#B5EF58#B5EF58

#B5EF58 is a very light, vivid yellow-green. Relative luminance 0.723; OKLCH L 88.4% C 0.188 H 127.8°. Best body text is #000000 at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#B5EF58
RGB	rgb(181, 239, 88)
HSL	hsl(83, 83%, 64%)
HSV	hsv(83, 63%, 94%)
CMYK	cmyk(24.3%, 0%, 63.2%, 6.3%)
CIE-LAB	lab(88.09, -40.57, 64.93)
CIE-LCH	lch(88.09, 76.56, 122.00°)
OKLab	oklab(88.35% -0.1152 0.1488)
OKLCH	oklch(88.35% 0.188 127.8)
XYZ	xyz(51.6839, 72.2603, 20.4553)
Luminance	0.7226 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EF58 #9258EF

analogous

#EFDD58 #B5EF58 #6AEF58

triadic

#B5EF58 #58B5EF #EF58B5

tetradic

#B5EF58 #58EFDD #9258EF #EF586A

square

#B5EF58 #58EFDD #9258EF #EF586A

split-complementary

#B5EF58 #586AEF #DD58EF

monochromatic

#7ABB12 #9CEA20 #B5EF58 #CEF490 #E6FAC8

Accessibility & contrast

On white

1.36

#B5EF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.45

#B5EF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EF58

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EF58	#FFFFFF	#000000	##000000
##B5EF58	1.00	1.36	15.45	15.45
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.45	21.00	1.00	1.00
##000000	15.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF45

Deuteranopia (green-blind)

#F2DC64

Tritanopia (blue-blind)

#BBE5D0

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b5ef58;
/* rgb */ color: rgb(181, 239, 88);
/* oklch */ color: oklch(88.4% 0.188 127.8);

Tailwind

colors: {
  custom: {
    50: '#cff48d',
    500: '#b5ef58',
    950: '#000000',
  },
}

SCSS

$custom: #b5ef58;
$custom-light: #cff48d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ef58",
  "rgb": {
    "r": 181,
    "g": 239,
    "b": 88
  },
  "hsl": {
    "h": 83.046,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88353,
    "c": 0.18819,
    "h": 127.8
  },
  "luminance": 0.72261
}

Semantic roles & 50–950 ramp

primary

#B5EF58

secondary

#6632BA

accent

#07DF5A

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EF58

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

Preview Lab → · Contrast checker → · Palette generator →