#B5EF5A#B5EF5A

#B5EF5A is a very light, vivid yellow-green. Relative luminance 0.723; OKLCH L 88.4% C 0.187 H 127.9°. Best body text is #000000 at 15.46:1 contrast (WCAG AA passes).

Color values

HEX#B5EF5A
RGBrgb(181, 239, 90)
HSLhsl(83, 82%, 65%)
HSVhsv(83, 62%, 94%)
CMYKcmyk(24.3%, 0%, 62.3%, 6.3%)
CIE-LABlab(88.11, -40.42, 64.13)
CIE-LCHlch(88.11, 75.81, 122.22°)
OKLaboklab(88.37% -0.1146 0.1474)
OKLCHoklch(88.37% 0.187 127.9)
XYZxyz(51.7679, 72.2939, 20.8976)
Luminance0.7229 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5EF5A #945AEF
analogous
#EFDF5A #B5EF5A #6BEF5A
triadic
#B5EF5A #5AB5EF #EF5AB5
tetradic
#B5EF5A #5AEFDF #945AEF #EF5A6B
square
#B5EF5A #5AEFDF #945AEF #EF5A6B
split-complementary
#B5EF5A #5A6BEF #DF5AEF
monochromatic
#7ABC12 #9CEA22 #B5EF5A #CEF492 #E7FACA

Accessibility & contrast

On white

1.36
#B5EF5A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.46
#B5EF5A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EF5A
15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5EF5A#FFFFFF#000000##000000
##B5EF5A1.001.3615.4615.46
#FFFFFF1.361.0021.0021.00
#00000015.4621.001.001.00
##00000015.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FAE048
Deuteranopia (green-blind)
#F2DC65
Tritanopia (blue-blind)
#BBE5D0
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #b5ef5a;
/* rgb */ color: rgb(181, 239, 90);
/* oklch */ color: oklch(88.4% 0.187 127.9);
Tailwind
colors: {
  custom: {
    50: '#cff48f',
    500: '#b5ef5a',
    950: '#000000',
  },
}
SCSS
$custom: #b5ef5a;
$custom-light: #cff48f;
$custom-dark: #000000;
JSON
{
  "hex": "#b5ef5a",
  "rgb": {
    "r": 181,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 83.356,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.88371,
    "c": 0.18671,
    "h": 127.9
  },
  "luminance": 0.72295
}

Semantic roles & 50–950 ramp

primary
#B5EF5A
secondary
#6732BB
accent
#07DF5B
background
#FEFFFC
surface
#FBFEF4
border
#D4D6CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B5EF5A

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

Preview Lab → · Contrast checker → · Palette generator →

#B5EF5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva