#3FCC39#3FCC39

#3FCC39 is a light, highly saturated green. Relative luminance 0.445; OKLCH L 74.3% C 0.220 H 142.5°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX#3FCC39
RGBrgb(63, 204, 57)
HSLhsl(118, 59%, 51%)
HSVhsv(118, 72%, 80%)
CMYKcmyk(69.1%, 0%, 72.1%, 20%)
CIE-LABlab(72.58, -64.14, 59.08)
CIE-LCHlch(72.58, 87.20, 137.36°)
OKLaboklab(74.26% -0.1744 0.134)
OKLCHoklch(74.26% 0.22 142.5)
XYZxyz(24.3799, 44.5353, 11.1814)
Luminance0.4454 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FCC39 #C639CC
analogous
#88CC39 #3FCC39 #39CC7C
triadic
#3FCC39 #393FCC #CC393F
tetradic
#3FCC39 #3988CC #C639CC #CC7C39
square
#3FCC39 #3988CC #C639CC #CC7C39
split-complementary
#3FCC39 #7C39CC #CC3988
monochromatic
#206E1C #2E9F29 #3FCC39 #6ED96A #9DE59A

Accessibility & contrast

On white

2.12
#3FCC39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.91
#3FCC39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCC39
9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FCC39#FFFFFF#000000##000000
##3FCC391.002.129.919.91
#FFFFFF2.121.0021.0021.00
#0000009.9121.001.001.00
##0000009.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1B91F
Deuteranopia (green-blind)
#C0AE48
Tritanopia (blue-blind)
#17C6AF
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #3fcc39;
/* rgb */ color: rgb(63, 204, 57);
/* oklch */ color: oklch(74.3% 0.220 142.5);
Tailwind
colors: {
  custom: {
    50: '#88dd78',
    500: '#3fcc39',
    950: '#000000',
  },
}
SCSS
$custom: #3fcc39;
$custom-light: #88dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#3fcc39",
  "rgb": {
    "r": 63,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 117.551,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74255,
    "c": 0.21998,
    "h": 142.5
  },
  "luminance": 0.44538
}

Semantic roles & 50–950 ramp

primary
#3FCC39
secondary
#CE90D1
accent
#46E2DC
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D1509
muted
#7E837B

Preview Lab

Preview with #3FCC39

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

Preview Lab → · Contrast checker → · Palette generator →

#3FCC39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva