This Color Display Program is VERY user-friendly and at the same time quite powerful. It can display ALL the 16,777,216 possible colors from "000000" through "FFFFFF".
16,777,216 Colors - Hex & Decimal Display
However, the text color does not change.
If either of these is a bit overwhelming, try this link
1) The left side of the page controls the background color and the right side controls font (or text) color.
2) Each of the 6 rows consists of the characters:
Rolling the mouse over any of these characters will change the colors.
3) With EVERY color change, the 2 output boxes will
display the six digit "hex value" of that color.
4) This program is quite handy for experimenting. When you create a color you like, write the numbers down and use it on your webpage(s).
But enough talk - you'll learn quickly just by doing.