How to type in color on clash royale

In order to chat your text in color in the famous game Clash Royale of Supercell, you have to use a template below: 
<c + “hexadecimal value of the color of your choice.”> text here </c>.
For example, to make your text in red (ff0000) : <cff0000> text here </c>

Cprogram to find //perimeter of rectangle printf(" \n perimeter of rectangle \n"); printf(""); printf("\n enter width and length of the rectangle : "); scanf("%f%f", & width,& length); perimeter = 2 * (width + length); printf("perimeter of rectangle is: %.3f", perimeter);