abstract beach bronze colorful glass stones texture castle cathedral colors prague stained glass window Easter egg eggs appearance background below blended bright color colored colour coloured colourful dark decorative design detailed details fiery fire firelight glassy golden interconnected interlinked light lighting orange patterned-glass patterns perspectives raised shape shaped shapes style tactile textured textures thick thin vibrant wallpaper circular green purple red symmetry transparent visual backdrop blend colours hue hues series shade shades spectrum tone tones variation variations