#B1EF61#B1EF61

#B1EF61 is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.2% C 0.183 H 129.4°. Best body text is #000000 at 15.39:1 contrast (WCAG AA passes).

Color values

HEX#B1EF61
RGBrgb(177, 239, 97)
HSLhsl(86, 82%, 66%)
HSVhsv(86, 59%, 94%)
CMYKcmyk(25.9%, 0%, 59.4%, 6.3%)
CIE-LABlab(87.94, -41.31, 60.97)
CIE-LCHlch(87.94, 73.65, 124.12°)
OKLaboklab(88.19% -0.1163 0.1415)
OKLCHoklch(88.19% 0.183 129.4)
XYZxyz(51.1553, 71.9420, 22.4980)
Luminance0.7194 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1EF61 #9F61EF
analogous
#EFE661 #B1EF61 #6AEF61
triadic
#B1EF61 #61B1EF #EF61B1
tetradic
#B1EF61 #61EFE6 #9F61EF #EF616A
square
#B1EF61 #61EFE6 #9F61EF #EF616A
split-complementary
#B1EF61 #616AEF #E661EF
monochromatic
#76C214 #96E929 #B1EF61 #CCF599 #E8FAD0

Accessibility & contrast

On white

1.36
#B1EF61 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.39
#B1EF61 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF61
15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1EF61#FFFFFF#000000##000000
##B1EF611.001.3615.3915.39
#FFFFFF1.361.0021.0021.00
#00000015.3921.001.001.00
##00000015.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#F9DF51
Deuteranopia (green-blind)
#F1DB6B
Tritanopia (blue-blind)
#B5E5D1
Achromatopsia (no color)
#DDDDDD

Design tokens & code

CSS
--color: #b1ef61;
/* rgb */ color: rgb(177, 239, 97);
/* oklch */ color: oklch(88.2% 0.183 129.4);
Tailwind
colors: {
  custom: {
    50: '#ccf493',
    500: '#b1ef61',
    950: '#000000',
  },
}
SCSS
$custom: #b1ef61;
$custom-light: #ccf493;
$custom-dark: #000000;
JSON
{
  "hex": "#b1ef61",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 86.197,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88193,
    "c": 0.18314,
    "h": 129.4
  },
  "luminance": 0.71943
}

Semantic roles & 50–950 ramp

primary
#B1EF61
secondary
#7134C0
accent
#08DE65
background
#FEFFFC
surface
#FBFEF4
border
#D4D6CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B1EF61

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

Preview Lab → · Contrast checker → · Palette generator →

#B1EF61 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva