#B1EF66#B1EF66

#B1EF66 is a very light, vivid yellow-green. Relative luminance 0.720; OKLCH L 88.2% C 0.179 H 129.8°. Best body text is #000000 at 15.41:1 contrast (WCAG AA passes).

Color values

HEX#B1EF66
RGBrgb(177, 239, 102)
HSLhsl(87, 81%, 67%)
HSVhsv(87, 57%, 94%)
CMYKcmyk(25.9%, 0%, 57.3%, 6.3%)
CIE-LABlab(87.99, -40.87, 58.87)
CIE-LCHlch(87.99, 71.67, 124.77°)
OKLaboklab(88.25% -0.1147 0.1375)
OKLCHoklch(88.25% 0.179 129.8)
XYZxyz(51.3958, 72.0382, 23.7647)
Luminance0.7204 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1EF66 #A466EF
analogous
#EFE866 #B1EF66 #6DEF66
triadic
#B1EF66 #66B1EF #EF66B1
tetradic
#B1EF66 #66EFE8 #A466EF #EF666D
square
#B1EF66 #66EFE8 #A466EF #EF666D
split-complementary
#B1EF66 #666DEF #E866EF
monochromatic
#76C615 #95E92F #B1EF66 #CDF59D #E9FBD5

Accessibility & contrast

On white

1.36
#B1EF66 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.41
#B1EF66 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF66
15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1EF66#FFFFFF#000000##000000
##B1EF661.001.3615.4115.41
#FFFFFF1.361.0021.0021.00
#00000015.4121.001.001.00
##00000015.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#F9E058
Deuteranopia (green-blind)
#F0DB70
Tritanopia (blue-blind)
#B5E6D1
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #b1ef66;
/* rgb */ color: rgb(177, 239, 102);
/* oklch */ color: oklch(88.2% 0.179 129.8);
Tailwind
colors: {
  custom: {
    50: '#cbf496',
    500: '#b1ef66',
    950: '#000000',
  },
}
SCSS
$custom: #b1ef66;
$custom-light: #cbf496;
$custom-dark: #000000;
JSON
{
  "hex": "#b1ef66",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 87.153,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.88246,
    "c": 0.17905,
    "h": 129.8
  },
  "luminance": 0.72039
}

Semantic roles & 50–950 ramp

primary
#B1EF66
secondary
#7636C3
accent
#08DD69
background
#FEFFFC
surface
#FBFEF5
border
#D4D6CF
text
#14170E
muted
#83857F

Preview Lab

Preview with #B1EF66

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

Preview Lab → · Contrast checker → · Palette generator →

#B1EF66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva