#B4E051#B4E051

#B4E051 is a very light, vivid yellow-green. Relative luminance 0.636; OKLCH L 84.8% C 0.175 H 124.7°. Best body text is #000000 at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#B4E051
RGB	rgb(180, 224, 81)
HSL	hsl(78, 70%, 60%)
HSV	hsv(78, 64%, 88%)
CMYK	cmyk(19.6%, 0%, 63.8%, 12.2%)
CIE-LAB	lab(83.76, -34.72, 63.08)
CIE-LCH	lch(83.76, 72.01, 118.83°)
OKLab	oklab(84.81% -0.0996 0.1441)
OKLCH	oklch(84.81% 0.175 124.7)
XYZ	xyz(46.9635, 63.6082, 17.5864)
Luminance	0.6361 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4E051 #7D51E0

analogous

#E0C551 #B4E051 #6CE051

triadic

#B4E051 #51B4E0 #E051B4

tetradic

#B4E051 #51E0C5 #7D51E0 #E0516C

square

#B4E051 #51E0C5 #7D51E0 #E0516C

split-complementary

#B4E051 #516CE0 #C551E0

monochromatic

#749B1C #9BCF25 #B4E051 #CAE985 #E1F3B9

Accessibility & contrast

On white

1.53

#B4E051 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.72

#B4E051 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4E051

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4E051	#FFFFFF	#000000	##000000
##B4E051	1.00	1.53	13.72	13.72
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.72	21.00	1.00	1.00
##000000	13.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD23E

Deuteranopia (green-blind)

#E6D05C

Tritanopia (blue-blind)

#BCD6C2

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #b4e051;
/* rgb */ color: rgb(180, 224, 81);
/* oklch */ color: oklch(84.8% 0.175 124.7);

Tailwind

colors: {
  custom: {
    50: '#cee988',
    500: '#b4e051',
    950: '#000000',
  },
}

SCSS

$custom: #b4e051;
$custom-light: #cee988;
$custom-dark: #000000;

JSON

{
  "hex": "#b4e051",
  "rgb": {
    "r": 180,
    "g": 224,
    "b": 81
  },
  "hsl": {
    "h": 78.462,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.84814,
    "c": 0.17514,
    "h": 124.7
  },
  "luminance": 0.63609
}

Semantic roles & 50–950 ramp

primary

#B4E051

secondary

#57379F

accent

#3BED72

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B4E051

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

Preview Lab → · Contrast checker → · Palette generator →