#3FDD40#3FDD40

#3FDD40 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.7% C 0.235 H 143.0°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX#3FDD40
RGBrgb(63, 221, 64)
HSLhsl(120, 70%, 56%)
HSVhsv(120, 71%, 87%)
CMYKcmyk(71.5%, 0%, 71%, 13.3%)
CIE-LABlab(77.96, -69.03, 62.05)
CIE-LCHlch(77.96, 92.82, 138.05°)
OKLaboklab(78.73% -0.1874 0.1411)
OKLCHoklch(78.73% 0.235 143)
XYZxyz(28.8300, 53.1366, 13.5865)
Luminance0.5314 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FDD40 #DD3FDC
analogous
#8DDD3F #3FDD40 #3FDD8F
triadic
#3FDD40 #403FDD #DD403F
tetradic
#3FDD40 #3F8DDD #DD3FDC #DD8F3F
square
#3FDD40 #3F8DDD #DD3FDC #DD8F3F
split-complementary
#3FDD40 #8F3FDD #DD3F8D
monochromatic
#188919 #22BD23 #3FDD40 #73E674 #A7EFA7

Accessibility & contrast

On white

1.81
#3FDD40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.63
#3FDD40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FDD40
11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FDD40#FFFFFF#000000##000000
##3FDD401.001.8111.6311.63
#FFFFFF1.811.0021.0021.00
#00000011.6321.001.001.00
##00000011.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C826
Deuteranopia (green-blind)
#D0BC50
Tritanopia (blue-blind)
#00D7BE
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #3fdd40;
/* rgb */ color: rgb(63, 221, 64);
/* oklch */ color: oklch(78.7% 0.235 143.0);
Tailwind
colors: {
  custom: {
    50: '#8be97e',
    500: '#3fdd40',
    950: '#000000',
  },
}
SCSS
$custom: #3fdd40;
$custom-light: #8be97e;
$custom-dark: #000000;
JSON
{
  "hex": "#3fdd40",
  "rgb": {
    "r": 63,
    "g": 221,
    "b": 64
  },
  "hsl": {
    "h": 120.38,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78726,
    "c": 0.23455,
    "h": 143
  },
  "luminance": 0.5314
}

Semantic roles & 50–950 ramp

primary
#3FDD40
secondary
#8F318F
accent
#3BECED
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #3FDD40

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

Preview Lab → · Contrast checker → · Palette generator →

#3FDD40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva