#BFEF5B#BFEF5B

#BFEF5B is a very light, vivid yellow-green. Relative luminance 0.736; OKLCH L 89.0% C 0.181 H 125.2°. Best body text is #000000 at 15.71:1 contrast (WCAG AA passes).

Color values

HEX#BFEF5B
RGBrgb(191, 239, 91)
HSLhsl(79, 82%, 65%)
HSVhsv(79, 62%, 94%)
CMYKcmyk(20.1%, 0%, 61.9%, 6.3%)
CIE-LABlab(88.72, -36.63, 64.56)
CIE-LCHlch(88.72, 74.23, 119.57°)
OKLaboklab(89.02% -0.1047 0.1482)
OKLCHoklch(89.02% 0.181 125.2)
XYZxyz(54.2409, 73.5641, 21.2372)
Luminance0.7357 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BFEF5B #8B5BEF
analogous
#EFD55B #BFEF5B #75EF5B
triadic
#BFEF5B #5BBFEF #EF5BBF
tetradic
#BFEF5B #5BEFD5 #8B5BEF #EF5B75
square
#BFEF5B #5BEFD5 #8B5BEF #EF5B75
split-complementary
#BFEF5B #5B75EF #D55BEF
monochromatic
#86BD12 #A9EA23 #BFEF5B #D5F493 #EBFACB

Accessibility & contrast

On white

1.34
#BFEF5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.71
#BFEF5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #BFEF5B
15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BFEF5B#FFFFFF#000000##000000
##BFEF5B1.001.3415.7115.71
#FFFFFF1.341.0021.0021.00
#00000015.7121.001.001.00
##00000015.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FBE049
Deuteranopia (green-blind)
#F5DE66
Tritanopia (blue-blind)
#C7E4D0
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #bfef5b;
/* rgb */ color: rgb(191, 239, 91);
/* oklch */ color: oklch(89.0% 0.181 125.2);
Tailwind
colors: {
  custom: {
    50: '#d5f48f',
    500: '#bfef5b',
    950: '#000000',
  },
}
SCSS
$custom: #bfef5b;
$custom-light: #d5f48f;
$custom-dark: #000000;
JSON
{
  "hex": "#bfef5b",
  "rgb": {
    "r": 191,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 79.459,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.89019,
    "c": 0.18145,
    "h": 125.2
  },
  "luminance": 0.73565
}

Semantic roles & 50–950 ramp

primary
#BFEF5B
secondary
#5F33BC
accent
#07DF4D
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#15170D
muted
#84857F

Preview Lab

Preview with #BFEF5B

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

Preview Lab → · Contrast checker → · Palette generator →

#BFEF5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva