#B5EF63#B5EF63

#B5EF63 is a very light, vivid yellow-green. Relative luminance 0.725; OKLCH L 88.5% C 0.180 H 128.5°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#B5EF63
RGB	rgb(181, 239, 99)
HSL	hsl(85, 81%, 66%)
HSV	hsv(85, 59%, 94%)
CMYK	cmyk(24.3%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(88.19, -39.69, 60.46)
CIE-LCH	lch(88.19, 72.32, 123.29°)
OKLab	oklab(88.46% -0.1119 0.1406)
OKLCH	oklch(88.46% 0.18 128.5)
XYZ	xyz(52.1745, 72.4565, 23.0386)
Luminance	0.7246 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EF63 #9D63EF

analogous

#EFE363 #B5EF63 #6FEF63

triadic

#B5EF63 #63B5EF #EF63B5

tetradic

#B5EF63 #63EFE3 #9D63EF #EF636F

square

#B5EF63 #63EFE3 #9D63EF #EF636F

split-complementary

#B5EF63 #636FEF #E363EF

monochromatic

#7BC414 #9BE92B #B5EF63 #CFF59B #EAFAD2

Accessibility & contrast

On white

1.36

#B5EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#B5EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EF63

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EF63	#FFFFFF	#000000	##000000
##B5EF63	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE054

Deuteranopia (green-blind)

#F2DC6D

Tritanopia (blue-blind)

#BAE5D1

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b5ef63;
/* rgb */ color: rgb(181, 239, 99);
/* oklch */ color: oklch(88.5% 0.180 128.5);

Tailwind

colors: {
  custom: {
    50: '#cef494',
    500: '#b5ef63',
    950: '#000000',
  },
}

SCSS

$custom: #b5ef63;
$custom-light: #cef494;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ef63",
  "rgb": {
    "r": 181,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 84.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.88459,
    "c": 0.17964,
    "h": 128.5
  },
  "luminance": 0.72458
}

Semantic roles & 50–950 ramp

primary

#B5EF63

secondary

#6F35C1

accent

#08DE60

background

#FEFFFC

surface

#FBFEF5

border

#D4D6CF

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EF63

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

Preview Lab → · Contrast checker → · Palette generator →