#B5DF51#B5DF51

#B5DF51 is a very light, vivid yellow-green. Relative luminance 0.632; OKLCH L 84.7% C 0.173 H 124.1°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#B5DF51
RGB	rgb(181, 223, 81)
HSL	hsl(78, 69%, 60%)
HSV	hsv(78, 64%, 87%)
CMYK	cmyk(18.8%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(83.54, -33.88, 62.87)
CIE-LCH	lch(83.54, 71.42, 118.32°)
OKLab	oklab(84.65% -0.0974 0.1436)
OKLCH	oklch(84.65% 0.173 124.1)
XYZ	xyz(46.9293, 63.1928, 17.5080)
Luminance	0.6319 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5DF51 #7B51DF

analogous

#DFC251 #B5DF51 #6EDF51

triadic

#B5DF51 #51B5DF #DF51B5

tetradic

#B5DF51 #51DFC2 #7B51DF #DF516E

square

#B5DF51 #51DFC2 #7B51DF #DF516E

split-complementary

#B5DF51 #516EDF #C251DF

monochromatic

#74991C #9CCD26 #B5DF51 #CBE985 #E1F2B8

Accessibility & contrast

On white

1.54

#B5DF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#B5DF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5DF51

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5DF51	#FFFFFF	#000000	##000000
##B5DF51	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD23F

Deuteranopia (green-blind)

#E5D05C

Tritanopia (blue-blind)

#BDD5C2

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b5df51;
/* rgb */ color: rgb(181, 223, 81);
/* oklch */ color: oklch(84.7% 0.173 124.1);

Tailwind

colors: {
  custom: {
    50: '#cee988',
    500: '#b5df51',
    950: '#000000',
  },
}

SCSS

$custom: #b5df51;
$custom-light: #cee988;
$custom-dark: #000000;

JSON

{
  "hex": "#b5df51",
  "rgb": {
    "r": 181,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 77.746,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.84654,
    "c": 0.17347,
    "h": 124.1
  },
  "luminance": 0.63193
}

Semantic roles & 50–950 ramp

primary

#B5DF51

secondary

#55379D

accent

#3CEC70

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B5DF51

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

Preview Lab → · Contrast checker → · Palette generator →