#B9F251#B9F251

#B9F251 is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 89.2% C 0.195 H 126.9°. Best body text is #000000 at 15.88:1 contrast (WCAG AA passes).

Color values

HEX#B9F251
RGBrgb(185, 242, 81)
HSLhsl(81, 86%, 63%)
HSVhsv(81, 67%, 95%)
CMYKcmyk(23.6%, 0%, 66.5%, 5.1%)
CIE-LABlab(89.12, -40.91, 68.81)
CIE-LCHlch(89.12, 80.05, 120.73°)
OKLaboklab(89.23% -0.117 0.156)
OKLCHoklch(89.23% 0.195 126.9)
XYZxyz(53.2450, 74.4117, 19.3407)
Luminance0.7441 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B9F251 #8A51F2
analogous
#F2DA51 #B9F251 #68F251
triadic
#B9F251 #51B9F2 #F251B9
tetradic
#B9F251 #51F2DA #8A51F2 #F25168
square
#B9F251 #51F2DA #8A51F2 #F25168
split-complementary
#B9F251 #5168F2 #DA51F2
monochromatic
#7EBB0E #A2EE18 #B9F251 #D0F68A #E7FBC3

Accessibility & contrast

On white

1.32
#B9F251 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.88
#B9F251 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9F251
15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B9F251#FFFFFF#000000##000000
##B9F2511.001.3215.8815.88
#FFFFFF1.321.0021.0021.00
#00000015.8821.001.001.00
##00000015.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE23A
Deuteranopia (green-blind)
#F6DF5E
Tritanopia (blue-blind)
#C0E7D2
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #b9f251;
/* rgb */ color: rgb(185, 242, 81);
/* oklch */ color: oklch(89.2% 0.195 126.9);
Tailwind
colors: {
  custom: {
    50: '#d2f68a',
    500: '#b9f251',
    950: '#000000',
  },
}
SCSS
$custom: #b9f251;
$custom-light: #d2f68a;
$custom-dark: #000000;
JSON
{
  "hex": "#b9f251",
  "rgb": {
    "r": 185,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 81.242,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.89225,
    "c": 0.195,
    "h": 126.9
  },
  "luminance": 0.74413
}

Semantic roles & 50–950 ramp

primary
#B9F251
secondary
#5F2EB9
accent
#03E352
background
#FEFFFC
surface
#FBFEF4
border
#D4D6CE
text
#14170C
muted
#83857F

Preview Lab

Preview with #B9F251

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

Preview Lab → · Contrast checker → · Palette generator →

#B9F251 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva