#B4FF49#B4FF49

#B4FF49 is a very light, highly saturated yellow-green. Relative luminance 0.817; OKLCH L 91.8% C 0.218 H 129.6°. Best body text is #000000 at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#B4FF49
RGB	rgb(180, 255, 73)
HSL	hsl(85, 100%, 64%)
HSV	hsv(85, 71%, 100%)
CMYK	cmyk(29.4%, 0%, 71.4%, 0%)
CIE-LAB	lab(92.44, -48.80, 74.95)
CIE-LCH	lch(92.44, 89.44, 123.07°)
OKLab	oklab(91.84% -0.1389 0.1679)
OKLCH	oklch(91.84% 0.218 129.6)
XYZ	xyz(55.7848, 81.7027, 19.1331)
Luminance	0.8170 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4FF49 #9449FF

analogous

#FFEF49 #B4FF49 #59FF49

triadic

#B4FF49 #49B4FF #FF49B4

tetradic

#B4FF49 #49FFEF #9449FF #FF4959

square

#B4FF49 #49FFEF #9449FF #FF4959

split-complementary

#B4FF49 #4959FF #EF49FF

monochromatic

#79CE00 #9BFF0C #B4FF49 #CDFF86 #E6FFC3

Accessibility & contrast

On white

1.21

#B4FF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.34

#B4FF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4FF49

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4FF49	#FFFFFF	#000000	##000000
##B4FF49	1.00	1.21	17.34	17.34
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.34	21.00	1.00	1.00
##000000	17.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED27

Deuteranopia (green-blind)

#FFE85A

Tritanopia (blue-blind)

#B9F4DC

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #b4ff49;
/* rgb */ color: rgb(180, 255, 73);
/* oklch */ color: oklch(91.8% 0.218 129.6);

Tailwind

colors: {
  custom: {
    50: '#cfff87',
    500: '#b4ff49',
    950: '#000000',
  },
}

SCSS

$custom: #b4ff49;
$custom-light: #cfff87;
$custom-dark: #000000;

JSON

{
  "hex": "#b4ff49",
  "rgb": {
    "r": 180,
    "g": 255,
    "b": 73
  },
  "hsl": {
    "h": 84.725,
    "s": 100,
    "l": 64.314
  },
  "oklch": {
    "l": 0.91837,
    "c": 0.21788,
    "h": 129.6
  },
  "luminance": 0.81704
}

Semantic roles & 50–950 ramp

primary

#B4FF49

secondary

#6823C9

accent

#00E65F

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14180C

muted

#83867F

Preview Lab

Preview with #B4FF49

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

Preview Lab → · Contrast checker → · Palette generator →