#B4E03F#B4E03F

#B4E03F is a very light, vivid yellow-green. Relative luminance 0.634; OKLCH L 84.7% C 0.187 H 123.9°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#B4E03F
RGB	rgb(180, 224, 63)
HSL	hsl(76, 72%, 56%)
HSV	hsv(76, 72%, 88%)
CMYK	cmyk(19.6%, 0%, 71.9%, 12.2%)
CIE-LAB	lab(83.64, -35.85, 69.68)
CIE-LCH	lch(83.64, 78.36, 117.22°)
OKLab	oklab(84.68% -0.1043 0.1553)
OKLCH	oklch(84.68% 0.187 123.9)
XYZ	xyz(46.3757, 63.3731, 14.4907)
Luminance	0.6337 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E03F #6B3FE0

analogous

#E0BC3F #B4E03F #64E03F

triadic

#B4E03F #3FB4E0 #E03FB4

tetradic

#B4E03F #3FE0BC #6B3FE0 #E03F64

square

#B4E03F #3FE0BC #6B3FE0 #E03F64

split-complementary

#B4E03F #3F64E0 #BC3FE0

monochromatic

#6D8E17 #96C21F #B4E03F #C9E974 #DDF1A8

Accessibility & contrast

On white

1.54

#B4E03F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.67

#B4E03F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E03F

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E03F	#FFFFFF	#000000	##000000
##B4E03F	1.00	1.54	13.67	13.67
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.67	21.00	1.00	1.00
##000000	13.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD220

Deuteranopia (green-blind)

#E7D04D

Tritanopia (blue-blind)

#BDD5C1

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #b4e03f;
/* rgb */ color: rgb(180, 224, 63);
/* oklch */ color: oklch(84.7% 0.187 123.9);

Tailwind

colors: {
  custom: {
    50: '#cee97e',
    500: '#b4e03f',
    950: '#000000',
  },
}

SCSS

$custom: #b4e03f;
$custom-light: #cee97e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e03f",
  "rgb": {
    "r": 180,
    "g": 224,
    "b": 63
  },
  "hsl": {
    "h": 76.398,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.84675,
    "c": 0.18708,
    "h": 123.9
  },
  "luminance": 0.63373
}

Semantic roles & 50–950 ramp

primary

#B4E03F

secondary

#4B3093

accent

#39EF6B

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B4E03F

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

Preview Lab → · Contrast checker → · Palette generator →