#B1CB34#B1CB34

#B1CB34 is a light, vivid yellow-green. Relative luminance 0.523; OKLCH L 79.6% C 0.170 H 119.1°. Best body text is #000000 at 11.46:1 contrast (WCAG AA passes).

Color values

HEX#B1CB34
RGBrgb(177, 203, 52)
HSLhsl(70, 59%, 50%)
HSVhsv(70, 74%, 80%)
CMYKcmyk(12.8%, 0%, 74.4%, 20.4%)
CIE-LABlab(77.46, -27.83, 67.35)
CIE-LCHlch(77.46, 72.87, 112.45°)
OKLaboklab(79.62% -0.0829 0.1488)
OKLCHoklch(79.62% 0.17 119.1)
XYZxyz(40.1081, 52.3072, 11.2315)
Luminance0.5231 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1CB34 #4E34CB
analogous
#CB9934 #B1CB34 #66CB34
triadic
#B1CB34 #34B1CB #CB34B1
tetradic
#B1CB34 #34CB99 #4E34CB #CB3466
square
#B1CB34 #34CB99 #4E34CB #CB3466
split-complementary
#B1CB34 #3466CB #9934CB
monochromatic
#5C6A1B #879A28 #B1CB34 #C4D765 #D6E495

Accessibility & contrast

On white

1.83
#B1CB34 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.46
#B1CB34 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CB34
11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1CB34#FFFFFF#000000##000000
##B1CB341.001.8311.4611.46
#FFFFFF1.831.0021.0021.00
#00000011.4621.001.001.00
##00000011.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8BF11
Deuteranopia (green-blind)
#D5C042
Tritanopia (blue-blind)
#BCC0AE
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #b1cb34;
/* rgb */ color: rgb(177, 203, 52);
/* oklch */ color: oklch(79.6% 0.170 119.1);
Tailwind
colors: {
  custom: {
    50: '#ccda77',
    500: '#b1cb34',
    950: '#000000',
  },
}
SCSS
$custom: #b1cb34;
$custom-light: #ccda77;
$custom-dark: #000000;
JSON
{
  "hex": "#b1cb34",
  "rgb": {
    "r": 177,
    "g": 203,
    "b": 52
  },
  "hsl": {
    "h": 70.331,
    "s": 59.216,
    "l": 50
  },
  "oklch": {
    "l": 0.79622,
    "c": 0.17032,
    "h": 119.1
  },
  "luminance": 0.52307
}

Semantic roles & 50–950 ramp

primary
#B1CB34
secondary
#3B3073
accent
#45E260
background
#FEFEFB
surface
#FBFBF1
border
#D4D4CB
text
#141409
muted
#83837D

Preview Lab

Preview with #B1CB34

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

Preview Lab → · Contrast checker → · Palette generator →

#B1CB34 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva