#B1D42D#B1D42D

#B1D42D is a light, vivid yellow-green. Relative luminance 0.566; OKLCH L 81.6% C 0.184 H 121.4°. Best body text is #000000 at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#B1D42D
RGB	rgb(177, 212, 45)
HSL	hsl(73, 66%, 50%)
HSV	hsv(73, 79%, 83%)
CMYK	cmyk(16.5%, 0%, 78.8%, 16.9%)
CIE-LAB	lab(79.97, -32.36, 71.78)
CIE-LCH	lch(79.97, 78.74, 114.27°)
OKLab	oklab(81.63% -0.0959 0.157)
OKLCH	oklch(81.63% 0.184 121.4)
XYZ	xyz(42.1493, 56.6235, 11.1910)
Luminance	0.5662 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D42D #502DD4

analogous

#D4A42D #B1D42D #5DD42D

triadic

#B1D42D #2DB1D4 #D42DB1

tetradic

#B1D42D #2DD4A4 #502DD4 #D42D5D

square

#B1D42D #2DD4A4 #502DD4 #D42D5D

split-complementary

#B1D42D #2D5DD4 #A42DD4

monochromatic

#5D7017 #87A321 #B1D42D #C4DE60 #D7E993

Accessibility & contrast

On white

1.70

#B1D42D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#B1D42D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D42D

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D42D	#FFFFFF	#000000	##000000
##B1D42D	1.00	1.70	12.32	12.32
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.32	21.00	1.00	1.00
##000000	12.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C700

Deuteranopia (green-blind)

#DDC63E

Tritanopia (blue-blind)

#BBC9B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b1d42d;
/* rgb */ color: rgb(177, 212, 45);
/* oklch */ color: oklch(81.6% 0.184 121.4);

Tailwind

colors: {
  custom: {
    50: '#cce175',
    500: '#b1d42d',
    950: '#000000',
  },
}

SCSS

$custom: #b1d42d;
$custom-light: #cce175;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d42d",
  "rgb": {
    "r": 177,
    "g": 212,
    "b": 45
  },
  "hsl": {
    "h": 72.575,
    "s": 66.008,
    "l": 50.392
  },
  "oklch": {
    "l": 0.8163,
    "c": 0.18396,
    "h": 121.4
  },
  "luminance": 0.56624
}

Semantic roles & 50–950 ramp

primary

#B1D42D

secondary

#3C2C79

accent

#3FE963

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B1D42D

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

Preview Lab → · Contrast checker → · Palette generator →