#3FB951#3FB951

#3FB951 is a light, vivid green. Relative luminance 0.363; OKLCH L 69.5% C 0.180 H 145.8°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX#3FB951
RGBrgb(63, 185, 81)
HSLhsl(129, 49%, 49%)
HSVhsv(129, 66%, 73%)
CMYKcmyk(65.9%, 0%, 56.2%, 27.5%)
CIE-LABlab(66.78, -55.12, 42.52)
CIE-LCHlch(66.78, 69.61, 142.36°)
OKLaboklab(69.52% -0.1489 0.1012)
OKLCHoklch(69.52% 0.18 145.8)
XYZxyz(20.8827, 36.3466, 13.6981)
Luminance0.3635 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FB951 #B93FA7
analogous
#6AB93F #3FB951 #3FB98E
triadic
#3FB951 #513FB9 #B9513F
tetradic
#3FB951 #3F6AB9 #B93FA7 #B98E3F
square
#3FB951 #3F6AB9 #B93FA7 #B98E3F
split-complementary
#3FB951 #8E3FB9 #B93F6A
monochromatic
#205E29 #2F8B3D #3FB951 #69CC78 #97DCA1

Accessibility & contrast

On white

2.54
#3FB951 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.27
#3FB951 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB951
8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FB951#FFFFFF#000000##000000
##3FB9511.002.548.278.27
#FFFFFF2.541.0021.0021.00
#0000008.2721.001.001.00
##0000008.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCA947
Deuteranopia (green-blind)
#AD9E59
Tritanopia (blue-blind)
#1AB5A2
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #3fb951;
/* rgb */ color: rgb(63, 185, 81);
/* oklch */ color: oklch(69.5% 0.180 145.8);
Tailwind
colors: {
  custom: {
    50: '#83cf85',
    500: '#3fb951',
    950: '#000000',
  },
}
SCSS
$custom: #3fb951;
$custom-light: #83cf85;
$custom-dark: #000000;
JSON
{
  "hex": "#3fb951",
  "rgb": {
    "r": 63,
    "g": 185,
    "b": 81
  },
  "hsl": {
    "h": 128.852,
    "s": 49.194,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69521,
    "c": 0.18009,
    "h": 145.8
  },
  "luminance": 0.36349
}

Semantic roles & 50–950 ramp

primary
#3FB951
secondary
#C78DBF
accent
#4FC4D9
background
#F8FCF8
surface
#F0F9EF
border
#CBD2CA
text
#0C140B
muted
#7D827C

Preview Lab

Preview with #3FB951

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

Preview Lab → · Contrast checker → · Palette generator →

#3FB951 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva