#3FCB40#3FCB40

#3FCB40 is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.1% C 0.215 H 143.1°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX#3FCB40
RGBrgb(63, 203, 64)
HSLhsl(120, 57%, 52%)
HSVhsv(120, 69%, 80%)
CMYKcmyk(69%, 0%, 68.5%, 20.4%)
CIE-LABlab(72.32, -63.22, 56.16)
CIE-LCHlch(72.32, 84.56, 138.38°)
OKLaboklab(74.05% -0.1716 0.1288)
OKLCHoklch(74.05% 0.215 143.1)
XYZxyz(24.3298, 44.1362, 12.0864)
Luminance0.4414 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FCB40 #CB3FCA
analogous
#84CB3F #3FCB40 #3FCB86
triadic
#3FCB40 #403FCB #CB403F
tetradic
#3FCB40 #3F84CB #CB3FCA #CB863F
square
#3FCB40 #3F84CB #CB3FCA #CB863F
split-complementary
#3FCB40 #863FCB #CB3F84
monochromatic
#1F711F #2CA12C #3FCB40 #6FD870 #9FE5A0

Accessibility & contrast

On white

2.14
#3FCB40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.83
#3FCB40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCB40
9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FCB40#FFFFFF#000000##000000
##3FCB401.002.149.839.83
#FFFFFF2.141.0021.0021.00
#0000009.8321.001.001.00
##0000009.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFB82C
Deuteranopia (green-blind)
#BFAD4D
Tritanopia (blue-blind)
#15C5AF
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #3fcb40;
/* rgb */ color: rgb(63, 203, 64);
/* oklch */ color: oklch(74.1% 0.215 143.1);
Tailwind
colors: {
  custom: {
    50: '#87dc7c',
    500: '#3fcb40',
    950: '#000000',
  },
}
SCSS
$custom: #3fcb40;
$custom-light: #87dc7c;
$custom-dark: #000000;
JSON
{
  "hex": "#3fcb40",
  "rgb": {
    "r": 63,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 120.429,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.74051,
    "c": 0.21453,
    "h": 143.1
  },
  "luminance": 0.44139
}

Semantic roles & 50–950 ramp

primary
#3FCB40
secondary
#D194D1
accent
#47E0E1
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D150A
muted
#7E837C

Preview Lab

Preview with #3FCB40

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

Preview Lab → · Contrast checker → · Palette generator →

#3FCB40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva