#B5DF40#B5DF40

#B5DF40 is a very light, vivid yellow-green. Relative luminance 0.630; OKLCH L 84.5% C 0.185 H 123.4°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#B5DF40
RGB	rgb(181, 223, 64)
HSL	hsl(76, 71%, 56%)
HSV	hsv(76, 71%, 87%)
CMYK	cmyk(18.8%, 0%, 71.3%, 12.5%)
CIE-LAB	lab(83.43, -34.95, 69.15)
CIE-LCH	lch(83.43, 77.48, 116.81°)
OKLab	oklab(84.52% -0.1018 0.1543)
OKLCH	oklch(84.52% 0.185 123.4)
XYZ	xyz(46.3697, 62.9690, 14.5608)
Luminance	0.6297 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5DF40 #6A40DF

analogous

#DFBA40 #B5DF40 #66DF40

triadic

#B5DF40 #40B5DF #DF40B5

tetradic

#B5DF40 #40DFBA #6A40DF #DF4066

square

#B5DF40 #40DFBA #6A40DF #DF4066

split-complementary

#B5DF40 #4066DF #BA40DF

monochromatic

#6E8D18 #97C120 #B5DF40 #C9E874 #DEF1A9

Accessibility & contrast

On white

1.54

#B5DF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#B5DF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5DF40

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5DF40	#FFFFFF	#000000	##000000
##B5DF40	1.00	1.54	13.59	13.59
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD123

Deuteranopia (green-blind)

#E6D04E

Tritanopia (blue-blind)

#BED4C0

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b5df40;
/* rgb */ color: rgb(181, 223, 64);
/* oklch */ color: oklch(84.5% 0.185 123.4);

Tailwind

colors: {
  custom: {
    50: '#cfe97f',
    500: '#b5df40',
    950: '#000000',
  },
}

SCSS

$custom: #b5df40;
$custom-light: #cfe97f;
$custom-dark: #000000;

JSON

{
  "hex": "#b5df40",
  "rgb": {
    "r": 181,
    "g": 223,
    "b": 64
  },
  "hsl": {
    "h": 75.849,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.84522,
    "c": 0.18488,
    "h": 123.4
  },
  "luminance": 0.62969
}

Semantic roles & 50–950 ramp

primary

#B5DF40

secondary

#4B3192

accent

#3AEE69

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B5DF40

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

Preview Lab → · Contrast checker → · Palette generator →