Parameters and sizing

Let’s talk about the industry standards for book cover designs. Here’s a breakdown of common terms and standards:

• File type: If you are submitting a book cover file to an online print-on-demand service, you’ll want to choose the correct file type. Note that the default option for saving DALL-E 3 images is WebP on OpenAI and JPG on Bing (at the time of writing). You can read more about print-on-demand services here: https://www.oberlo.com/blog/print-on-demand-books.
• Color settings: You’ll want to save your image as an RGB file if your book is online, or a CMYK file if it’ll be printed. The choice between RGB and CMYK depends on the final medium where the image will be displayed. RGB is optimal for digital screens due to its ability to represent a wide range of colors through light, while CMYK is essential for printed materials because it aligns with the color-mixing process of physical printing.
• Resolution: Use...