How to save color

Instead of writing your own methods, you could use unity's ColorUtility class:

 // Store single color
 Color color;
 PlayerPrefs.SetString("ColorKey", ColorUtility.ToHtmlStringRGB(color)); // without alpha
 PlayerPrefs.SetString("ColorKey", ColorUtility.ToHtmlStringRGBA(color)); // with alpha
 
 // Load single color
 Color color;
 ColorUtility.TryParseHtmlString("#" + PlayerPrefs.GetString("ColorKey"), out color);
 
 // store color array
 Color[] colors; 
 //// fill array with your colors ////
 int numberOfColors = colors.Length;
 for (int i = 0; i < numberOfColors; i++){
   Color color = colors[i];
   PlayerPrefs.SetString("ColorKey" + i, ColorUtility.ToHtmlStringRGBA(color)); // with alpha
 }
 
 // load color array
 Color[] colors = new Color[numberOfColors];
 for (int i = 0; i < numberOfColors; i++){
   ColorUtility.TryParseHtmlString("#" + PlayerPrefs.GetString("ColorKey" + i), out colors[i]);
 }

Edit: Adding "#" in front of colorHtmlString is required (see: https://docs.unity3d.com/ScriptReference/ColorUtility.TryParseHtmlString.html)

Hi @unity_G2yrNlWYdpJKuw . Try this.

  void SaveColor(Color color)
     {
     PlayerPrefs.SetString("SavedColor", ColorToHex(color));
     }
     void GetSavedColor()
     {
           Color GetedColor=  HexToColor(PlayerPrefs.GetString("SavedColor"));
     }
     // Note that Color32 and Color implictly convert to each other. You may pass a Color object to this method without first casting it.
     string ColorToHex(Color32 color)
     {
         string hex = color.r.ToString("X2") + color.g.ToString("X2") + color.b.ToString("X2");
         return hex;
     }
      
     Color HexToColor(string hex)
     {
         byte r = byte.Parse(hex.Substring(0,2), System.Globalization.NumberStyles.HexNumber);
         byte g = byte.Parse(hex.Substring(2,2), System.Globalization.NumberStyles.HexNumber);
         byte b = byte.Parse(hex.Substring(4,2), System.Globalization.NumberStyles.HexNumber);
         return new Color32(r,g,b, 255);
     }

hey @unity_G2yrNlWYdpJKuw . use this code. for save and get save color just you need to call. SaveColor() and GetSaveColor(). u can also set and get Collor Array at a time.

public class MyPlayerPrefs : MonoBehaviour {

 public static Color GetSaveColor (string key)
 {
     string col = PlayerPrefs.GetString (key);

     Debug.Log (col);


     if (col == "")
     {
         return Color.black;
     }

     string[] strings = col.Split (',');

     Color output = new Color ();

     for (int i = 0; i < 4; i++)
     {
         output [i] = System.Single.Parse (strings [i]);

     }

     return output;
 }

 public static bool CheckColor (string key)
 {
     if (PlayerPrefs.HasKey (key))
         return true;
     else
         return false;
 }



 public static void SaveColor (Color color, string key)
 {
     string col = color.ToString ();
     col = col.Replace ("RGBA(", "");
     col = col.Replace (")", "");


     PlayerPrefs.SetString (key, col);            
 }

 public static void SaveColorArray (Color[] col, string key)
 {
     int i = 0;    
     PlayerPrefs.SetInt (key, col.Length);
     foreach (Color c in col)
     {
         SaveColor (c, key + i++);
     }
 }


 public static Color[] GetSaveColorArray (string key)
 {
     if (!PlayerPrefs.HasKey (key))
         return null;

     int len = PlayerPrefs.GetInt (key);
     Color[] tem = new Color[len];

     for (int i = 0; i < len; i++)
     {
         tem [i] = GetSaveColor (key + i);
     }

     return tem;
 }

}