#B3CF31#B3CF31

#B3CF31 is a light, vivid yellow-green. Relative luminance 0.544; OKLCH L 80.7% C 0.176 H 119.6°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX#B3CF31
RGBrgb(179, 207, 49)
HSLhsl(71, 62%, 50%)
HSVhsv(71, 76%, 81%)
CMYKcmyk(13.5%, 0%, 76.3%, 18.8%)
CIE-LABlab(78.71, -29.05, 69.51)
CIE-LCHlch(78.71, 75.34, 112.68°)
OKLaboklab(80.66% -0.0866 0.1528)
OKLCHoklch(80.66% 0.176 119.6)
XYZxyz(41.4585, 54.4313, 11.2274)
Luminance0.5443 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B3CF31 #4D31CF
analogous
#CF9C31 #B3CF31 #64CF31
triadic
#B3CF31 #31B3CF #CF31B3
tetradic
#B3CF31 #31CF9C #4D31CF #CF3164
square
#B3CF31 #31CF9C #4D31CF #CF3164
split-complementary
#B3CF31 #3164CF #9C31CF
monochromatic
#5E6C19 #899E25 #B3CF31 #C5DB63 #D8E694

Accessibility & contrast

On white

1.77
#B3CF31 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.89
#B3CF31 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3CF31
11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B3CF31#FFFFFF#000000##000000
##B3CF311.001.7711.8911.89
#FFFFFF1.771.0021.0021.00
#00000011.8921.001.001.00
##00000011.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCC302
Deuteranopia (green-blind)
#D9C340
Tritanopia (blue-blind)
#BEC4B2
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #b3cf31;
/* rgb */ color: rgb(179, 207, 49);
/* oklch */ color: oklch(80.7% 0.176 119.6);
Tailwind
colors: {
  custom: {
    50: '#cedd76',
    500: '#b3cf31',
    950: '#000000',
  },
}
SCSS
$custom: #b3cf31;
$custom-light: #cedd76;
$custom-dark: #000000;
JSON
{
  "hex": "#b3cf31",
  "rgb": {
    "r": 179,
    "g": 207,
    "b": 49
  },
  "hsl": {
    "h": 70.633,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.80658,
    "c": 0.17562,
    "h": 119.6
  },
  "luminance": 0.54431
}

Semantic roles & 50–950 ramp

primary
#B3CF31
secondary
#3B2E76
accent
#43E55F
background
#FEFEFB
surface
#FBFCF1
border
#D4D5CB
text
#141509
muted
#83847D

Preview Lab

Preview with #B3CF31

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

Preview Lab → · Contrast checker → · Palette generator →

#B3CF31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva