#3F661F#3F661F

#3F661F is a mid, moderate yellow-green. Relative luminance 0.107; OKLCH L 46.5% C 0.109 H 133.6°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#3F661F
RGBrgb(63, 102, 31)
HSLhsl(93, 53%, 26%)
HSVhsv(93, 70%, 40%)
CMYKcmyk(38.2%, 0%, 69.6%, 60%)
CIE-LABlab(39.00, -27.00, 34.54)
CIE-LCHlch(39.00, 43.84, 128.01°)
OKLaboklab(46.5% -0.0755 0.0792)
OKLCHoklch(46.5% 0.109 133.6)
XYZxyz(7.0485, 10.6581, 2.9819)
Luminance0.1066 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F661F #461F66
analogous
#62661F #3F661F #1F6623
triadic
#3F661F #1F3F66 #661F3F
tetradic
#3F661F #1F6266 #461F66 #66231F
square
#3F661F #1F6266 #461F66 #66231F
split-complementary
#3F661F #231F66 #661F62
monochromatic
#0E1707 #223711 #3F661F #5C952D #79C43C

Accessibility & contrast

On white

6.71
#3F661F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.13
#3F661F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F661F
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F661F#FFFFFF#000000##FFFFFF
##3F661F1.006.713.136.71
#FFFFFF6.711.0021.001.00
#0000003.1321.001.0021.00
##FFFFFF6.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A5E16
Deuteranopia (green-blind)
#655B25
Tritanopia (blue-blind)
#3F6257
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #3f661f;
/* rgb */ color: rgb(63, 102, 31);
/* oklch */ color: oklch(46.5% 0.109 133.6);
Tailwind
colors: {
  custom: {
    50: '#77925f',
    500: '#3f661f',
    950: '#000000',
  },
}
SCSS
$custom: #3f661f;
$custom-light: #77925f;
$custom-dark: #000000;
JSON
{
  "hex": "#3f661f",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 31
  },
  "hsl": {
    "h": 92.958,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.46501,
    "c": 0.10937,
    "h": 133.6
  },
  "luminance": 0.10658
}

Semantic roles & 50–950 ramp

primary
#3F661F
secondary
#75469A
accent
#4BDD9B
background
#F7F9F5
surface
#EDF1E9
border
#C8CBC5
text
#090D05
muted
#7B7E79

Preview Lab

Preview with #3F661F

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

Preview Lab → · Contrast checker → · Palette generator →

#3F661F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva