#B3EF59#B3EF59

#B3EF59 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.2% C 0.188 H 128.3°. Best body text is #000000 at 15.41:1 contrast (WCAG AA passes).

Color values

HEX#B3EF59
RGBrgb(179, 239, 89)
HSLhsl(84, 82%, 64%)
HSVhsv(84, 63%, 94%)
CMYKcmyk(25.1%, 0%, 62.8%, 6.3%)
CIE-LABlab(87.99, -41.23, 64.37)
CIE-LCHlch(87.99, 76.44, 122.64°)
OKLaboklab(88.24% -0.1168 0.1478)
OKLCHoklch(88.24% 0.188 128.3)
XYZxyz(51.2599, 72.0369, 20.6531)
Luminance0.7204 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3EF59 #9559EF
analogous
#EFE059 #B3EF59 #68EF59
triadic
#B3EF59 #59B3EF #EF59B3
tetradic
#B3EF59 #59EFE0 #9559EF #EF5968
square
#B3EF59 #59EFE0 #9559EF #EF5968
split-complementary
#B3EF59 #5968EF #E059EF
monochromatic
#78BC12 #99EA21 #B3EF59 #CDF491 #E6FAC9

Accessibility & contrast

On white

1.36
#B3EF59 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.41
#B3EF59 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3EF59
15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3EF59#FFFFFF#000000##000000
##B3EF591.001.3615.4115.41
#FFFFFF1.361.0021.0021.00
#00000015.4121.001.001.00
##00000015.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FADF46
Deuteranopia (green-blind)
#F2DB64
Tritanopia (blue-blind)
#B8E5D0
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #b3ef59;
/* rgb */ color: rgb(179, 239, 89);
/* oklch */ color: oklch(88.2% 0.188 128.3);
Tailwind
colors: {
  custom: {
    50: '#cdf48e',
    500: '#b3ef59',
    950: '#000000',
  },
}
SCSS
$custom: #b3ef59;
$custom-light: #cdf48e;
$custom-dark: #000000;
JSON
{
  "hex": "#b3ef59",
  "rgb": {
    "r": 179,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 84,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.88238,
    "c": 0.18839,
    "h": 128.3
  },
  "luminance": 0.72038
}

Semantic roles & 50–950 ramp

primary
#B3EF59
secondary
#6832BA
accent
#07DF5D
background
#FEFFFC
surface
#FBFEF4
border
#D4D6CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B3EF59

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

Preview Lab → · Contrast checker → · Palette generator →

#B3EF59 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva