Here’s a professional color palette suitable for a tech workbook:

json
{
  "palette_name": "Tech Professional",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
          
          #003366
       "
    },
    {
      "name": "Silver Gray",
      "hex_code": "
          
          #C0C0C0
       "
    },
    {
      "name": "Soft White",
      "hex_code": "
          
          #FFFFFF
       "
    },
    {
      "name": "Vibrant Green",
      "hex_code": "
          
          #28A745
       "
    },
    {
      "name": "Charcoal Black",
      "hex_code": "
          
          #333333
       "
    }
  ]
}

This palette combines deep and neutral tones with a touch of vibrant color, making it suitable for a professional tech environment. Would you like to explore different shades or perhaps a different style for your workbook?