#B1DF51#B1DF51

#B1DF51 is a very light, vivid yellow-green. Relative luminance 0.627; OKLCH L 84.4% C 0.175 H 125.3°. Best body text is #000000 at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#B1DF51
RGB	rgb(177, 223, 81)
HSL	hsl(79, 69%, 60%)
HSV	hsv(79, 64%, 87%)
CMYK	cmyk(20.6%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(83.29, -35.41, 62.53)
CIE-LCH	lch(83.29, 71.86, 119.52°)
OKLab	oklab(84.39% -0.1013 0.1429)
OKLCH	oklch(84.39% 0.175 125.3)
XYZ	xyz(46.0045, 62.7160, 17.4647)
Luminance	0.6272 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DF51 #7F51DF

analogous

#DFC651 #B1DF51 #6ADF51

triadic

#B1DF51 #51B1DF #DF51B1

tetradic

#B1DF51 #51DFC6 #7F51DF #DF516A

square

#B1DF51 #51DFC6 #7F51DF #DF516A

split-complementary

#B1DF51 #516ADF #C651DF

monochromatic

#71991C #97CD26 #B1DF51 #C8E985 #DFF2B8

Accessibility & contrast

On white

1.55

#B1DF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.54

#B1DF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DF51

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DF51	#FFFFFF	#000000	##000000
##B1DF51	1.00	1.55	13.54	13.54
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.54	21.00	1.00	1.00
##000000	13.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD13F

Deuteranopia (green-blind)

#E4CF5C

Tritanopia (blue-blind)

#B8D5C2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #b1df51;
/* rgb */ color: rgb(177, 223, 81);
/* oklch */ color: oklch(84.4% 0.175 125.3);

Tailwind

colors: {
  custom: {
    50: '#cbe988',
    500: '#b1df51',
    950: '#000000',
  },
}

SCSS

$custom: #b1df51;
$custom-light: #cbe988;
$custom-dark: #000000;

JSON

{
  "hex": "#b1df51",
  "rgb": {
    "r": 177,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 79.437,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.84387,
    "c": 0.17522,
    "h": 125.3
  },
  "luminance": 0.62717
}

Semantic roles & 50–950 ramp

primary

#B1DF51

secondary

#58379D

accent

#3CEC75

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B1DF51

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

Preview Lab → · Contrast checker → · Palette generator →