#B4D545#B4D545

#B4D545 is a very light, vivid yellow-green. Relative luminance 0.577; OKLCH L 82.2% C 0.170 H 121.4°. Best body text is #000000 at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#B4D545
RGB	rgb(180, 213, 69)
HSL	hsl(74, 63%, 55%)
HSV	hsv(74, 68%, 84%)
CMYK	cmyk(15.5%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(80.58, -30.43, 64.46)
CIE-LCH	lch(80.58, 71.28, 115.27°)
OKLab	oklab(82.22% -0.0888 0.1453)
OKLCH	oklch(82.22% 0.17 121.4)
XYZ	xyz(43.6914, 57.7215, 14.4687)
Luminance	0.5772 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4D545 #6645D5

analogous

#D5AE45 #B4D545 #6CD545

triadic

#B4D545 #45B4D5 #D545B4

tetradic

#B4D545 #45D5AE #6645D5 #D5456C

square

#B4D545 #45D5AE #6645D5 #D5456C

split-complementary

#B4D545 #456CD5 #AE45D5

monochromatic

#6B821D #94B429 #B4D545 #C8E077 #DCECA9

Accessibility & contrast

On white

1.67

#B4D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.54

#B4D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B4D545

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4D545	#FFFFFF	#000000	##000000
##B4D545	1.00	1.67	12.54	12.54
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.54	21.00	1.00	1.00
##000000	12.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C92F

Deuteranopia (green-blind)

#DDC850

Tritanopia (blue-blind)

#BDCAB8

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b4d545;
/* rgb */ color: rgb(180, 213, 69);
/* oklch */ color: oklch(82.2% 0.170 121.4);

Tailwind

colors: {
  custom: {
    50: '#cee281',
    500: '#b4d545',
    950: '#000000',
  },
}

SCSS

$custom: #b4d545;
$custom-light: #cee281;
$custom-dark: #000000;

JSON

{
  "hex": "#b4d545",
  "rgb": {
    "r": 180,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 73.75,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.82221,
    "c": 0.17028,
    "h": 121.4
  },
  "luminance": 0.57721
}

Semantic roles & 50–950 ramp

primary

#B4D545

secondary

#483589

accent

#42E667

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B4D545

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

Preview Lab → · Contrast checker → · Palette generator →