#B4D539#B4D539

#B4D539 is a very light, vivid yellow-green. Relative luminance 0.576; OKLCH L 82.1% C 0.178 H 121.1°. Best body text is #000000 at 12.52:1 contrast (WCAG AA passes).

Color values

HEX#B4D539
RGBrgb(180, 213, 57)
HSLhsl(73, 65%, 53%)
HSVhsv(73, 73%, 84%)
CMYKcmyk(15.5%, 0%, 73.2%, 16.5%)
CIE-LABlab(80.51, -31.09, 68.67)
CIE-LCHlch(80.51, 75.38, 114.36°)
OKLaboklab(82.14% -0.0917 0.1523)
OKLCHoklch(82.14% 0.178 121.1)
XYZxyz(43.3559, 57.5873, 12.7015)
Luminance0.5759 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4D539 #5A39D5
analogous
#D5A839 #B4D539 #66D539
triadic
#B4D539 #39B4D5 #D539B4
tetradic
#B4D539 #39D5A8 #5A39D5 #D53966
square
#B4D539 #39D5A8 #5A39D5 #D53966
split-complementary
#B4D539 #3966D5 #A839D5
monochromatic
#657A1A #90AC25 #B4D539 #C7E06B #DAEA9E

Accessibility & contrast

On white

1.68
#B4D539 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.52
#B4D539 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D539
12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4D539#FFFFFF#000000##000000
##B4D5391.001.6812.5212.52
#FFFFFF1.681.0021.0021.00
#00000012.5221.001.001.00
##00000012.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C818
Deuteranopia (green-blind)
#DEC847
Tritanopia (blue-blind)
#BECAB7
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #b4d539;
/* rgb */ color: rgb(180, 213, 57);
/* oklch */ color: oklch(82.1% 0.178 121.1);
Tailwind
colors: {
  custom: {
    50: '#cee27a',
    500: '#b4d539',
    950: '#000000',
  },
}
SCSS
$custom: #b4d539;
$custom-light: #cee27a;
$custom-dark: #000000;
JSON
{
  "hex": "#b4d539",
  "rgb": {
    "r": 180,
    "g": 213,
    "b": 57
  },
  "hsl": {
    "h": 72.692,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.82137,
    "c": 0.17774,
    "h": 121.1
  },
  "luminance": 0.57587
}

Semantic roles & 50–950 ramp

primary
#B4D539
secondary
#423182
accent
#40E863
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B4D539

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

Preview Lab → · Contrast checker → · Palette generator →

#B4D539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva