#B5EF64#B5EF64

#B5EF64 is a very light, vivid yellow-green. Relative luminance 0.725; OKLCH L 88.5% C 0.179 H 128.6°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#B5EF64
RGB	rgb(181, 239, 100)
HSL	hsl(85, 81%, 66%)
HSV	hsv(85, 58%, 94%)
CMYK	cmyk(24.3%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(88.20, -39.60, 60.04)
CIE-LCH	lch(88.20, 71.92, 123.41°)
OKLab	oklab(88.47% -0.1115 0.1398)
OKLCH	oklch(88.47% 0.179 128.6)
XYZ	xyz(52.2226, 72.4758, 23.2920)
Luminance	0.7248 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EF64 #9E64EF

analogous

#EFE464 #B5EF64 #70EF64

triadic

#B5EF64 #64B5EF #EF64B5

tetradic

#B5EF64 #64EFE4 #9E64EF #EF6470

square

#B5EF64 #64EFE4 #9E64EF #EF6470

split-complementary

#B5EF64 #6470EF #E464EF

monochromatic

#7BC414 #9BE92D #B5EF64 #CFF59B #EAFAD3

Accessibility & contrast

On white

1.36

#B5EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.50

#B5EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EF64

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EF64	#FFFFFF	#000000	##000000
##B5EF64	1.00	1.36	15.50	15.50
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.50	21.00	1.00	1.00
##000000	15.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE055

Deuteranopia (green-blind)

#F1DC6E

Tritanopia (blue-blind)

#BAE5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b5ef64;
/* rgb */ color: rgb(181, 239, 100);
/* oklch */ color: oklch(88.5% 0.179 128.6);

Tailwind

colors: {
  custom: {
    50: '#cef495',
    500: '#b5ef64',
    950: '#000000',
  },
}

SCSS

$custom: #b5ef64;
$custom-light: #cef495;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ef64",
  "rgb": {
    "r": 181,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 85.036,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.8847,
    "c": 0.17883,
    "h": 128.6
  },
  "luminance": 0.72477
}

Semantic roles & 50–950 ramp

primary

#B5EF64

secondary

#7035C2

accent

#08DE61

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B5EF64

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

Preview Lab → · Contrast checker → · Palette generator →