#B4BF39#B4BF39

#B4BF39 is a light, vivid yellow. Relative luminance 0.473; OKLCH L 77.2% C 0.153 H 114.1°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX#B4BF39
RGBrgb(180, 191, 57)
HSLhsl(65, 54%, 49%)
HSVhsv(65, 70%, 75%)
CMYKcmyk(5.8%, 0%, 70.2%, 25.1%)
CIE-LABlab(74.36, -20.50, 62.69)
CIE-LCHlch(74.36, 65.96, 108.11°)
OKLaboklab(77.19% -0.0624 0.1397)
OKLCHoklch(77.19% 0.153 114.1)
XYZxyz(38.1928, 47.2610, 10.9805)
Luminance0.4726 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4BF39 #4439BF
analogous
#BF8739 #B4BF39 #71BF39
triadic
#B4BF39 #39B4BF #BF39B4
tetradic
#B4BF39 #39BF87 #4439BF #BF3971
square
#B4BF39 #39BF87 #4439BF #BF3971
split-complementary
#B4BF39 #3971BF #8739BF
monochromatic
#5B611D #88902B #B4BF39 #C8D164 #D9DF93

Accessibility & contrast

On white

2.01
#B4BF39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.45
#B4BF39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4BF39
10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4BF39#FFFFFF#000000##000000
##B4BF391.002.0110.4510.45
#FFFFFF2.011.0021.0021.00
#00000010.4521.001.001.00
##00000010.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDB622
Deuteranopia (green-blind)
#CCB843
Tritanopia (blue-blind)
#C0B4A5
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #b4bf39;
/* rgb */ color: rgb(180, 191, 57);
/* oklch */ color: oklch(77.2% 0.153 114.1);
Tailwind
colors: {
  custom: {
    50: '#ced278',
    500: '#b4bf39',
    950: '#000000',
  },
}
SCSS
$custom: #b4bf39;
$custom-light: #ced278;
$custom-dark: #000000;
JSON
{
  "hex": "#b4bf39",
  "rgb": {
    "r": 180,
    "g": 191,
    "b": 57
  },
  "hsl": {
    "h": 64.925,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.7719,
    "c": 0.15299,
    "h": 114.1
  },
  "luminance": 0.4726
}

Semantic roles & 50–950 ramp

primary
#B4BF39
secondary
#8F8ACA
accent
#4ADD56
background
#FDFCF7
surface
#FAF9EE
border
#D3D2C9
text
#141409
muted
#83827B

Preview Lab

Preview with #B4BF39

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

Preview Lab → · Contrast checker → · Palette generator →

#B4BF39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva