#B1F35B#B1F35B

#B1F35B is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.0% C 0.193 H 129.6°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX#B1F35B
RGBrgb(177, 243, 91)
HSLhsl(86, 86%, 65%)
HSVhsv(86, 63%, 95%)
CMYKcmyk(27.2%, 0%, 62.6%, 4.7%)
CIE-LABlab(89.02, -43.54, 64.65)
CIE-LCHlch(89.02, 77.94, 123.96°)
OKLaboklab(89.05% -0.1229 0.1486)
OKLCHoklch(89.05% 0.193 129.6)
XYZxyz(52.0701, 74.2023, 21.4746)
Luminance0.7420 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1F35B #9D5BF3
analogous
#F3E95B #B1F35B #65F35B
triadic
#B1F35B #5BB1F3 #F35BB1
tetradic
#B1F35B #5BF3E9 #9D5BF3 #F35B65
square
#B1F35B #5BF3E9 #9D5BF3 #F35B65
split-complementary
#B1F35B #5B65F3 #E95BF3
monochromatic
#76C50E #96EF22 #B1F35B #CCF794 #E7FBCD

Accessibility & contrast

On white

1.33
#B1F35B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.84
#B1F35B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F35B
15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1F35B#FFFFFF#000000##000000
##B1F35B1.001.3315.8415.84
#FFFFFF1.331.0021.0021.00
#00000015.8421.001.001.00
##00000015.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FEE348
Deuteranopia (green-blind)
#F5DE67
Tritanopia (blue-blind)
#B5E9D3
Achromatopsia (no color)
#E0E0E0

Design tokens & code

CSS
--color: #b1f35b;
/* rgb */ color: rgb(177, 243, 91);
/* oklch */ color: oklch(89.0% 0.193 129.6);
Tailwind
colors: {
  custom: {
    50: '#ccf78f',
    500: '#b1f35b',
    950: '#000000',
  },
}
SCSS
$custom: #b1f35b;
$custom-light: #ccf78f;
$custom-dark: #000000;
JSON
{
  "hex": "#b1f35b",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 91
  },
  "hsl": {
    "h": 86.053,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.8905,
    "c": 0.19287,
    "h": 129.6
  },
  "luminance": 0.74204
}

Semantic roles & 50–950 ramp

primary
#B1F35B
secondary
#6F30C2
accent
#03E364
background
#FEFFFC
surface
#FBFFF4
border
#D4D7CE
text
#14170D
muted
#83857F

Preview Lab

Preview with #B1F35B

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

Preview Lab → · Contrast checker → · Palette generator →

#B1F35B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva