Flat Design with 18th-Century Nobility and Diagrams AI Image Prompt

Simple and clean flat design. Figures and icons drawn with uniform black outlines, partially using pastel accent colors (sky blue, coral pink, etc.). Emphasize rounded shapes and a soft impression. Diagram-centric composition (e.g., Venn diagrams, bar graphs, speech bubbles) with a friendly tone suitable for materials viewed by students and young people, or for social media. Design with ample white space, prioritizing visibility and balance. The figures appearing should be dressed as 18th-century European nobility. Brand color: #06c7b0. Image size: 1280px × 670px (16:9 aspect ratio). Display the title at the top of the illustration.