC6
text
#0D0F05
muted
#7E7F7A

Preview Lab

Preview with #647E1E

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

Preview Lab → · Contrast checker → · Palette generator →

#647E1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva