#3F891B#3F891B

#3F891B is a mid, vivid green. Relative luminance 0.190; OKLCH L 56.1% C 0.159 H 137.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#3F891B
RGBrgb(63, 137, 27)
HSLhsl(100, 67%, 32%)
HSVhsv(100, 80%, 54%)
CMYKcmyk(54%, 0%, 80.3%, 46.3%)
CIE-LABlab(50.72, -42.50, 47.89)
CIE-LCHlch(50.72, 64.03, 131.59°)
OKLaboklab(56.11% -0.1177 0.1065)
OKLCHoklch(56.11% 0.159 137.8)
XYZxyz(11.1930, 19.0264, 4.1193)
Luminance0.1903 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F891B #651B89
analogous
#76891B #3F891B #1B892E
triadic
#3F891B #1B3F89 #891B3F
tetradic
#3F891B #1B7689 #651B89 #892E1B
square
#3F891B #1B7689 #651B89 #892E1B
split-complementary
#3F891B #2E1B89 #891B76
monochromatic
#102307 #275611 #3F891B #57BC25 #75DA44

Accessibility & contrast

On white

4.37
#3F891B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#3F891B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F891B
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F891B#FFFFFF#000000##000000
##3F891B1.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7D00
Deuteranopia (green-blind)
#847628
Tritanopia (blue-blind)
#398475
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3f891b;
/* rgb */ color: rgb(63, 137, 27);
/* oklch */ color: oklch(56.1% 0.159 137.8);
Tailwind
colors: {
  custom: {
    50: '#7cac61',
    500: '#3f891b',
    950: '#000000',
  },
}
SCSS
$custom: #3f891b;
$custom-light: #7cac61;
$custom-dark: #000000;
JSON
{
  "hex": "#3f891b",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 27
  },
  "hsl": {
    "h": 100.364,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56108,
    "c": 0.15873,
    "h": 137.8
  },
  "luminance": 0.19027
}

Semantic roles & 50–950 ramp

primary
#3F891B
secondary
#9544BC
accent
#3EEAB2
background
#F8FAF6
surface
#EFF4EB
border
#CACEC6
text
#0A1005
muted
#7C7F7A

Preview Lab

Preview with #3F891B

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

Preview Lab → · Contrast checker → · Palette generator →

#3F891B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva