#B5EE59#B5EE59

#B5EE59 is a very light, vivid yellow-green. Relative luminance 0.717; OKLCH L 88.1% C 0.186 H 127.6°. Best body text is #000000 at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#B5EE59
RGB	rgb(181, 238, 89)
HSL	hsl(83, 81%, 64%)
HSV	hsv(83, 63%, 93%)
CMYK	cmyk(23.9%, 0%, 62.6%, 6.7%)
CIE-LAB	lab(87.82, -40.05, 64.23)
CIE-LCH	lch(87.82, 75.69, 121.95°)
OKLab	oklab(88.13% -0.1137 0.1475)
OKLCH	oklch(88.13% 0.186 127.6)
XYZ	xyz(51.4337, 71.6931, 20.5776)
Luminance	0.7169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EE59 #9259EE

analogous

#EEDD59 #B5EE59 #6BEE59

triadic

#B5EE59 #59B5EE #EE59B5

tetradic

#B5EE59 #59EEDD #9259EE #EE596B

square

#B5EE59 #59EEDD #9259EE #EE596B

split-complementary

#B5EE59 #596BEE #DD59EE

monochromatic

#7ABA13 #9CE821 #B5EE59 #CEF491 #E6F9C8

Accessibility & contrast

On white

1.37

#B5EE59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.34

#B5EE59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EE59

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EE59	#FFFFFF	#000000	##000000
##B5EE59	1.00	1.37	15.34	15.34
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.34	21.00	1.00	1.00
##000000	15.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF47

Deuteranopia (green-blind)

#F1DB64

Tritanopia (blue-blind)

#BBE4CF

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b5ee59;
/* rgb */ color: rgb(181, 238, 89);
/* oklch */ color: oklch(88.1% 0.186 127.6);

Tailwind

colors: {
  custom: {
    50: '#cff38e',
    500: '#b5ee59',
    950: '#000000',
  },
}

SCSS

$custom: #b5ee59;
$custom-light: #cff38e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ee59",
  "rgb": {
    "r": 181,
    "g": 238,
    "b": 89
  },
  "hsl": {
    "h": 82.953,
    "s": 81.421,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88134,
    "c": 0.1862,
    "h": 127.6
  },
  "luminance": 0.71694
}

Semantic roles & 50–950 ramp

primary

#B5EE59

secondary

#6633B9

accent

#08DE5A

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B5EE59

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

Preview Lab → · Contrast checker → · Palette generator →