Here is a color palette suitable for a stacked chart with 8 distinct colors:

json
{
  "palette_name": "Stacked Chart Colors",
  "colors": [
    {
      "name": "Ocean Blue",
      "hex_code": "
                            
                            #007BFF
                        "
    },
    {
      "name": "Sunset Orange",
      "hex_code": "
                            
                            #FF5733
                        "
    },
    {
      "name": "Lime Green",
      "hex_code": "
                            
                            #28A745
                        "
    },
    {
      "name": "Royal Purple",
      "hex_code": "
                            
                            #6F42C1
                        "
    },
    {
      "name": "Crimson Red",
      "hex_code": "
                            
                            #DC3545
                        "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
                            
                            #FFC107
                        "
    },
    {
      "name": "Sky Gray",
      "hex_code": "
                            
                            #6C757D
                        "
    },
    {
      "name": "Deep Teal",
      "hex_code": "
                            
                            #20C997
                        "
    }
  ]
}

This palette includes vibrant and contrasting colors that work well together in a stacked chart, allowing for clear differentiation between the data sets.

Do you have any specific themes or styles in mind for your chart, or would you like adjustments to this palette?