#3FCA39#3FCA39

#3FCA39 is a light, highly saturated green. Relative luminance 0.436; OKLCH L 73.7% C 0.218 H 142.5°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX#3FCA39
RGBrgb(63, 202, 57)
HSLhsl(118, 58%, 51%)
HSVhsv(118, 72%, 79%)
CMYKcmyk(68.8%, 0%, 71.8%, 20.8%)
CIE-LABlab(71.95, -63.49, 58.43)
CIE-LCHlch(71.95, 86.28, 137.38°)
OKLaboklab(73.73% -0.1727 0.1327)
OKLCHoklch(73.73% 0.218 142.5)
XYZxyz(23.9076, 43.5907, 11.0240)
Luminance0.4359 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FCA39 #C439CA
analogous
#87CA39 #3FCA39 #39CA7B
triadic
#3FCA39 #393FCA #CA393F
tetradic
#3FCA39 #3987CA #C439CA #CA7B39
square
#3FCA39 #3987CA #C439CA #CA7B39
split-complementary
#3FCA39 #7B39CA #CA3987
monochromatic
#206C1D #2E9C2A #3FCA39 #6ED769 #9DE49A

Accessibility & contrast

On white

2.16
#3FCA39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.72
#3FCA39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCA39
9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FCA39#FFFFFF#000000##000000
##3FCA391.002.169.729.72
#FFFFFF2.161.0021.0021.00
#0000009.7221.001.001.00
##0000009.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFB720
Deuteranopia (green-blind)
#BEAC48
Tritanopia (blue-blind)
#19C4AE
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #3fca39;
/* rgb */ color: rgb(63, 202, 57);
/* oklch */ color: oklch(73.7% 0.218 142.5);
Tailwind
colors: {
  custom: {
    50: '#87db78',
    500: '#3fca39',
    950: '#000000',
  },
}
SCSS
$custom: #3fca39;
$custom-light: #87db78;
$custom-dark: #000000;
JSON
{
  "hex": "#3fca39",
  "rgb": {
    "r": 63,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 117.517,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.73732,
    "c": 0.21775,
    "h": 142.5
  },
  "luminance": 0.43593
}

Semantic roles & 50–950 ramp

primary
#3FCA39
secondary
#CD8FD0
accent
#47E1DB
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D1509
muted
#7E837B

Preview Lab

Preview with #3FCA39

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

Preview Lab → · Contrast checker → · Palette generator →

#3FCA39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva