#3FDB3B#3FDB3B

#3FDB3B is a light, highly saturated green. Relative luminance 0.520; OKLCH L 78.2% C 0.235 H 142.6°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX#3FDB3B
RGBrgb(63, 219, 59)
HSLhsl(119, 69%, 55%)
HSVhsv(119, 73%, 86%)
CMYKcmyk(71.2%, 0%, 73.1%, 14.1%)
CIE-LABlab(77.30, -68.80, 63.16)
CIE-LCHlch(77.30, 93.39, 137.45°)
OKLaboklab(78.17% -0.1869 0.1428)
OKLCHoklch(78.17% 0.235 142.6)
XYZxyz(28.1691, 52.0324, 12.6955)
Luminance0.5204 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FDB3B #D73BDB
analogous
#8FDB3B #3FDB3B #3BDB87
triadic
#3FDB3B #3B3FDB #DB3B3F
tetradic
#3FDB3B #3B8FDB #D73BDB #DB873B
square
#3FDB3B #3B8FDB #D73BDB #DB873B
split-complementary
#3FDB3B #873BDB #DB3B8F
monochromatic
#1B8318 #25B722 #3FDB3B #72E46F #A4EEA2

Accessibility & contrast

On white

1.84
#3FDB3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.41
#3FDB3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDB3B
11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FDB3B#FFFFFF#000000##000000
##3FDB3B1.001.8411.4111.41
#FFFFFF1.841.0021.0021.00
#00000011.4121.001.001.00
##00000011.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C61C
Deuteranopia (green-blind)
#CEBA4C
Tritanopia (blue-blind)
#01D5BC
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #3fdb3b;
/* rgb */ color: rgb(63, 219, 59);
/* oklch */ color: oklch(78.2% 0.235 142.6);
Tailwind
colors: {
  custom: {
    50: '#8be77b',
    500: '#3fdb3b',
    950: '#000000',
  },
}
SCSS
$custom: #3fdb3b;
$custom-light: #8be77b;
$custom-dark: #000000;
JSON
{
  "hex": "#3fdb3b",
  "rgb": {
    "r": 63,
    "g": 219,
    "b": 59
  },
  "hsl": {
    "h": 118.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78172,
    "c": 0.23525,
    "h": 142.6
  },
  "luminance": 0.52036
}

Semantic roles & 50–950 ramp

primary
#3FDB3B
secondary
#88308A
accent
#3CECE7
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #3FDB3B

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

Preview Lab → · Contrast checker → · Palette generator →

#3FDB3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva