#B1CC37#B1CC37

#B1CC37 is a light, vivid yellow-green. Relative luminance 0.528; OKLCH L 79.9% C 0.170 H 119.5°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX#B1CC37
RGBrgb(177, 204, 55)
HSLhsl(71, 59%, 51%)
HSVhsv(71, 73%, 80%)
CMYKcmyk(13.2%, 0%, 73%, 20%)
CIE-LABlab(77.76, -28.16, 66.64)
CIE-LCHlch(77.76, 72.34, 112.91°)
OKLaboklab(79.87% -0.0836 0.1477)
OKLCHoklch(79.87% 0.17 119.5)
XYZxyz(40.4147, 52.8089, 11.6777)
Luminance0.5281 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1CC37 #5237CC
analogous
#CC9C37 #B1CC37 #67CC37
triadic
#B1CC37 #37B1CC #CC37B1
tetradic
#B1CC37 #37CC9C #5237CC #CC3767
square
#B1CC37 #37CC9C #5237CC #CC3767
split-complementary
#B1CC37 #3767CC #9C37CC
monochromatic
#5E6D1C #889E28 #B1CC37 #C4D868 #D7E599

Accessibility & contrast

On white

1.82
#B1CC37 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.56
#B1CC37 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CC37
11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1CC37#FFFFFF#000000##000000
##B1CC371.001.8211.5611.56
#FFFFFF1.821.0021.0021.00
#00000011.5621.001.001.00
##00000011.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C019
Deuteranopia (green-blind)
#D6C144
Tritanopia (blue-blind)
#BBC1AF
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #b1cc37;
/* rgb */ color: rgb(177, 204, 55);
/* oklch */ color: oklch(79.9% 0.170 119.5);
Tailwind
colors: {
  custom: {
    50: '#ccdb78',
    500: '#b1cc37',
    950: '#000000',
  },
}
SCSS
$custom: #b1cc37;
$custom-light: #ccdb78;
$custom-dark: #000000;
JSON
{
  "hex": "#b1cc37",
  "rgb": {
    "r": 177,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 70.872,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.79867,
    "c": 0.16976,
    "h": 119.5
  },
  "luminance": 0.52809
}

Semantic roles & 50–950 ramp

primary
#B1CC37
secondary
#3D3176
accent
#45E362
background
#FEFEFB
surface
#FBFBF2
border
#D4D4CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B1CC37

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

Preview Lab → · Contrast checker → · Palette generator →

#B1CC37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva