#B5DD51#B5DD51

#B5DD51 is a very light, vivid yellow-green. Relative luminance 0.621; OKLCH L 84.2% C 0.171 H 123.7°. Best body text is #000000 at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#B5DD51
RGB	rgb(181, 221, 81)
HSL	hsl(77, 67%, 59%)
HSV	hsv(77, 63%, 87%)
CMYK	cmyk(18.1%, 0%, 63.3%, 13.3%)
CIE-LAB	lab(82.98, -32.96, 62.27)
CIE-LCH	lch(82.98, 70.45, 117.89°)
OKLab	oklab(84.2% -0.0948 0.1423)
OKLCH	oklch(84.2% 0.171 123.7)
XYZ	xyz(46.3981, 62.1304, 17.3310)
Luminance	0.6213 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5DD51 #7951DD

analogous

#DDBF51 #B5DD51 #6FDD51

triadic

#B5DD51 #51B5DD #DD51B5

tetradic

#B5DD51 #51DDBF #7951DD #DD516F

square

#B5DD51 #51DDBF #7951DD #DD516F

split-complementary

#B5DD51 #516FDD #BF51DD

monochromatic

#74961D #9BC927 #B5DD51 #CBE784 #E1F1B7

Accessibility & contrast

On white

1.56

#B5DD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.43

#B5DD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5DD51

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5DD51	#FFFFFF	#000000	##000000
##B5DD51	1.00	1.56	13.43	13.43
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.43	21.00	1.00	1.00
##000000	13.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D03F

Deuteranopia (green-blind)

#E4CE5B

Tritanopia (blue-blind)

#BDD3C0

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #b5dd51;
/* rgb */ color: rgb(181, 221, 81);
/* oklch */ color: oklch(84.2% 0.171 123.7);

Tailwind

colors: {
  custom: {
    50: '#cee788',
    500: '#b5dd51',
    950: '#000000',
  },
}

SCSS

$custom: #b5dd51;
$custom-light: #cee788;
$custom-dark: #000000;

JSON

{
  "hex": "#b5dd51",
  "rgb": {
    "r": 181,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 77.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.84201,
    "c": 0.171,
    "h": 123.7
  },
  "luminance": 0.62131
}

Semantic roles & 50–950 ramp

primary

#B5DD51

secondary

#54389B

accent

#3EEA6F

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B5DD51

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

Preview Lab → · Contrast checker → · Palette generator →