#B4C539#B4C539

#B4C539 is a light, vivid yellow. Relative luminance 0.499; OKLCH L 78.5% C 0.160 H 116.2°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX#B4C539
RGBrgb(180, 197, 57)
HSLhsl(67, 55%, 50%)
HSVhsv(67, 71%, 77%)
CMYKcmyk(8.6%, 0%, 71.1%, 22.7%)
CIE-LABlab(76.03, -23.45, 64.33)
CIE-LCHlch(76.03, 68.48, 110.03°)
OKLaboklab(78.53% -0.0706 0.1431)
OKLCHoklch(78.53% 0.16 116.2)
XYZxyz(39.5281, 49.9318, 11.4256)
Luminance0.4993 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4C539 #4A39C5
analogous
#C59039 #B4C539 #6EC539
triadic
#B4C539 #39B4C5 #C539B4
tetradic
#B4C539 #39C590 #4A39C5 #C5396E
square
#B4C539 #39C590 #4A39C5 #C5396E
split-complementary
#B4C539 #396EC5 #9039C5
monochromatic
#5D661E #89962B #B4C539 #C6D368 #D8E197

Accessibility & contrast

On white

1.91
#B4C539 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.99
#B4C539 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4C539
10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4C539#FFFFFF#000000##000000
##B4C5391.001.9110.9910.99
#FFFFFF1.911.0021.0021.00
#00000010.9921.001.001.00
##00000010.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3BB20
Deuteranopia (green-blind)
#D1BC44
Tritanopia (blue-blind)
#BFBAAA
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #b4c539;
/* rgb */ color: rgb(180, 197, 57);
/* oklch */ color: oklch(78.5% 0.160 116.2);
Tailwind
colors: {
  custom: {
    50: '#ced679',
    500: '#b4c539',
    950: '#000000',
  },
}
SCSS
$custom: #b4c539;
$custom-light: #ced679;
$custom-dark: #000000;
JSON
{
  "hex": "#b4c539",
  "rgb": {
    "r": 180,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 67.286,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.7853,
    "c": 0.1596,
    "h": 116.2
  },
  "luminance": 0.49931
}

Semantic roles & 50–950 ramp

primary
#B4C539
secondary
#958DCD
accent
#49DE5B
background
#FDFDF7
surface
#FAFAEE
border
#D3D3C9
text
#14140A
muted
#83837C

Preview Lab

Preview with #B4C539

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

Preview Lab → · Contrast checker → · Palette generator →

#B4C539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva