#B1D33A#B1D33A

#B1D33A is a light, vivid yellow-green. Relative luminance 0.562; OKLCH L 81.5% C 0.176 H 121.5°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#B1D33A
RGB	rgb(177, 211, 58)
HSL	hsl(73, 63%, 53%)
HSV	hsv(73, 73%, 83%)
CMYK	cmyk(16.1%, 0%, 72.5%, 17.3%)
CIE-LAB	lab(79.75, -31.31, 67.54)
CIE-LCH	lch(79.75, 74.44, 114.87°)
OKLab	oklab(81.48% -0.092 0.1501)
OKLCH	oklch(81.48% 0.176 121.5)
XYZ	xyz(42.1901, 56.2411, 12.6351)
Luminance	0.5624 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D33A #5C3AD3

analogous

#D3A83A #B1D33A #65D33A

triadic

#B1D33A #3AB1D3 #D33AB1

tetradic

#B1D33A #3AD3A8 #5C3AD3 #D33A65

square

#B1D33A #3AD3A8 #5C3AD3 #D33A65

split-complementary

#B1D33A #3A65D3 #A83AD3

monochromatic

#63781B #8DAA26 #B1D33A #C5DE6C #D9E99E

Accessibility & contrast

On white

1.71

#B1D33A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#B1D33A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D33A

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D33A	#FFFFFF	#000000	##000000
##B1D33A	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C61C

Deuteranopia (green-blind)

#DCC647

Tritanopia (blue-blind)

#BBC8B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b1d33a;
/* rgb */ color: rgb(177, 211, 58);
/* oklch */ color: oklch(81.5% 0.176 121.5);

Tailwind

colors: {
  custom: {
    50: '#cce07b',
    500: '#b1d33a',
    950: '#000000',
  },
}

SCSS

$custom: #b1d33a;
$custom-light: #cce07b;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d33a",
  "rgb": {
    "r": 177,
    "g": 211,
    "b": 58
  },
  "hsl": {
    "h": 73.333,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81476,
    "c": 0.17608,
    "h": 121.5
  },
  "luminance": 0.56241
}

Semantic roles & 50–950 ramp

primary

#B1D33A

secondary

#433180

accent

#41E766

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D33A

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

Preview Lab → · Contrast checker → · Palette generator →