#B4E228#B4E228

#B4E228 is a very light, highly saturated yellow-green. Relative luminance 0.642; OKLCH L 85.0% C 0.200 H 123.7°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#B4E228
RGB	rgb(180, 226, 40)
HSL	hsl(75, 76%, 52%)
HSV	hsv(75, 82%, 89%)
CMYK	cmyk(20.4%, 0%, 82.3%, 11.4%)
CIE-LAB	lab(84.10, -37.74, 76.79)
CIE-LCH	lch(84.10, 85.56, 116.17°)
OKLab	oklab(85.01% -0.111 0.1668)
OKLCH	oklch(85.01% 0.2 123.7)
XYZ	xyz(46.4024, 64.2489, 11.9637)
Luminance	0.6425 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E228 #5628E2

analogous

#E2B328 #B4E228 #57E228

triadic

#B4E228 #28B4E2 #E228B4

tetradic

#B4E228 #28E2B3 #5628E2 #E22857

square

#B4E228 #28E2B3 #5628E2 #E22857

split-complementary

#B4E228 #2857E2 #B328E2

monochromatic

#637F11 #8EB418 #B4E228 #C7E95E #DAF194

Accessibility & contrast

On white

1.52

#B4E228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#B4E228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E228

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E228	#FFFFFF	#000000	##000000
##B4E228	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD300

Deuteranopia (green-blind)

#E9D13E

Tritanopia (blue-blind)

#BDD6C1

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #b4e228;
/* rgb */ color: rgb(180, 226, 40);
/* oklch */ color: oklch(85.0% 0.200 123.7);

Tailwind

colors: {
  custom: {
    50: '#cfeb75',
    500: '#b4e228',
    950: '#000000',
  },
}

SCSS

$custom: #b4e228;
$custom-light: #cfeb75;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e228",
  "rgb": {
    "r": 180,
    "g": 226,
    "b": 40
  },
  "hsl": {
    "h": 74.839,
    "s": 76.23,
    "l": 52.157
  },
  "oklch": {
    "l": 0.85011,
    "c": 0.20035,
    "h": 123.7
  },
  "luminance": 0.64249
}

Semantic roles & 50–950 ramp

primary

#B4E228

secondary

#402986

accent

#35F364

background

#FEFEFB

surface

#FBFDF1

border

#D4D5CB

text

#141609

muted

#83847D

Preview Lab

Preview with #B4E228

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

Preview Lab → · Contrast checker → · Palette generator →