#B1E449#B1E449

#B1E449 is a very light, vivid yellow-green. Relative luminance 0.653; OKLCH L 85.5% C 0.187 H 125.9°. Best body text is #000000 at 14.06:1 contrast (WCAG AA passes).

Color values

HEX#B1E449
RGBrgb(177, 228, 73)
HSLhsl(80, 74%, 59%)
HSVhsv(80, 68%, 89%)
CMYKcmyk(22.4%, 0%, 68%, 10.6%)
CIE-LABlab(84.65, -38.21, 67.05)
CIE-LCHlch(84.65, 77.18, 119.68°)
OKLaboklab(85.46% -0.1098 0.1514)
OKLCHoklch(85.46% 0.187 125.9)
XYZxyz(47.0777, 65.3143, 16.4287)
Luminance0.6532 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1E449 #7C49E4
analogous
#E4CA49 #B1E449 #64E449
triadic
#B1E449 #49B1E4 #E449B1
tetradic
#B1E449 #49E4CA #7C49E4 #E44964
square
#B1E449 #49E4CA #7C49E4 #E44964
split-complementary
#B1E449 #4964E4 #CA49E4
monochromatic
#709C17 #96D11F #B1E449 #C8EC7E #DFF4B4

Accessibility & contrast

On white

1.49
#B1E449 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.06
#B1E449 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E449
14.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1E449#FFFFFF#000000##000000
##B1E4491.001.4914.0614.06
#FFFFFF1.491.0021.0021.00
#00000014.0621.001.001.00
##00000014.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#F0D531
Deuteranopia (green-blind)
#E9D356
Tritanopia (blue-blind)
#B8DAC5
Achromatopsia (no color)
#D3D3D3

Design tokens & code

CSS
--color: #b1e449;
/* rgb */ color: rgb(177, 228, 73);
/* oklch */ color: oklch(85.5% 0.187 125.9);
Tailwind
colors: {
  custom: {
    50: '#ccec84',
    500: '#b1e449',
    950: '#000000',
  },
}
SCSS
$custom: #b1e449;
$custom-light: #ccec84;
$custom-dark: #000000;
JSON
{
  "hex": "#b1e449",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 73
  },
  "hsl": {
    "h": 79.742,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.85462,
    "c": 0.18698,
    "h": 125.9
  },
  "luminance": 0.65315
}

Semantic roles & 50–950 ramp

primary
#B1E449
secondary
#56329F
accent
#37F174
background
#FEFEFB
surface
#FBFDF2
border
#D4D5CC
text
#14160B
muted
#83847E

Preview Lab

Preview with #B1E449

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

Preview Lab → · Contrast checker → · Palette generator →

#B1E449 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva