#3FCB39#3FCB39

#3FCB39 is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.0% C 0.219 H 142.5°. Best body text is #000000 at 9.81:1 contrast (WCAG AA passes).

Color values

HEX#3FCB39
RGBrgb(63, 203, 57)
HSLhsl(118, 58%, 51%)
HSVhsv(118, 72%, 80%)
CMYKcmyk(69%, 0%, 71.9%, 20.4%)
CIE-LABlab(72.27, -63.82, 58.75)
CIE-LCHlch(72.27, 86.74, 137.37°)
OKLaboklab(73.99% -0.1736 0.1334)
OKLCHoklch(73.99% 0.219 142.5)
XYZxyz(24.1430, 44.0614, 11.1025)
Luminance0.4406 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FCB39 #C539CB
analogous
#88CB39 #3FCB39 #39CB7C
triadic
#3FCB39 #393FCB #CB393F
tetradic
#3FCB39 #3988CB #C539CB #CB7C39
square
#3FCB39 #3988CB #C539CB #CB7C39
split-complementary
#3FCB39 #7C39CB #CB3988
monochromatic
#206D1D #2E9D29 #3FCB39 #6ED869 #9DE49A

Accessibility & contrast

On white

2.14
#3FCB39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.81
#3FCB39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCB39
9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FCB39#FFFFFF#000000##000000
##3FCB391.002.149.819.81
#FFFFFF2.141.0021.0021.00
#0000009.8121.001.001.00
##0000009.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B820
Deuteranopia (green-blind)
#BFAD48
Tritanopia (blue-blind)
#18C5AE
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #3fcb39;
/* rgb */ color: rgb(63, 203, 57);
/* oklch */ color: oklch(74.0% 0.219 142.5);
Tailwind
colors: {
  custom: {
    50: '#87dc78',
    500: '#3fcb39',
    950: '#000000',
  },
}
SCSS
$custom: #3fcb39;
$custom-light: #87dc78;
$custom-dark: #000000;
JSON
{
  "hex": "#3fcb39",
  "rgb": {
    "r": 63,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 117.534,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.73994,
    "c": 0.21887,
    "h": 142.5
  },
  "luminance": 0.44064
}

Semantic roles & 50–950 ramp

primary
#3FCB39
secondary
#CE90D0
accent
#46E2DB
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D1509
muted
#7E837B

Preview Lab

Preview with #3FCB39

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

Preview Lab → · Contrast checker → · Palette generator →

#3FCB39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva