#3F681C#3F681C

#3F681C is a mid, moderate yellow-green. Relative luminance 0.110; OKLCH L 47.0% C 0.115 H 133.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX#3F681C
RGBrgb(63, 104, 28)
HSLhsl(92, 58%, 26%)
HSVhsv(92, 73%, 41%)
CMYKcmyk(39.4%, 0%, 73.1%, 59.2%)
CIE-LABlab(39.65, -28.21, 36.57)
CIE-LCHlch(39.65, 46.19, 127.65°)
OKLaboklab(47.02% -0.079 0.083)
OKLCHoklch(47.02% 0.115 133.6)
XYZxyz(7.2097, 11.0409, 2.8496)
Luminance0.1104 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F681C #451C68
analogous
#65681C #3F681C #1C681F
triadic
#3F681C #1C3F68 #681C3F
tetradic
#3F681C #1C6568 #451C68 #681F1C
square
#3F681C #1C6568 #451C68 #681F1C
split-complementary
#3F681C #1F1C68 #681C65
monochromatic
#0F1806 #22380F #3F681C #5C9829 #79C836

Accessibility & contrast

On white

6.55
#3F681C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.21
#3F681C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F681C
6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F681C#FFFFFF#000000##FFFFFF
##3F681C1.006.553.216.55
#FFFFFF6.551.0021.001.00
#0000003.2121.001.0021.00
##FFFFFF6.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C5F10
Deuteranopia (green-blind)
#675C23
Tritanopia (blue-blind)
#3F6459
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #3f681c;
/* rgb */ color: rgb(63, 104, 28);
/* oklch */ color: oklch(47.0% 0.115 133.6);
Tailwind
colors: {
  custom: {
    50: '#78935d',
    500: '#3f681c',
    950: '#000000',
  },
}
SCSS
$custom: #3f681c;
$custom-light: #78935d;
$custom-dark: #000000;
JSON
{
  "hex": "#3f681c",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 28
  },
  "hsl": {
    "h": 92.368,
    "s": 57.576,
    "l": 25.882
  },
  "oklch": {
    "l": 0.47023,
    "c": 0.1146,
    "h": 133.6
  },
  "luminance": 0.11041
}

Semantic roles & 50–950 ramp

primary
#3F681C
secondary
#73439D
accent
#47E19A
background
#F7F9F5
surface
#EDF1E9
border
#C8CBC5
text
#090D04
muted
#7B7E79

Preview Lab

Preview with #3F681C

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

Preview Lab → · Contrast checker → · Palette generator →

#3F681C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva