Here’s a color palette that could be suitable for creating diagrams, focusing on clarity and contrast:

json
{
  "palette_name": "Diagram Clarity",
  "colors": [
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Lime Green",
      "hex_code": "
                            
                            #32CD32
                        "
    },
    {
      "name": "Coral",
      "hex_code": "
                            
                            #FF7F50
                        "
    },
    {
      "name": "Goldenrod",
      "hex_code": "
                            
                            #DAA520
                        "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
                            
                            #708090
                        "
    }
  ]
}

This palette features bright and contrasting colors that can help highlight different elements in your diagram effectively.

What kind of diagram are you planning to draw, and do you have any specific themes or styles in mind?