Based on your request for a color palette that includes black and incorporates mint, peach, sage, and apricot, here is a gradient-inspired palette with 12 colors:

json
{
  "palette_name": "Gradient Hexi Blanket",
  "colors": [
    {
      "name": "Black",
      "hex_code": "
          
          #000000
       "
    },
    {
      "name": "Mint",
      "hex_code": "
          
          #98FF98
       "
    },
    {
      "name": "Peach",
      "hex_code": "
          
          #FFDAB9
       "
    },
    {
      "name": "Sage",
      "hex_code": "
          
          #B2BBA0
       "
    },
    {
      "name": "Apricot",
      "hex_code": "
          
          #FBAB60
       "
    },
    {
      "name": "Light Mint",
      "hex_code": "
          
          #B2E3B2
       "
    },
    {
      "name": "Soft Peach",
      "hex_code": "
          
          #FFE5B4
       "
    },
    {
      "name": "Dark Sage",
      "hex_code": "
          
          #8D9B77
       "
    },
    {
      "name": "Apricot Blush",
      "hex_code": "
          
          #FBBE7E
       "
    },
    {
      "name": "Mint Cream",
      "hex_code": "
          
          #F2FFFB
       "
    },
    {
      "name": "Peach Puff",
      "hex_code": "
          
          #FFD1A0
       "
    },
    {
      "name": "Sage Mist",
      "hex_code": "
          
          #C5D8C9
       "
    }
  ]
}

This palette features a combination of soft and vibrant colors that blend well together, perfect for a gradient hexi blanket!

Do you have any specific preferences for the shades or any additional colors you’d like to incorporate into this palette?