#B5D538#B5D538

#B5D538 is a very light, vivid yellow-green. Relative luminance 0.577; OKLCH L 82.2% C 0.178 H 120.7°. Best body text is #000000 at 12.54:1 contrast (WCAG AA passes).

Color values

HEX#B5D538
RGBrgb(181, 213, 56)
HSLhsl(72, 65%, 53%)
HSVhsv(72, 74%, 84%)
CMYKcmyk(15%, 0%, 73.7%, 16.5%)
CIE-LABlab(80.57, -30.74, 69.08)
CIE-LCHlch(80.57, 75.62, 113.99°)
OKLaboklab(82.2% -0.0909 0.153)
OKLCHoklch(82.2% 0.178 120.7)
XYZxyz(43.5649, 57.6979, 12.5824)
Luminance0.5770 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5D538 #5838D5
analogous
#D5A638 #B5D538 #67D538
triadic
#B5D538 #38B5D5 #D538B5
tetradic
#B5D538 #38D5A6 #5838D5 #D53867
square
#B5D538 #38D5A6 #5838D5 #D53867
split-complementary
#B5D538 #3867D5 #A638D5
monochromatic
#66791A #90AC24 #B5D538 #C8E06B #DBEA9D

Accessibility & contrast

On white

1.67
#B5D538 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.54
#B5D538 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D538
12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5D538#FFFFFF#000000##000000
##B5D5381.001.6712.5412.54
#FFFFFF1.671.0021.0021.00
#00000012.5421.001.001.00
##00000012.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C816
Deuteranopia (green-blind)
#DEC846
Tritanopia (blue-blind)
#BFCAB7
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #b5d538;
/* rgb */ color: rgb(181, 213, 56);
/* oklch */ color: oklch(82.2% 0.178 120.7);
Tailwind
colors: {
  custom: {
    50: '#cfe27a',
    500: '#b5d538',
    950: '#000000',
  },
}
SCSS
$custom: #b5d538;
$custom-light: #cfe27a;
$custom-dark: #000000;
JSON
{
  "hex": "#b5d538",
  "rgb": {
    "r": 181,
    "g": 213,
    "b": 56
  },
  "hsl": {
    "h": 72.229,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.82202,
    "c": 0.1779,
    "h": 120.7
  },
  "luminance": 0.57698
}

Semantic roles & 50–950 ramp

primary
#B5D538
secondary
#413081
accent
#40E862
background
#FEFEFB
surface
#FBFCF2
border
#D4D5CC
text
#14150A
muted
#83847D

Preview Lab

Preview with #B5D538

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

Preview Lab → · Contrast checker → · Palette generator →

#B5D538 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva