#B9CF33#B9CF33

#B9CF33 is a light, vivid yellow. Relative luminance 0.552; OKLCH L 81.1% C 0.172 H 117.6°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX#B9CF33
RGBrgb(185, 207, 51)
HSLhsl(68, 62%, 51%)
HSVhsv(68, 75%, 81%)
CMYKcmyk(10.6%, 0%, 75.4%, 18.8%)
CIE-LABlab(79.14, -26.51, 69.45)
CIE-LCHlch(79.14, 74.33, 110.89°)
OKLaboklab(81.12% -0.0798 0.1528)
OKLCHoklch(81.12% 0.172 117.6)
XYZxyz(42.9190, 55.1794, 11.5211)
Luminance0.5518 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B9CF33 #4933CF
analogous
#CF9733 #B9CF33 #6BCF33
triadic
#B9CF33 #33B9CF #CF33B9
tetradic
#B9CF33 #33CF97 #4933CF #CF336B
square
#B9CF33 #33CF97 #4933CF #CF336B
split-complementary
#B9CF33 #336BCF #9733CF
monochromatic
#626E1A #8E9F25 #B9CF33 #CADB65 #DBE696

Accessibility & contrast

On white

1.74
#B9CF33 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.04
#B9CF33 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B9CF33
12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B9CF33#FFFFFF#000000##000000
##B9CF331.001.7412.0412.04
#FFFFFF1.741.0021.0021.00
#00000012.0421.001.001.00
##00000012.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDC40A
Deuteranopia (green-blind)
#DBC541
Tritanopia (blue-blind)
#C5C3B2
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #b9cf33;
/* rgb */ color: rgb(185, 207, 51);
/* oklch */ color: oklch(81.1% 0.172 117.6);
Tailwind
colors: {
  custom: {
    50: '#d2dd77',
    500: '#b9cf33',
    950: '#000000',
  },
}
SCSS
$custom: #b9cf33;
$custom-light: #d2dd77;
$custom-dark: #000000;
JSON
{
  "hex": "#b9cf33",
  "rgb": {
    "r": 185,
    "g": 207,
    "b": 51
  },
  "hsl": {
    "h": 68.462,
    "s": 61.905,
    "l": 50.588
  },
  "oklch": {
    "l": 0.81115,
    "c": 0.17237,
    "h": 117.6
  },
  "luminance": 0.55179
}

Semantic roles & 50–950 ramp

primary
#B9CF33
secondary
#392F77
accent
#43E55A
background
#FEFEFB
surface
#FBFCF1
border
#D4D5CB
text
#151509
muted
#84847D

Preview Lab

Preview with #B9CF33

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

Preview Lab → · Contrast checker → · Palette generator →

#B9CF33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva