#B5E042#B5E042

#B5E042 is a very light, vivid yellow-green. Relative luminance 0.635; OKLCH L 84.8% C 0.185 H 123.7°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#B5E042
RGB	rgb(181, 224, 66)
HSL	hsl(76, 72%, 57%)
HSV	hsv(76, 71%, 88%)
CMYK	cmyk(19.2%, 0%, 70.5%, 12.2%)
CIE-LAB	lab(83.72, -35.29, 68.74)
CIE-LCH	lch(83.72, 77.27, 117.18°)
OKLab	oklab(84.76% -0.1025 0.1538)
OKLCH	oklch(84.76% 0.185 123.7)
XYZ	xyz(46.6956, 63.5281, 14.9553)
Luminance	0.6353 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E042 #6D42E0

analogous

#E0BC42 #B5E042 #66E042

triadic

#B5E042 #42B5E0 #E042B5

tetradic

#B5E042 #42E0BC #6D42E0 #E04266

square

#B5E042 #42E0BC #6D42E0 #E04266

split-complementary

#B5E042 #4266E0 #BC42E0

monochromatic

#6F9018 #98C520 #B5E042 #CAE977 #DEF1AB

Accessibility & contrast

On white

1.53

#B5E042 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#B5E042 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E042

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E042	#FFFFFF	#000000	##000000
##B5E042	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDD226

Deuteranopia (green-blind)

#E7D050

Tritanopia (blue-blind)

#BED5C1

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #b5e042;
/* rgb */ color: rgb(181, 224, 66);
/* oklch */ color: oklch(84.8% 0.185 123.7);

Tailwind

colors: {
  custom: {
    50: '#cfe980',
    500: '#b5e042',
    950: '#000000',
  },
}

SCSS

$custom: #b5e042;
$custom-light: #cfe980;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e042",
  "rgb": {
    "r": 181,
    "g": 224,
    "b": 66
  },
  "hsl": {
    "h": 76.329,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.84763,
    "c": 0.18485,
    "h": 123.7
  },
  "luminance": 0.63528
}

Semantic roles & 50–950 ramp

primary

#B5E042

secondary

#4C3195

accent

#39EF6B

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #B5E042

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

Preview Lab → · Contrast checker → · Palette generator →