#3FBF5B#3FBF5B

#3FBF5B is a light, vivid green. Relative luminance 0.391; OKLCH L 71.2% C 0.179 H 147.4°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#3FBF5B
RGBrgb(63, 191, 91)
HSLhsl(133, 50%, 50%)
HSVhsv(133, 67%, 75%)
CMYKcmyk(67%, 0%, 52.4%, 25.1%)
CIE-LABlab(68.80, -55.92, 40.13)
CIE-LCHlch(68.80, 68.83, 144.33°)
OKLaboklab(71.23% -0.1508 0.0966)
OKLCHoklch(71.23% 0.179 147.4)
XYZxyz(22.5674, 39.0713, 16.2477)
Luminance0.3907 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FBF5B #BF3FA3
analogous
#63BF3F #3FBF5B #3FBF9B
triadic
#3FBF5B #5B3FBF #BF5B3F
tetradic
#3FBF5B #3F63BF #BF3FA3 #BF9B3F
square
#3FBF5B #3F63BF #BF3FA3 #BF9B3F
split-complementary
#3FBF5B #9B3FBF #BF3F63
monochromatic
#21632F #309145 #3FBF5B #6DCF82 #9BDEA9

Accessibility & contrast

On white

2.38
#3FBF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.81
#3FBF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBF5B
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FBF5B#FFFFFF#000000##000000
##3FBF5B1.002.388.818.81
#FFFFFF2.381.0021.0021.00
#0000008.8121.001.001.00
##0000008.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1AE52
Deuteranopia (green-blind)
#B2A462
Tritanopia (blue-blind)
#0CBBA8
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #3fbf5b;
/* rgb */ color: rgb(63, 191, 91);
/* oklch */ color: oklch(71.2% 0.179 147.4);
Tailwind
colors: {
  custom: {
    50: '#84d38b',
    500: '#3fbf5b',
    950: '#000000',
  },
}
SCSS
$custom: #3fbf5b;
$custom-light: #84d38b;
$custom-dark: #000000;
JSON
{
  "hex": "#3fbf5b",
  "rgb": {
    "r": 63,
    "g": 191,
    "b": 91
  },
  "hsl": {
    "h": 133.125,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71228,
    "c": 0.17911,
    "h": 147.4
  },
  "luminance": 0.39074
}

Semantic roles & 50–950 ramp

primary
#3FBF5B
secondary
#CA90BD
accent
#4EBBDA
background
#F8FDF8
surface
#F0FAF0
border
#CBD3CB
text
#0C140C
muted
#7D837D

Preview Lab

Preview with #3FBF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#3FBF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva