vibrant 4k gradient with a smooth blend of teal, yellow, and green hues. grainy texture adds depth and softness, ideal for

background grainy wallpaper blur banner backdrop gradient teal yellow green texture abstract smooth soft colors artistic highresolution creative digital art modern color blend subtle visual stylish harmony vibrant professional design minimalistic transition highres trendy impact elegant moody tones cool use effect hues adds depth softness ideal wallpapers backdrops designs