#B1E251#B1E251

#B1E251 is a very light, vivid yellow-green. Relative luminance 0.643; OKLCH L 85.1% C 0.179 H 126.0°. Best body text is #000000 at 13.87:1 contrast (WCAG AA passes).

Color values

HEX#B1E251
RGBrgb(177, 226, 81)
HSLhsl(80, 71%, 60%)
HSVhsv(80, 64%, 89%)
CMYKcmyk(21.7%, 0%, 64.2%, 11.4%)
CIE-LABlab(84.14, -36.77, 63.43)
CIE-LCHlch(84.14, 73.32, 120.10°)
OKLaboklab(85.07% -0.1051 0.1448)
OKLCHoklch(85.07% 0.179 126)
XYZxyz(46.8132, 64.3333, 17.7342)
Luminance0.6433 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1E251 #8251E2
analogous
#E2CB51 #B1E251 #68E251
triadic
#B1E251 #51B1E2 #E251B1
tetradic
#B1E251 #51E2CB #8251E2 #E25168
square
#B1E251 #51E2CB #8251E2 #E25168
split-complementary
#B1E251 #5168E2 #CB51E2
monochromatic
#729E1A #97D323 #B1E251 #C9EB85 #E0F3BA

Accessibility & contrast

On white

1.51
#B1E251 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.87
#B1E251 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E251
13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1E251#FFFFFF#000000##000000
##B1E2511.001.5113.8713.87
#FFFFFF1.511.0021.0021.00
#00000013.8721.001.001.00
##00000013.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#EDD43E
Deuteranopia (green-blind)
#E7D15C
Tritanopia (blue-blind)
#B8D8C4
Achromatopsia (no color)
#D2D2D2

Design tokens & code

CSS
--color: #b1e251;
/* rgb */ color: rgb(177, 226, 81);
/* oklch */ color: oklch(85.1% 0.179 126.0);
Tailwind
colors: {
  custom: {
    50: '#cceb88',
    500: '#b1e251',
    950: '#000000',
  },
}
SCSS
$custom: #b1e251;
$custom-light: #cceb88;
$custom-dark: #000000;
JSON
{
  "hex": "#b1e251",
  "rgb": {
    "r": 177,
    "g": 226,
    "b": 81
  },
  "hsl": {
    "h": 80.276,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.85071,
    "c": 0.17895,
    "h": 126
  },
  "luminance": 0.64334
}

Semantic roles & 50–950 ramp

primary
#B1E251
secondary
#5A36A1
accent
#12D353
background
#FEFEFC
surface
#FBFDF4
border
#D4D5CE
text
#14160C
muted
#83847F

Preview Lab

Preview with #B1E251

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

Preview Lab → · Contrast checker → · Palette generator →

#B1E251 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva