#B5E251#B5E251

#B5E251 is a very light, vivid yellow-green. Relative luminance 0.648; OKLCH L 85.3% C 0.177 H 124.8°. Best body text is #000000 at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#B5E251
RGB	rgb(181, 226, 81)
HSL	hsl(79, 71%, 60%)
HSV	hsv(79, 64%, 89%)
CMYK	cmyk(19.9%, 0%, 64.2%, 11.4%)
CIE-LAB	lab(84.39, -35.25, 63.77)
CIE-LCH	lch(84.39, 72.86, 118.93°)
OKLab	oklab(85.34% -0.1011 0.1455)
OKLCH	oklch(85.34% 0.177 124.8)
XYZ	xyz(47.7379, 64.8101, 17.7776)
Luminance	0.6481 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5E251 #7E51E2

analogous

#E2C751 #B5E251 #6CE251

triadic

#B5E251 #51B5E2 #E251B5

tetradic

#B5E251 #51E2C7 #7E51E2 #E2516C

square

#B5E251 #51E2C7 #7E51E2 #E2516C

split-complementary

#B5E251 #516CE2 #C751E2

monochromatic

#759E1A #9CD323 #B5E251 #CBEB85 #E2F3BA

Accessibility & contrast

On white

1.50

#B5E251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.96

#B5E251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5E251

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5E251	#FFFFFF	#000000	##000000
##B5E251	1.00	1.50	13.96	13.96
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.96	21.00	1.00	1.00
##000000	13.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED43E

Deuteranopia (green-blind)

#E8D25C

Tritanopia (blue-blind)

#BDD8C4

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #b5e251;
/* rgb */ color: rgb(181, 226, 81);
/* oklch */ color: oklch(85.3% 0.177 124.8);

Tailwind

colors: {
  custom: {
    50: '#ceeb88',
    500: '#b5e251',
    950: '#000000',
  },
}

SCSS

$custom: #b5e251;
$custom-light: #ceeb88;
$custom-dark: #000000;

JSON

{
  "hex": "#b5e251",
  "rgb": {
    "r": 181,
    "g": 226,
    "b": 81
  },
  "hsl": {
    "h": 78.621,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.85335,
    "c": 0.17717,
    "h": 124.8
  },
  "luminance": 0.64811
}

Semantic roles & 50–950 ramp

primary

#B5E251

secondary

#5736A1

accent

#12D34E

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160C

muted

#83847F

Preview Lab

Preview with #B5E251

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

Preview Lab → · Contrast checker → · Palette generator →