#B5E45B#B5E45B

#B5E45B is a very light, vivid yellow-green. Relative luminance 0.661; OKLCH L 85.9% C 0.172 H 125.8°. Best body text is #000000 at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#B5E45B
RGB	rgb(181, 228, 91)
HSL	hsl(81, 72%, 63%)
HSV	hsv(81, 60%, 89%)
CMYK	cmyk(20.6%, 0%, 60.1%, 10.6%)
CIE-LAB	lab(85.03, -35.41, 60.34)
CIE-LCH	lch(85.03, 69.97, 120.40°)
OKLab	oklab(85.88% -0.1007 0.1395)
OKLCH	oklch(85.88% 0.172 125.8)
XYZ	xyz(48.6879, 66.0653, 20.0823)
Luminance	0.6607 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E45B #8A5BE4

analogous

#E4CF5B #B5E45B #70E45B

triadic

#B5E45B #5BB5E4 #E45BB5

tetradic

#B5E45B #5BE4CF #8A5BE4 #E45B70

square

#B5E45B #5BE4CF #8A5BE4 #E45B70

split-complementary

#B5E45B #5B70E4 #CF5BE4

monochromatic

#78A91C #9DDB26 #B5E45B #CDED90 #E4F5C4

Accessibility & contrast

On white

1.48

#B5E45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.21

#B5E45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E45B

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E45B	#FFFFFF	#000000	##000000
##B5E45B	1.00	1.48	14.21	14.21
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.21	21.00	1.00	1.00
##000000	14.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64B

Deuteranopia (green-blind)

#E9D465

Tritanopia (blue-blind)

#BCDAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b5e45b;
/* rgb */ color: rgb(181, 228, 91);
/* oklch */ color: oklch(85.9% 0.172 125.8);

Tailwind

colors: {
  custom: {
    50: '#ceec8e',
    500: '#b5e45b',
    950: '#000000',
  },
}

SCSS

$custom: #b5e45b;
$custom-light: #ceec8e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e45b",
  "rgb": {
    "r": 181,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 80.584,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85881,
    "c": 0.172,
    "h": 125.8
  },
  "luminance": 0.66066
}

Semantic roles & 50–950 ramp

primary

#B5E45B

secondary

#6039AB

accent

#12D454

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B5E45B

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

Preview Lab → · Contrast checker → · Palette generator →