#31BF4B#31BF4B

#31BF4B is a light, vivid green. Relative luminance 0.384; OKLCH L 70.7% C 0.197 H 145.8°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#31BF4B
RGBrgb(49, 191, 75)
HSLhsl(131, 59%, 47%)
HSVhsv(131, 74%, 75%)
CMYKcmyk(74.3%, 0%, 60.7%, 25.1%)
CIE-LABlab(68.33, -60.42, 47.03)
CIE-LCHlch(68.33, 76.57, 142.11°)
OKLaboklab(70.69% -0.1629 0.1106)
OKLCHoklch(70.69% 0.197 145.8)
XYZxyz(21.1659, 38.4201, 12.9556)
Luminance0.3842 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31BF4B #BF31A5
analogous
#5EBF31 #31BF4B #31BF92
triadic
#31BF4B #4B31BF #BF4B31
tetradic
#31BF4B #315EBF #BF31A5 #BF9231
square
#31BF4B #315EBF #BF31A5 #BF9231
split-complementary
#31BF4B #9231BF #BF315E
monochromatic
#185E25 #258E38 #31BF4B #59D46F #8AE19A

Accessibility & contrast

On white

2.42
#31BF4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.68
#31BF4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31BF4B
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31BF4B#FFFFFF#000000##000000
##31BF4B1.002.428.688.68
#FFFFFF2.421.0021.0021.00
#0000008.6821.001.001.00
##0000008.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2AD3E
Deuteranopia (green-blind)
#B2A255
Tritanopia (blue-blind)
#00BAA6
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #31bf4b;
/* rgb */ color: rgb(49, 191, 75);
/* oklch */ color: oklch(70.7% 0.197 145.8);
Tailwind
colors: {
  custom: {
    50: '#7fd481',
    500: '#31bf4b',
    950: '#000000',
  },
}
SCSS
$custom: #31bf4b;
$custom-light: #7fd481;
$custom-dark: #000000;
JSON
{
  "hex": "#31bf4b",
  "rgb": {
    "r": 49,
    "g": 191,
    "b": 75
  },
  "hsl": {
    "h": 130.986,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70693,
    "c": 0.19689,
    "h": 145.8
  },
  "luminance": 0.38423
}

Semantic roles & 50–950 ramp

primary
#31BF4B
secondary
#CB81BD
accent
#45C6E2
background
#F8FDF8
surface
#F0FAEF
border
#CBD3CA
text
#0C140B
muted
#7D837C

Preview Lab

Preview with #31BF4B

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

Preview Lab → · Contrast checker → · Palette generator →

#31BF4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva