Create an elegant abstract artwork for Sheilla's 50th birthday

Create an elegant abstract artwork for Sheilla's 50th birthday. Use the initials 'SL' in metallic gold as the main focus, on a black background. Add abstract and sophisticated elements around the initials, like flowing patterns and elegant shapes. Include the text 'YEARS' in a smaller serif font below the initials. The image should reflect a luxurious and modern design."