#B1CD39#B1CD39

#B1CD39 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 80.1% C 0.170 H 119.8°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX#B1CD39
RGBrgb(177, 205, 57)
HSLhsl(71, 60%, 51%)
HSVhsv(71, 72%, 80%)
CMYKcmyk(13.7%, 0%, 72.2%, 19.6%)
CIE-LABlab(78.05, -28.54, 66.23)
CIE-LCHlch(78.05, 72.12, 113.31°)
OKLaboklab(80.11% -0.0845 0.1472)
OKLCHoklch(80.11% 0.17 119.8)
XYZxyz(40.7021, 53.3053, 12.0148)
Luminance0.5331 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1CD39 #5539CD
analogous
#CD9F39 #B1CD39 #67CD39
triadic
#B1CD39 #39B1CD #CD39B1
tetradic
#B1CD39 #39CD9F #5539CD #CD3967
square
#B1CD39 #39CD9F #5539CD #CD3967
split-complementary
#B1CD39 #3967CD #9F39CD
monochromatic
#606F1C #8AA028 #B1CD39 #C4D96A #D7E69B

Accessibility & contrast

On white

1.80
#B1CD39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.66
#B1CD39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CD39
11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1CD39#FFFFFF#000000##000000
##B1CD391.001.8011.6611.66
#FFFFFF1.801.0021.0021.00
#00000011.6621.001.001.00
##00000011.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DAC11D
Deuteranopia (green-blind)
#D7C146
Tritanopia (blue-blind)
#BBC2B0
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #b1cd39;
/* rgb */ color: rgb(177, 205, 57);
/* oklch */ color: oklch(80.1% 0.170 119.8);
Tailwind
colors: {
  custom: {
    50: '#ccdc79',
    500: '#b1cd39',
    950: '#000000',
  },
}
SCSS
$custom: #b1cd39;
$custom-light: #ccdc79;
$custom-dark: #000000;
JSON
{
  "hex": "#b1cd39",
  "rgb": {
    "r": 177,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 71.351,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.80107,
    "c": 0.16975,
    "h": 119.8
  },
  "luminance": 0.53305
}

Semantic roles & 50–950 ramp

primary
#B1CD39
secondary
#3F3279
accent
#45E363
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B1CD39

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

Preview Lab → · Contrast checker → · Palette generator →

#B1CD39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva