Here is a gradient color palette that transitions from lighter to darker shades, maintaining a cohesive theme based on your original palette colors:

json
{
  "palette_name": "Gradient Color Palette",
  "colors": [
    {
      "name": "Light Ocean Blue",
      "hex_code": "
          
          #A4D8E1
       "
    },
    {
      "name": "Ocean Blue",
      "hex_code": "
          
          #0077B6
       "
    },
    {
      "name": "Dark Ocean Blue",
      "hex_code": "
          
          #005F8C
       "
    },
    {
      "name": "Light Lime Green",
      "hex_code": "
          
          #E2F0A5
       "
    },
    {
      "name": "Lime Green",
      "hex_code": "
          
          #C1D72F
       "
    },
    {
      "name": "Dark Lime Green",
      "hex_code": "
          
          #A8D500
       "
    },
    {
      "name": "Light Sky Blue",
      "hex_code": "
          
          #B2E0F0
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Dark Sky Blue",
      "hex_code": "
          
          #007BB8
       "
    },
    {
      "name": "Light Coral",
      "hex_code": "
          
          #FFB2A0
       "
    },
    {
      "name": "Coral",
      "hex_code": "
          
          #FF7F50
       "
    },
    {
      "name": "Dark Coral",
      "hex_code": "
          
          #C74B2E
       "
    },
    {
      "name": "Light Goldenrod",
      "hex_code": "
          
          #F6E2A0
       "
    },
    {
      "name": "Goldenrod",
      "hex_code": "
          
          #DAA520
       "
    },
    {
      "name": "Dark Goldenrod",
      "hex_code": "
          
          #B8860B
       "
    },
    {
      "name": "Light Orchid",
      "hex_code": "
          
          #EAB8E4
       "
    },
    {
      "name": "Orchid",
      "hex_code": "
          
          #DA70D6
       "
    },
    {
      "name": "Dark Orchid",
      "hex_code": "
          
          #9932CC
       "
    }
  ]
}

Palette Description:

This gradient color palette features a smooth transition from lighter to darker shades of your original colors. Each color flows into the next, providing a rich visual experience that is perfect for creating gradients in Excel or any design application.

Would you like to explore any specific combinations or additional colors for your gradient?