#B4D541#B4D541

#B4D541 is a very light, vivid yellow-green. Relative luminance 0.577; OKLCH L 82.2% C 0.173 H 121.3°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#B4D541
RGB	rgb(180, 213, 65)
HSL	hsl(73, 64%, 55%)
HSV	hsv(73, 69%, 84%)
CMYK	cmyk(15.5%, 0%, 69.5%, 16.5%)
CIE-LAB	lab(80.56, -30.66, 65.93)
CIE-LCH	lch(80.56, 72.71, 114.94°)
OKLab	oklab(82.19% -0.0898 0.1478)
OKLCH	oklch(82.19% 0.173 121.3)
XYZ	xyz(43.5714, 57.6735, 13.8367)
Luminance	0.5767 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D541 #6241D5

analogous

#D5AC41 #B4D541 #6AD541

triadic

#B4D541 #41B4D5 #D541B4

tetradic

#B4D541 #41D5AC #6241D5 #D5416A

square

#B4D541 #41D5AC #6241D5 #D5416A

split-complementary

#B4D541 #416AD5 #AC41D5

monochromatic

#697F1C #93B227 #B4D541 #C8E073 #DCEBA5

Accessibility & contrast

On white

1.68

#B4D541 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.53

#B4D541 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D541

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D541	#FFFFFF	#000000	##000000
##B4D541	1.00	1.68	12.53	12.53
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.53	21.00	1.00	1.00
##000000	12.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C829

Deuteranopia (green-blind)

#DEC84D

Tritanopia (blue-blind)

#BECAB8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b4d541;
/* rgb */ color: rgb(180, 213, 65);
/* oklch */ color: oklch(82.2% 0.173 121.3);

Tailwind

colors: {
  custom: {
    50: '#cee27e',
    500: '#b4d541',
    950: '#000000',
  },
}

SCSS

$custom: #b4d541;
$custom-light: #cee27e;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d541",
  "rgb": {
    "r": 180,
    "g": 213,
    "b": 65
  },
  "hsl": {
    "h": 73.378,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.82191,
    "c": 0.17292,
    "h": 121.3
  },
  "luminance": 0.57673
}

Semantic roles & 50–950 ramp

primary

#B4D541

secondary

#463487

accent

#41E766

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B4D541

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

Preview Lab → · Contrast checker → · Palette generator →