#B4DB31#B4DB31

#B4DB31 is a very light, vivid yellow-green. Relative luminance 0.606; OKLCH L 83.5% C 0.189 H 122.3°. Best body text is #000000 at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#B4DB31
RGB	rgb(180, 219, 49)
HSL	hsl(74, 70%, 53%)
HSV	hsv(74, 78%, 86%)
CMYK	cmyk(17.8%, 0%, 77.6%, 14.1%)
CIE-LAB	lab(82.16, -34.23, 72.70)
CIE-LCH	lch(82.16, 80.36, 115.22°)
OKLab	oklab(83.45% -0.1009 0.1595)
OKLCH	oklch(83.45% 0.189 122.3)
XYZ	xyz(44.7090, 60.5879, 12.2444)
Luminance	0.6059 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4DB31 #5831DB

analogous

#DBAD31 #B4DB31 #5FDB31

triadic

#B4DB31 #31B4DB #DB31B4

tetradic

#B4DB31 #31DBAD #5831DB #DB315F

square

#B4DB31 #31DBAD #5831DB #DB315F

split-complementary

#B4DB31 #315FDB #AD31DB

monochromatic

#647C16 #8FB01F #B4DB31 #C7E465 #DAED99

Accessibility & contrast

On white

1.60

#B4DB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.12

#B4DB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4DB31

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4DB31	#FFFFFF	#000000	##000000
##B4DB31	1.00	1.60	13.12	13.12
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.12	21.00	1.00	1.00
##000000	13.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CD00

Deuteranopia (green-blind)

#E3CC42

Tritanopia (blue-blind)

#BED0BC

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #b4db31;
/* rgb */ color: rgb(180, 219, 49);
/* oklch */ color: oklch(83.5% 0.189 122.3);

Tailwind

colors: {
  custom: {
    50: '#cfe677',
    500: '#b4db31',
    950: '#000000',
  },
}

SCSS

$custom: #b4db31;
$custom-light: #cfe677;
$custom-dark: #000000;

JSON

{
  "hex": "#b4db31",
  "rgb": {
    "r": 180,
    "g": 219,
    "b": 49
  },
  "hsl": {
    "h": 73.765,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.83454,
    "c": 0.18872,
    "h": 122.3
  },
  "luminance": 0.60588
}

Semantic roles & 50–950 ramp

primary

#B4DB31

secondary

#412D83

accent

#3BED64

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4DB31

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

Preview Lab → · Contrast checker → · Palette generator →