spectrum

abstract advertise artistic backdrop background black blank blocks blue bright brochure calibrate color colorful colors colour colourful colours combination concept cover cyan decor decoration decorative design digital drawing effect element frequencies frequency futuristic gamut gigahertz gradient graphic green illumination illustration image imagination laser light lights line lines lot magic megahertz microwaves modern mosaic multicolor optic orange page pattern pieces pink pixel pixelated presentation prism psychedelic purple radiation rainbow red rendering shape spectrum spot square temperature template texture textured trendy variegated vibrant vivid wallpaper wave wavelength wavelengths waves web wheel white yellow