#B4F251#B4F251

#B4F251 is a very light, vivid yellow-green. Relative luminance 0.738; OKLCH L 88.9% C 0.197 H 128.1°. Best body text is #000000 at 15.76:1 contrast (WCAG AA passes).

Color values

HEX#B4F251
RGBrgb(180, 242, 81)
HSLhsl(83, 86%, 63%)
HSVhsv(83, 67%, 95%)
CMYKcmyk(25.6%, 0%, 66.5%, 5.1%)
CIE-LABlab(88.83, -42.75, 68.42)
CIE-LCHlch(88.83, 80.68, 122.00°)
OKLaboklab(88.92% -0.1217 0.1553)
OKLCHoklch(88.92% 0.197 128.1)
XYZxyz(52.0597, 73.8005, 19.2851)
Luminance0.7380 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4F251 #8F51F2
analogous
#F2E051 #B4F251 #63F251
triadic
#B4F251 #51B4F2 #F251B4
tetradic
#B4F251 #51F2E0 #8F51F2 #F25163
square
#B4F251 #51F2E0 #8F51F2 #F25163
split-complementary
#B4F251 #5163F2 #E051F2
monochromatic
#78BB0E #9BEE18 #B4F251 #CDF68A #E5FBC3

Accessibility & contrast

On white

1.33
#B4F251 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.76
#B4F251 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4F251
15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4F251#FFFFFF#000000##000000
##B4F2511.001.3315.7615.76
#FFFFFF1.331.0021.0021.00
#00000015.7621.001.001.00
##00000015.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE23A
Deuteranopia (green-blind)
#F5DE5E
Tritanopia (blue-blind)
#BAE7D2
Achromatopsia (no color)
#DFDFDF

Design tokens & code

CSS
--color: #b4f251;
/* rgb */ color: rgb(180, 242, 81);
/* oklch */ color: oklch(88.9% 0.197 128.1);
Tailwind
colors: {
  custom: {
    50: '#cef68a',
    500: '#b4f251',
    950: '#000000',
  },
}
SCSS
$custom: #b4f251;
$custom-light: #cef68a;
$custom-dark: #000000;
JSON
{
  "hex": "#b4f251",
  "rgb": {
    "r": 180,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 83.106,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88916,
    "c": 0.19731,
    "h": 128.1
  },
  "luminance": 0.73802
}

Semantic roles & 50–950 ramp

primary
#B4F251
secondary
#642EB9
accent
#03E359
background
#FEFFFC
surface
#FBFEF4
border
#D4D6CE
text
#14170C
muted
#83857F

Preview Lab

Preview with #B4F251

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

Preview Lab → · Contrast checker → · Palette generator →

#B4F251 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva