#B1DE4B#B1DE4B

#B1DE4B is a very light, vivid yellow-green. Relative luminance 0.621; OKLCH L 84.1% C 0.178 H 124.8°. Best body text is #000000 at 13.42:1 contrast (WCAG AA passes).

Color values

HEX#B1DE4B
RGBrgb(177, 222, 75)
HSLhsl(78, 69%, 58%)
HSVhsv(78, 66%, 87%)
CMYKcmyk(20.3%, 0%, 66.2%, 12.9%)
CIE-LABlab(82.97, -35.37, 64.56)
CIE-LCHlch(82.97, 73.61, 118.72°)
OKLaboklab(84.11% -0.1018 0.1464)
OKLCHoklch(84.11% 0.178 124.8)
XYZxyz(45.5230, 62.0972, 16.2429)
Luminance0.6210 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1DE4B #784BDE
analogous
#DEC14B #B1DE4B #67DE4B
triadic
#B1DE4B #4BB1DE #DE4BB1
tetradic
#B1DE4B #4BDEC1 #784BDE #DE4B67
square
#B1DE4B #4BDEC1 #784BDE #DE4B67
split-complementary
#B1DE4B #4B67DE #C14BDE
monochromatic
#6F941B #95C725 #B1DE4B #C7E77F #DEF1B2

Accessibility & contrast

On white

1.56
#B1DE4B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.42
#B1DE4B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DE4B
13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1DE4B#FFFFFF#000000##000000
##B1DE4B1.001.5613.4213.42
#FFFFFF1.561.0021.0021.00
#00000013.4221.001.001.00
##00000013.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#EAD036
Deuteranopia (green-blind)
#E4CE57
Tritanopia (blue-blind)
#B9D4C0
Achromatopsia (no color)
#CFCFCF

Design tokens & code

CSS
--color: #b1de4b;
/* rgb */ color: rgb(177, 222, 75);
/* oklch */ color: oklch(84.1% 0.178 124.8);
Tailwind
colors: {
  custom: {
    50: '#cce885',
    500: '#b1de4b',
    950: '#000000',
  },
}
SCSS
$custom: #b1de4b;
$custom-light: #cce885;
$custom-dark: #000000;
JSON
{
  "hex": "#b1de4b",
  "rgb": {
    "r": 177,
    "g": 222,
    "b": 75
  },
  "hsl": {
    "h": 78.367,
    "s": 69.014,
    "l": 58.235
  },
  "oklch": {
    "l": 0.84107,
    "c": 0.17831,
    "h": 124.8
  },
  "luminance": 0.62098
}

Semantic roles & 50–950 ramp

primary
#B1DE4B
secondary
#533598
accent
#3CEC72
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14160B
muted
#83847E

Preview Lab

Preview with #B1DE4B

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

Preview Lab → · Contrast checker → · Palette generator →

#B1DE4B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva