#B1CB39#B1CB39

#B1CB39 is a light, vivid yellow-green. Relative luminance 0.524; OKLCH L 79.7% C 0.167 H 119.3°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX#B1CB39
RGBrgb(177, 203, 57)
HSLhsl(71, 58%, 51%)
HSVhsv(71, 72%, 80%)
CMYKcmyk(12.8%, 0%, 71.9%, 20.4%)
CIE-LABlab(77.49, -27.58, 65.69)
CIE-LCHlch(77.49, 71.24, 112.78°)
OKLaboklab(79.65% -0.0819 0.1461)
OKLCHoklch(79.65% 0.167 119.3)
XYZxyz(40.2267, 52.3546, 11.8564)
Luminance0.5235 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1CB39 #5339CB
analogous
#CB9C39 #B1CB39 #68CB39
triadic
#B1CB39 #39B1CB #CB39B1
tetradic
#B1CB39 #39CB9C #5339CB #CB3968
square
#B1CB39 #39CB9C #5339CB #CB3968
split-complementary
#B1CB39 #3968CB #9C39CB
monochromatic
#5F6D1D #899D29 #B1CB39 #C4D869 #D7E49A

Accessibility & contrast

On white

1.83
#B1CB39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.47
#B1CB39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1CB39
11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1CB39#FFFFFF#000000##000000
##B1CB391.001.8311.4711.47
#FFFFFF1.831.0021.0021.00
#00000011.4721.001.001.00
##00000011.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D8BF1D
Deuteranopia (green-blind)
#D5C045
Tritanopia (blue-blind)
#BBC0AF
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #b1cb39;
/* rgb */ color: rgb(177, 203, 57);
/* oklch */ color: oklch(79.7% 0.167 119.3);
Tailwind
colors: {
  custom: {
    50: '#ccda79',
    500: '#b1cb39',
    950: '#000000',
  },
}
SCSS
$custom: #b1cb39;
$custom-light: #ccda79;
$custom-dark: #000000;
JSON
{
  "hex": "#b1cb39",
  "rgb": {
    "r": 177,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 70.685,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.79654,
    "c": 0.16745,
    "h": 119.3
  },
  "luminance": 0.52354
}

Semantic roles & 50–950 ramp

primary
#B1CB39
secondary
#3E3276
accent
#46E262
background
#FEFEFB
surface
#FBFBF2
border
#D4D4CC
text
#14140A
muted
#83837D

Preview Lab

Preview with #B1CB39

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

Preview Lab → · Contrast checker → · Palette generator →

#B1CB39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva