#B5F459#B5F459

#B5F459 is a very light, vivid yellow-green. Relative luminance 0.752; OKLCH L 89.5% C 0.194 H 128.6°. Best body text is #000000 at 16.05:1 contrast (WCAG AA passes).

Color values

HEX#B5F459
RGBrgb(181, 244, 89)
HSLhsl(84, 88%, 65%)
HSVhsv(84, 64%, 96%)
CMYKcmyk(25.8%, 0%, 63.5%, 4.3%)
CIE-LABlab(89.51, -42.69, 66.05)
CIE-LCHlch(89.51, 78.64, 122.88°)
OKLaboklab(89.5% -0.121 0.1513)
OKLCHoklch(89.5% 0.194 128.6)
XYZxyz(53.2097, 75.2452, 21.1696)
Luminance0.7525 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5F459 #9859F4
analogous
#F4E559 #B5F459 #67F459
triadic
#B5F459 #59B5F4 #F459B5
tetradic
#B5F459 #59F4E5 #9859F4 #F45967
square
#B5F459 #59F4E5 #9859F4 #F45967
split-complementary
#B5F459 #5967F4 #E559F4
monochromatic
#7BC60D #9BF020 #B5F459 #CFF892 #E8FCCC

Accessibility & contrast

On white

1.31
#B5F459 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.05
#B5F459 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5F459
16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5F459#FFFFFF#000000##000000
##B5F4591.001.3116.0516.05
#FFFFFF1.311.0021.0021.00
#00000016.0521.001.001.00
##00000016.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE445
Deuteranopia (green-blind)
#F6E065
Tritanopia (blue-blind)
#BAEAD4
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #b5f459;
/* rgb */ color: rgb(181, 244, 89);
/* oklch */ color: oklch(89.5% 0.194 128.6);
Tailwind
colors: {
  custom: {
    50: '#cff88e',
    500: '#b5f459',
    950: '#000000',
  },
}
SCSS
$custom: #b5f459;
$custom-light: #cff88e;
$custom-dark: #000000;
JSON
{
  "hex": "#b5f459",
  "rgb": {
    "r": 181,
    "g": 244,
    "b": 89
  },
  "hsl": {
    "h": 84.387,
    "s": 87.571,
    "l": 65.294
  },
  "oklch": {
    "l": 0.89501,
    "c": 0.19371,
    "h": 128.6
  },
  "luminance": 0.75246
}

Semantic roles & 50–950 ramp

primary
#B5F459
secondary
#6B2FC3
accent
#01E45E
background
#FEFFFC
surface
#FBFFF4
border
#D4D7CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B5F459

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

Preview Lab → · Contrast checker → · Palette generator →

#B5F459 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva