How to get Color from Hex color code using .NET?

Question

How can I get Color from a Hex color code(e.g. #FFDFD991)?

I am reading a file and getting Hex color code, I need to create the corresponding System.Windows.Media.Color instance for the Hex color code. Is there any inbuilt method in framework to do this?

Answer 1

Assuming you mean the HTML type RGB codes (called Hex codes, such as #FFCC66), use the ColorTranslator class:

System.Drawing.Color col = System.Drawing.ColorTranslator.FromHtml("#FFCC66");

If, however you are using an ARGB hex code, you can use the ColorConverter class from the System.Windows.Media namespace:

Color col = ColorConverter.ConvertFromString("#FFDFD991") as Color;

Answer 2

If you mean HashCode as in .GetHashCode(), I'm afraid you can't go back. Hash functions are not bi-directional, you can go 'forward' only, not back.

Edit: Follow Oded's suggestion if you need to get the color based on the hexadecimal value of the color.

Answer 3

System.Drawing.Color.FromArgb(myHashCode);

?

Answer 4

If you don't want to use the ColorTranslator, you can do it in easily:

string colorcode = "#FFFFFF00";
int argb = Int32.Parse(colorcode.Replace("#", ""), NumberStyles.HexNumber);
Color clr = Color.FromArgb(argb);

The colorcode is just the hexadecimal representation of the argb value.

Answer 5

I'm assuming that's an ARGB code... Are you referring to System.Drawing.Color or System.Windows.Media.Color? The latter is used in WPF for example. I haven't seen anyone mention it yet, so just in case you were looking for it:

using System.Windows.Media;

Color color = (Color)ColorConverter.ConvertFromString("#FFDFD991");