#B5EC99#B5EC99

#B5EC99 is a very light, vivid yellow-green. Relative luminance 0.721; OKLCH L 88.5% C 0.123 H 135.5°. Best body text is #000000 at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#B5EC99
RGB	rgb(181, 236, 153)
HSL	hsl(100, 69%, 76%)
HSV	hsv(100, 35%, 93%)
CMYK	cmyk(23.3%, 0%, 35.2%, 7.5%)
CIE-LAB	lab(88.02, -32.22, 34.74)
CIE-LCH	lch(88.02, 47.38, 132.85°)
OKLab	oklab(88.54% -0.0879 0.0864)
OKLCH	oklch(88.54% 0.123 135.5)
XYZ	xyz(54.7999, 72.1131, 41.1628)
Luminance	0.7211 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5EC99 #D099EC

analogous

#DFEC99 #B5EC99 #99ECA7

triadic

#B5EC99 #99B5EC #EC99B5

tetradic

#B5EC99 #99DFEC #D099EC #ECA799

square

#B5EC99 #99DFEC #D099EC #ECA799

split-complementary

#B5EC99 #A799EC #EC99DF

monochromatic

#6AD932 #90E265 #B5EC99 #DAF6CD #ECFAE5

Accessibility & contrast

On white

1.36

#B5EC99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.42

#B5EC99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5EC99

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5EC99	#FFFFFF	#000000	##000000
##B5EC99	1.00	1.36	15.42	15.42
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.42	21.00	1.00	1.00
##000000	15.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2E093

Deuteranopia (green-blind)

#EADB9D

Tritanopia (blue-blind)

#B4E6D7

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #b5ec99;
/* rgb */ color: rgb(181, 236, 153);
/* oklch */ color: oklch(88.5% 0.123 135.5);

Tailwind

colors: {
  custom: {
    50: '#ccf2b8',
    500: '#b5ec99',
    950: '#000000',
  },
}

SCSS

$custom: #b5ec99;
$custom-light: #ccf2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#b5ec99",
  "rgb": {
    "r": 181,
    "g": 236,
    "b": 153
  },
  "hsl": {
    "h": 99.759,
    "s": 68.595,
    "l": 76.275
  },
  "oklch": {
    "l": 0.88544,
    "c": 0.12327,
    "h": 135.5
  },
  "luminance": 0.72115
}

Semantic roles & 50–950 ramp

primary

#B5EC99

secondary

#A562C8

accent

#15D191

background

#FEFFFD

surface

#FBFEF8

border

#D4D6D1

text

#131711

muted

#838581

Preview Lab

Preview with #B5EC99

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

Preview Lab → · Contrast checker → · Palette generator →