#B4D33B#B4D33B

#B4D33B is a light, vivid yellow-green. Relative luminance 0.566; OKLCH L 81.7% C 0.174 H 120.6°. Best body text is #000000 at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#B4D33B
RGB	rgb(180, 211, 59)
HSL	hsl(72, 63%, 53%)
HSV	hsv(72, 72%, 83%)
CMYK	cmyk(14.7%, 0%, 72%, 17.3%)
CIE-LAB	lab(79.96, -30.05, 67.46)
CIE-LCH	lch(79.96, 73.86, 114.01°)
OKLab	oklab(81.7% -0.0887 0.1501)
OKLCH	oklch(81.7% 0.174 120.6)
XYZ	xyz(42.9068, 56.6077, 12.8028)
Luminance	0.5661 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D33B #5A3BD3

analogous

#D3A63B #B4D33B #68D33B

triadic

#B4D33B #3BB4D3 #D33BB4

tetradic

#B4D33B #3BD3A6 #5A3BD3 #D33B68

square

#B4D33B #3BD3A6 #5A3BD3 #D33B68

split-complementary

#B4D33B #3B68D3 #A63BD3

monochromatic

#65791B #90AB26 #B4D33B #C7DE6D #DAE99F

Accessibility & contrast

On white

1.70

#B4D33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#B4D33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D33B

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D33B	#FFFFFF	#000000	##000000
##B4D33B	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)

#E0C71E

Deuteranopia (green-blind)

#DCC748

Tritanopia (blue-blind)

#BEC8B6

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #b4d33b;
/* rgb */ color: rgb(180, 211, 59);
/* oklch */ color: oklch(81.7% 0.174 120.6);

Tailwind

colors: {
  custom: {
    50: '#cee07b',
    500: '#b4d33b',
    950: '#000000',
  },
}

SCSS

$custom: #b4d33b;
$custom-light: #cee07b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d33b",
  "rgb": {
    "r": 180,
    "g": 211,
    "b": 59
  },
  "hsl": {
    "h": 72.237,
    "s": 63.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.81696,
    "c": 0.17429,
    "h": 120.6
  },
  "luminance": 0.56608
}

Semantic roles & 50–950 ramp

primary

#B4D33B

secondary

#423281

accent

#41E663

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B4D33B

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

Preview Lab → · Contrast checker → · Palette generator →