#B1E45B#B1E45B

#B1E45B is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.174 H 127.0°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX#B1E45B
RGBrgb(177, 228, 91)
HSLhsl(82, 72%, 63%)
HSVhsv(82, 60%, 89%)
CMYKcmyk(22.4%, 0%, 60.1%, 10.6%)
CIE-LABlab(84.79, -36.91, 60.01)
CIE-LCHlch(84.79, 70.45, 121.59°)
OKLaboklab(85.62% -0.1046 0.1388)
OKLCHoklch(85.62% 0.174 127)
XYZxyz(47.7632, 65.5885, 20.0390)
Luminance0.6559 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1E45B #8E5BE4
analogous
#E4D35B #B1E45B #6CE45B
triadic
#B1E45B #5BB1E4 #E45BB1
tetradic
#B1E45B #5BE4D3 #8E5BE4 #E45B6C
square
#B1E45B #5BE4D3 #8E5BE4 #E45B6C
split-complementary
#B1E45B #5B6CE4 #D35BE4
monochromatic
#74A91C #98DB26 #B1E45B #CAED90 #E3F5C4

Accessibility & contrast

On white

1.49
#B1E45B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.12
#B1E45B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E45B
14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1E45B#FFFFFF#000000##000000
##B1E45B1.001.4914.1214.12
#FFFFFF1.491.0021.0021.00
#00000014.1221.001.001.00
##00000014.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#EFD64B
Deuteranopia (green-blind)
#E8D365
Tritanopia (blue-blind)
#B7DAC7
Achromatopsia (no color)
#D4D4D4

Design tokens & code

CSS
--color: #b1e45b;
/* rgb */ color: rgb(177, 228, 91);
/* oklch */ color: oklch(85.6% 0.174 127.0);
Tailwind
colors: {
  custom: {
    50: '#cbec8e',
    500: '#b1e45b',
    950: '#000000',
  },
}
SCSS
$custom: #b1e45b;
$custom-light: #cbec8e;
$custom-dark: #000000;
JSON
{
  "hex": "#b1e45b",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 82.336,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85621,
    "c": 0.1738,
    "h": 127
  },
  "luminance": 0.65589
}

Semantic roles & 50–950 ramp

primary
#B1E45B
secondary
#6339AB
accent
#12D45A
background
#FEFEFC
surface
#FBFDF4
border
#D4D5CE
text
#14160D
muted
#83847F

Preview Lab

Preview with #B1E45B

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

Preview Lab → · Contrast checker → · Palette generator →

#B1E45B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva