a vibrant holiday background with purple and yellow hues adorned with scattered stars, creating a celestial atmosphere

purple yellow holiday background stars celestial colorful bright space cosmos astronomy night galaxy design decoration bodies luminous radiant glowing shimmering twinkling event cosmic backdrop texture abstract gradient constellations universe sparkling shining glittering star galactic shimmer atmosphere vibrant hues scattered festive cheerful celebration magical whimsical colors vibes joyful mood starry sky beauty