Here’s a vibrant color palette designed for an art activity poster, featuring two contrasting colors and one catchy color:

json
{
  "palette_name": "Art Activity Vibrance",
  "colors": [
    {
      "name": "Electric Blue",
      "hex_code": "
          
          #007BFF
       "
    },
    {
      "name": "Vivid Orange",
      "hex_code": "
          
          #FF5722
       "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
          
          #FFEB3B
       "
    }
  ]
}

This palette features Electric Blue and Vivid Orange as contrasting colors, complemented by Bright Yellow to catch the eye and draw attention to your art activity poster.

Would you like to know how to use these colors effectively in your design?