#B5FF64#B5FF64

#B5FF64 is a very light, vivid yellow-green. Relative luminance 0.823; OKLCH L 92.1% C 0.199 H 131.0°. Best body text is #000000 at 17.45:1 contrast (WCAG AA passes).

Color values

HEX	#B5FF64
RGB	rgb(181, 255, 100)
HSL	hsl(89, 100%, 70%)
HSV	hsv(89, 61%, 100%)
CMYK	cmyk(29%, 0%, 60.8%, 0%)
CIE-LAB	lab(92.69, -46.56, 65.05)
CIE-LCH	lch(92.69, 80.00, 125.59°)
OKLab	oklab(92.11% -0.1307 0.1505)
OKLCH	oklch(92.11% 0.199 131)
XYZ	xyz(57.1157, 82.2621, 24.9230)
Luminance	0.8226 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5FF64 #AE64FF

analogous

#FFFB64 #B5FF64 #68FF64

triadic

#B5FF64 #64B5FF #FF64B5

tetradic

#B5FF64 #64FFFB #AE64FF #FF6468

square

#B5FF64 #64FFFB #AE64FF #FF6468

split-complementary

#B5FF64 #6468FF #FB64FF

monochromatic

#7AE900 #98FF27 #B5FF64 #D2FFA1 #EFFFDE

Accessibility & contrast

On white

1.20

#B5FF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.45

#B5FF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5FF64

17.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5FF64	#FFFFFF	#000000	##000000
##B5FF64	1.00	1.20	17.45	17.45
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.45	21.00	1.00	1.00
##000000	17.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE52

Deuteranopia (green-blind)

#FFE870

Tritanopia (blue-blind)

#B8F5DE

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #b5ff64;
/* rgb */ color: rgb(181, 255, 100);
/* oklch */ color: oklch(92.1% 0.199 131.0);

Tailwind

colors: {
  custom: {
    50: '#cfff96',
    500: '#b5ff64',
    950: '#000000',
  },
}

SCSS

$custom: #b5ff64;
$custom-light: #cfff96;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ff64",
  "rgb": {
    "r": 181,
    "g": 255,
    "b": 100
  },
  "hsl": {
    "h": 88.645,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.92114,
    "c": 0.19932,
    "h": 131
  },
  "luminance": 0.82264
}

Semantic roles & 50–950 ramp

primary

#B5FF64

secondary

#802DDA

accent

#00E66E

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14180E

muted

#83867F

Preview Lab

Preview with #B5FF64

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

Preview Lab → · Contrast checker → · Palette generator →