#3F971D#3F971D

#3F971D is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.9% C 0.175 H 138.9°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#3F971D
RGBrgb(63, 151, 29)
HSLhsl(103, 68%, 35%)
HSVhsv(103, 81%, 59%)
CMYKcmyk(58.3%, 0%, 80.8%, 40.8%)
CIE-LABlab(55.36, -47.75, 51.64)
CIE-LCHlch(55.36, 70.33, 132.76°)
OKLaboklab(59.94% -0.1317 0.1147)
OKLCHoklch(59.94% 0.175 138.9)
XYZxyz(13.3377, 23.2775, 4.9523)
Luminance0.2328 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F971D #751D97
analogous
#7C971D #3F971D #1D9738
triadic
#3F971D #1D3F97 #971D3F
tetradic
#3F971D #1D7C97 #751D97 #97381D
square
#3F971D #1D7C97 #751D97 #97381D
split-complementary
#3F971D #381D97 #971D7C
monochromatic
#143009 #2A6413 #3F971D #54CA27 #78DE51

Accessibility & contrast

On white

3.71
#3F971D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.66
#3F971D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F971D
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F971D#FFFFFF#000000##000000
##3F971D1.003.715.665.66
#FFFFFF3.711.0021.0021.00
#0000005.6621.001.001.00
##0000005.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#9C8900
Deuteranopia (green-blind)
#91822B
Tritanopia (blue-blind)
#369281
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #3f971d;
/* rgb */ color: rgb(63, 151, 29);
/* oklch */ color: oklch(59.9% 0.175 138.9);
Tailwind
colors: {
  custom: {
    50: '#7fb664',
    500: '#3f971d',
    950: '#000000',
  },
}
SCSS
$custom: #3f971d;
$custom-light: #7fb664;
$custom-dark: #000000;
JSON
{
  "hex": "#3f971d",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 29
  },
  "hsl": {
    "h": 103.279,
    "s": 67.778,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59939,
    "c": 0.17459,
    "h": 138.9
  },
  "luminance": 0.23279
}

Semantic roles & 50–950 ramp

primary
#3F971D
secondary
#A14FC0
accent
#3DEBBA
background
#F8FBF6
surface
#EFF6EB
border
#CAD0C6
text
#0B1106
muted
#7C807A

Preview Lab

Preview with #3F971D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F971D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva