#B4E03A#B4E03A

#B4E03A is a very light, vivid yellow-green. Relative luminance 0.633; OKLCH L 84.6% C 0.190 H 123.7°. Best body text is #000000 at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#B4E03A
RGB	rgb(180, 224, 58)
HSL	hsl(76, 73%, 55%)
HSV	hsv(76, 74%, 88%)
CMYK	cmyk(19.6%, 0%, 74.1%, 12.2%)
CIE-LAB	lab(83.61, -36.10, 71.31)
CIE-LCH	lch(83.61, 79.93, 116.85°)
OKLab	oklab(84.64% -0.1054 0.158)
OKLCH	oklch(84.64% 0.19 123.7)
XYZ	xyz(46.2423, 63.3198, 13.7879)
Luminance	0.6332 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E03A #663AE0

analogous

#E0B93A #B4E03A #61E03A

triadic

#B4E03A #3AB4E0 #E03AB4

tetradic

#B4E03A #3AE0B9 #663AE0 #E03A61

square

#B4E03A #3AE0B9 #663AE0 #E03A61

split-complementary

#B4E03A #3A61E0 #B93AE0

monochromatic

#6B8A16 #94BF1E #B4E03A #C8E86F #DCF1A4

Accessibility & contrast

On white

1.54

#B4E03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.66

#B4E03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E03A

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E03A	#FFFFFF	#000000	##000000
##B4E03A	1.00	1.54	13.66	13.66
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.66	21.00	1.00	1.00
##000000	13.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD214

Deuteranopia (green-blind)

#E7D04A

Tritanopia (blue-blind)

#BDD5C1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b4e03a;
/* rgb */ color: rgb(180, 224, 58);
/* oklch */ color: oklch(84.6% 0.190 123.7);

Tailwind

colors: {
  custom: {
    50: '#cee97c',
    500: '#b4e03a',
    950: '#000000',
  },
}

SCSS

$custom: #b4e03a;
$custom-light: #cee97c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e03a",
  "rgb": {
    "r": 180,
    "g": 224,
    "b": 58
  },
  "hsl": {
    "h": 75.904,
    "s": 72.807,
    "l": 55.294
  },
  "oklch": {
    "l": 0.84643,
    "c": 0.18989,
    "h": 123.7
  },
  "luminance": 0.6332
}

Semantic roles & 50–950 ramp

primary

#B4E03A

secondary

#482F90

accent

#38EF69

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160A

muted

#83847D

Preview Lab

Preview with #B4E03A

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

Preview Lab → · Contrast checker → · Palette generator →