#3F661C#3F661C

#3F661C is a mid, moderate yellow-green. Relative luminance 0.106; OKLCH L 46.5% C 0.112 H 133.2°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#3F661C
RGBrgb(63, 102, 28)
HSLhsl(92, 57%, 25%)
HSVhsv(92, 73%, 40%)
CMYKcmyk(38.2%, 0%, 72.5%, 60%)
CIE-LABlab(38.97, -27.26, 35.86)
CIE-LCHlch(38.97, 45.05, 127.24°)
OKLaboklab(46.47% -0.0764 0.0815)
OKLCHoklch(46.47% 0.112 133.2)
XYZxyz(7.0108, 10.6430, 2.7833)
Luminance0.1064 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F661C #431C66
analogous
#64661C #3F661C #1C661E
triadic
#3F661C #1C3F66 #661C3F
tetradic
#3F661C #1C6466 #431C66 #661E1C
square
#3F661C #1C6466 #431C66 #661E1C
split-complementary
#3F661C #1E1C66 #661C64
monochromatic
#0F1807 #21360F #3F661C #5D9629 #7AC636

Accessibility & contrast

On white

6.71
#3F661C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#3F661C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F661C
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F661C#FFFFFF#000000##FFFFFF
##3F661C1.006.713.136.71
#FFFFFF6.711.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A5E11
Deuteranopia (green-blind)
#655B22
Tritanopia (blue-blind)
#3F6257
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #3f661c;
/* rgb */ color: rgb(63, 102, 28);
/* oklch */ color: oklch(46.5% 0.112 133.2);
Tailwind
colors: {
  custom: {
    50: '#78925d',
    500: '#3f661c',
    950: '#000000',
  },
}
SCSS
$custom: #3f661c;
$custom-light: #78925d;
$custom-dark: #000000;
JSON
{
  "hex": "#3f661c",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 28
  },
  "hsl": {
    "h": 91.622,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.46471,
    "c": 0.11175,
    "h": 133.2
  },
  "luminance": 0.10643
}

Semantic roles & 50–950 ramp

primary
#3F661C
secondary
#71439B
accent
#48E098
background
#F7F9F5
surface
#EDF1E9
border
#C8CBC5
text
#090D04
muted
#7B7E79

Preview Lab

Preview with #3F661C

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

Preview Lab → · Contrast checker → · Palette generator →

#3F661C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva