#B5D541#B5D541

#B5D541 is a very light, vivid yellow-green. Relative luminance 0.578; OKLCH L 82.3% C 0.173 H 121.0°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#B5D541
RGB	rgb(181, 213, 65)
HSL	hsl(73, 64%, 55%)
HSV	hsv(73, 69%, 84%)
CMYK	cmyk(15%, 0%, 69.5%, 16.5%)
CIE-LAB	lab(80.62, -30.27, 66.02)
CIE-LCH	lch(80.62, 72.62, 114.63°)
OKLab	oklab(82.26% -0.0888 0.1479)
OKLCH	oklch(82.26% 0.173 121)
XYZ	xyz(43.8051, 57.7940, 13.8476)
Luminance	0.5779 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5D541 #6141D5

analogous

#D5AB41 #B5D541 #6BD541

triadic

#B5D541 #41B5D5 #D541B5

tetradic

#B5D541 #41D5AB #6141D5 #D5416B

square

#B5D541 #41D5AB #6141D5 #D5416B

split-complementary

#B5D541 #416BD5 #AB41D5

monochromatic

#6A7F1C #94B227 #B5D541 #C9E073 #DCEBA5

Accessibility & contrast

On white

1.67

#B5D541 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#B5D541 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B5D541

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5D541	#FFFFFF	#000000	##000000
##B5D541	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C929

Deuteranopia (green-blind)

#DEC84D

Tritanopia (blue-blind)

#BFCAB8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b5d541;
/* rgb */ color: rgb(181, 213, 65);
/* oklch */ color: oklch(82.3% 0.173 121.0);

Tailwind

colors: {
  custom: {
    50: '#cfe27e',
    500: '#b5d541',
    950: '#000000',
  },
}

SCSS

$custom: #b5d541;
$custom-light: #cfe27e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5d541",
  "rgb": {
    "r": 181,
    "g": 213,
    "b": 65
  },
  "hsl": {
    "h": 72.973,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.82262,
    "c": 0.17253,
    "h": 121
  },
  "luminance": 0.57794
}

Semantic roles & 50–950 ramp

primary

#B5D541

secondary

#463487

accent

#41E765

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B5D541

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

Preview Lab → · Contrast checker → · Palette generator →