Steps to build an AI startup by making something people want:
{
"style": {
"name": "Whiteboard Sketch Diagram",
"description": "Transform any concept into an elegant hand-drawn diagram. Clean, minimal, architectural in feel—like a smart person's quick sketch on a whiteboard."
},
"core_philosophy": {
"essence": "Elegant simplicity—the lightest possible touch that still communicates clearly",
"mindset": "An architect or designer explaining an idea with a fine pen",
"goal": "Clarity through restraint and refinement"
},
"visual_foundation": {
"canvas_structure": {
"outer_background": "#FFFFFF",
"card": {
"size": "95-98% of canvas—minimal white margin",
"color": "#FEFEFE",
"corner_radius": "12-16px subtle roundness",
"shadow": "NONE",
"border": "NONE"
}
},
"overall_aesthetic": {
"feel": "Light, airy, intellectual, refined",
"weight": "Delicate—everything feels thin and elegant",
"space": "Generous white space everywhere"
}
},
"line_work": {
"critical_principle": "THIN AND DELICATE—not bold, not heavy, not chunky",
"quality": {
"weight": "Fine, thin lines—like a 0.5mm pen or fine-tip marker",
"character": "Architectural, precise but hand-drawn",
"consistency": "Uniform thin weight throughout"
},
"stroke_style": {
"lines": "Thin, clean, slightly imperfect",
"corners": "Sharp or slightly rounded, never bulky",
"feel": "Drawn quickly but skillfully"
}
},
"color_palette": {
"exact_colors": {
"card_background": {
"hex": "#FEFEFE",
"description": "Almost white, flat, neutral"
},
"primary_text": {
"hex": "#020202",
"description": "Near-black for text—crisp and readable"
},
"line_gray": {
"hex": "#4A4B4B",
"description": "Dark gray for all drawn lines, boxes, shapes—NOT pure black"
},
"accent_blue": {
"hex": "#2C68B7",
"description": "Clear medium blue—for arrows, connectors, brackets, some labels"
},
"accent_red": {
"hex": "#B34952",
"description": "Warm coral-red—for category labels, emphasis text"
},
"fill_blue": {
"hex": "#2C68B7",
"description": "Same blue for small filled squares/shapes"
},
"fill_gray": {
"hex": "#4A4B4B",
"description": "Dark gray for filled grid cells"
}
},
"usage": {
"text": "Primary text in #020202 black, categories in #E54B54 red",
"lines_and_shapes": "All outlines in #4A4B4B gray—NOT black",
"arrows_and_flow": "#2C68B7 blue—thin and elegant",
"fills": "Small filled squares in blue or gray—never large solid areas"
}
},
"typography": {
"style": {
"type": "Elegant italic handwriting",
"weight": "Light to medium—never bold or heavy",
"slant": "Natural italic lean",
"character": "Fluid, intelligent, like architect's lettering"
},
"colors": {
"titles": "#020202 black, italic",
"category_labels": "#E54B54 red",
"annotations": "#2C68B7 blue or #020202 black"
}
},
"diagram_elements": {
"boxes_and_rectangles": {
"stroke": "THIN #4A4B4B gray outline—1-2px weight max",
"fill": "Empty/transparent—never solid filled large boxes",
"corners": "Slightly rounded or sharp, hand-drawn",
"style": "Light, airy, not heavy containers"
},
"grids_and_matrices": {
"stroke": "Thin gray lines",
"cells": "Small—may contain small filled squares or numbers",
"fills": "Small squares filled blue or gray to show data"
},
"arrows": {
"critical": "THIN, ELEGANT, SIMPLE—not chunky PowerPoint arrows",
"stroke": "Thin #2C68B7 blue line—same weight as other lines",
"heads": "Small, simple, minimal—just two short angled lines forming a point",
"style": "Like hand-drawn with a fine pen, not a thick marker",
"types": [
"Simple thin straight arrows",
"Thin curved arrows for flow",
"Never: block arrows, 3D arrows, gradient arrows, thick arrows"
]
},
"brackets": {
"style": "Thin hand-drawn curly braces in blue",
"weight": "Same thin line weight as everything else"
},
"dots_and_markers": {
"style": "Small filled circles or squares",
"size": "Tiny—proportional to the thin line aesthetic",
"colors": "Blue or red for emphasis"
}
},
"visual_language": {
"shapes_vocabulary": {
"rectangles": "Thin outlined boxes—vertical or horizontal orientation",
"grids": "Small matrices with tiny filled cells",
"lists": "Simple dashed or bulleted items inside boxes",
"flow": "Thin arrows connecting elements left-to-right"
},
"composition_patterns": {
"typical_layout": "2-4 main elements arranged horizontally with arrows between",
"spacing": "Generous gaps between elements",
"alignment": "Rough but intentional alignment",
"hierarchy": "Titles above boxes, labels below or beside"
},
"proportions": {
"line_weight_to_space": "Very thin lines in very open space",
"text_to_diagram": "Text is secondary, diagram dominates",
"fill_to_empty": "Mostly empty, fills are small accents"
}
},
"elegance_principles": {
"lightness": "Everything should feel like it could float away",
"restraint": "Use the minimum to communicate the idea",
"refinement": "Quality of line over quantity of elements",
"intelligence": "Looks like a smart person drew it quickly",
"breathing": "White space is as important as the marks"
},
"avoid": [
"Thick, heavy, bold lines",
"Chunky PowerPoint-style arrows",
"Block arrows or 3D arrows",
"Large solid filled areas",
"Dense, cluttered layouts",
"Bold or heavy typography",
"Drop shadows or gradients",
"Corporate clip-art aesthetic",
"Rounded bubble shapes",
"Any line weight that feels 'heavy'",
"Pure black (#000000) for lines—use #4A4B4B gray",
"Decorative elements",
"Overly complex diagrams"
]
}