#647E22#647E22

#647E22 is a mid, vivid yellow-green. Relative luminance 0.177; OKLCH L 55.4% C 0.121 H 124.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#647E22
RGBrgb(100, 126, 34)
HSLhsl(77, 58%, 31%)
HSVhsv(77, 73%, 49%)
CMYKcmyk(20.6%, 0%, 73%, 50.6%)
CIE-LABlab(49.19, -23.33, 44.53)
CIE-LCHlch(49.19, 50.27, 117.65°)
OKLaboklab(55.4% -0.0676 0.0999)
OKLCHoklch(55.4% 0.121 124.1)
XYZxyz(13.0052, 17.7464, 4.2533)
Luminance0.1775 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#647E22 #3C227E
analogous
#7E6A22 #647E22 #367E22
triadic
#647E22 #22647E #7E2264
tetradic
#647E22 #227E6A #3C227E #7E2236
square
#647E22 #227E6A #3C227E #7E2236
split-complementary
#647E22 #22367E #6A227E
monochromatic
#181E08 #3E4E15 #647E22 #8AAE2F #AACF4C

Accessibility & contrast

On white

4.62
#647E22 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.55
#647E22 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #647E22
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##647E22#FFFFFF#000000##FFFFFF
##647E221.004.624.554.62
#FFFFFF4.621.0021.001.00
#0000004.5521.001.0021.00
##FFFFFF4.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#857613
Deuteranopia (green-blind)
#82752A
Tritanopia (blue-blind)
#69786C
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #647e22;
/* rgb */ color: rgb(100, 126, 34);
/* oklch */ color: oklch(55.4% 0.121 124.1);
Tailwind
colors: {
  custom: {
    50: '#93a363',
    500: '#647e22',
    950: '#000000',
  },
}
SCSS
$custom: #647e22;
$custom-light: #93a363;
$custom-dark: #000000;
JSON
{
  "hex": "#647e22",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 34
  },
  "hsl": {
    "h": 76.957,
    "s": 57.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55401,
    "c": 0.12061,
    "h": 124.1
  },
  "luminance": 0.17747
}

Semantic roles & 50–950 ramp

primary
#647E22
secondary
#684BB1
accent
#47E172
background
#F9FAF6
surface
#F2F3EB
border
#CCCDC6
text
#0D0F06
muted
#7E7F7A

Preview Lab

Preview with #647E22

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

Preview Lab → · Contrast checker → · Palette generator →

#647E22 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva