#B1D32D#B1D32D

#B1D32D is a light, vivid yellow-green. Relative luminance 0.561; OKLCH L 81.4% C 0.183 H 121.2°. Best body text is #000000 at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#B1D32D
RGB	rgb(177, 211, 45)
HSL	hsl(72, 65%, 50%)
HSV	hsv(72, 79%, 83%)
CMYK	cmyk(16.1%, 0%, 78.7%, 17.3%)
CIE-LAB	lab(79.69, -31.90, 71.52)
CIE-LCH	lch(79.69, 78.31, 114.04°)
OKLab	oklab(81.4% -0.0946 0.1564)
OKLCH	oklch(81.4% 0.183 121.2)
XYZ	xyz(41.9001, 56.1251, 11.1080)
Luminance	0.5613 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D32D #4F2DD3

analogous

#D3A22D #B1D32D #5ED32D

triadic

#B1D32D #2DB1D3 #D32DB1

tetradic

#B1D32D #2DD3A2 #4F2DD3 #D32D5E

square

#B1D32D #2DD3A2 #4F2DD3 #D32D5E

split-complementary

#B1D32D #2D5ED3 #A22DD3

monochromatic

#5D6E17 #87A122 #B1D32D #C4DE60 #D7E892

Accessibility & contrast

On white

1.72

#B1D32D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.23

#B1D32D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D32D

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D32D	#FFFFFF	#000000	##000000
##B1D32D	1.00	1.72	12.23	12.23
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.23	21.00	1.00	1.00
##000000	12.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C600

Deuteranopia (green-blind)

#DCC63E

Tritanopia (blue-blind)

#BBC8B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d32d;
/* rgb */ color: rgb(177, 211, 45);
/* oklch */ color: oklch(81.4% 0.183 121.2);

Tailwind

colors: {
  custom: {
    50: '#cce075',
    500: '#b1d32d',
    950: '#000000',
  },
}

SCSS

$custom: #b1d32d;
$custom-light: #cce075;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d32d",
  "rgb": {
    "r": 177,
    "g": 211,
    "b": 45
  },
  "hsl": {
    "h": 72.289,
    "s": 65.354,
    "l": 50.196
  },
  "oklch": {
    "l": 0.81402,
    "c": 0.18283,
    "h": 121.2
  },
  "luminance": 0.56125
}

Semantic roles & 50–950 ramp

primary

#B1D32D

secondary

#3C2D78

accent

#3FE862

background

#FEFEFB

surface

#FBFCF1

border

#D4D5CB

text

#141509

muted

#83847D

Preview Lab

Preview with #B1D32D

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

Preview Lab → · Contrast checker → · Palette generator →