pastel abstract gradient backgrounds. soft tender pin and blue gradients for app, web , webpages, banners, greeting cards.

abstract background design gradient smooth modern bright blue art pattern blur graphic wallpaper light texture vector soft color banner copy space template colour horizontal purple vibrant poster rainbow colourful fantasy defocused creative creativity curve futuristic glowing empty shape dark colored effect flowing neon softness website technology pastel backgrounds tender pin gradients app web webpages banners greeting cards