#B1D42C#B1D42C

#B1D42C 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	#B1D42C
RGB	rgb(177, 212, 44)
HSL	hsl(73, 66%, 50%)
HSV	hsv(73, 79%, 83%)
CMYK	cmyk(16.5%, 0%, 79.2%, 16.9%)
CIE-LAB	lab(79.96, -32.40, 72.05)
CIE-LCH	lch(79.96, 79.00, 114.21°)
OKLab	oklab(81.63% -0.0961 0.1574)
OKLCH	oklch(81.63% 0.184 121.4)
XYZ	xyz(42.1303, 56.6159, 11.0908)
Luminance	0.5662 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D42C #4F2CD4

analogous

#D4A32C #B1D42C #5DD42C

triadic

#B1D42C #2CB1D4 #D42CB1

tetradic

#B1D42C #2CD4A3 #4F2CD4 #D42C5D

square

#B1D42C #2CD4A3 #4F2CD4 #D42C5D

split-complementary

#B1D42C #2C5DD4 #A32CD4

monochromatic

#5D6F17 #87A221 #B1D42C #C4DE5F #D7E992

Accessibility & contrast

On white

1.70

#B1D42C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#B1D42C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D42C

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D42C	#FFFFFF	#000000	##000000
##B1D42C	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)

#BBC9B5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b1d42c;
/* rgb */ color: rgb(177, 212, 44);
/* oklch */ color: oklch(81.6% 0.184 121.4);

Tailwind

colors: {
  custom: {
    50: '#cce174',
    500: '#b1d42c',
    950: '#000000',
  },
}

SCSS

$custom: #b1d42c;
$custom-light: #cce174;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d42c",
  "rgb": {
    "r": 177,
    "g": 212,
    "b": 44
  },
  "hsl": {
    "h": 72.5,
    "s": 66.142,
    "l": 50.196
  },
  "oklch": {
    "l": 0.81625,
    "c": 0.1844,
    "h": 121.4
  },
  "luminance": 0.56616
}

Semantic roles & 50–950 ramp

primary

#B1D42C

secondary

#3C2C78

accent

#3FE962

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B1D42C

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

Preview Lab → · Contrast checker → · Palette generator →