Color's are probably the most used BB code on forums, therefore you should probably know how to do them. To do colors, do EXACTLY this:
[color=red[size=1].[/size]] Insert Desired text here [/color]
Of course the text will come up In red when you do it. Red is not the only color you can use, in fact, there is 150 different colors you can use. Here is a list of all of them:
AliceBlue: Example.
AntiqueWhite: Example.
Aqua: Example.
Aquamarine: Example.
Azure: Example.
Beige: Example.
Bisque: Example.
Black: Example.
Blanchedalmond: Example.
Blue: Example.
BlueViolet: Example.
Brown: Example.
BurlyWood: Example.
CadetBlue: Example.
Chartreuse: Example.
Chocolate: Example.
Coral: Example.
CornflowerBlue: Example.
Cornsilk: Example.
Crimson: Example.
Cyan: Example.
DarkBlue: Example.
DarkCyan: Example.
DarkGoldenRod: Example.
DarkGrey: Example.
DarkGreen: Example.
DarkKhaki: Example.
DarkMagenta: Example.
DarkOliveGreen: Example.
Darkorange: Example.
DarkOrchid: Example.
DarkRed: Example.
DarkSalmon: Example.
DarkSeaGreen: Example.
DarkSlateBlue: Example.
DarkSlateGray: Example.
DarkTurquoise: Example.
DarkViolet: Example.
DeepPink: Example.
DeepSkyBlue: Example.
DimGrey: Example.
DodgerBlue: Example.
FireBrick: Example.
FloralWhite: Example.
ForestGreen: Example.
Fuchsia: Example.
Gainsboro: Example.
GhostWhite: Example.
Gold: Example.
GoldenRod: Example.
Grey: Example.
Green: Example
GreenYellow: Example.
HoneyDew: Example.
HotPink: Example.
IndianRed: Example.
Indigo: Example.
Ivory: Example.
Khaki: Example.
Lavender: Example.
LavenderBlush: Example.
LawnGreen: Example.
LemonChiffon: Example.
LightBlue: Example.
LightCoral: Example.
LightCyan: Example.
LightGoldenRodYellow: Example.
LightGrey: Example.
LightGreen: Example.
LightPink: Example.
LightSalmon: Example.
LightSeaGreen: Example.
LightSkyBlue: Example.
LightSlateGrey: Example.
LightSteelBlue: Example.
LightYellow: Example.
Lime: Example.
LimeGreen: Example.
Linen: Example.
Magenta: Example.
Maroon: Example.
MediumAquaMarine: Example.
MediumBlue: Example.
MediumOrchid: Example.
MediumPurple: Example.
MediumSeaGreen: Example.
MediumSlateBlue: Example.
MediumSpringGreen: Example.
MediumTurquoise: Example.
MediumVioletRed: Example.
MidnightBlue: Example.
MintCream: Example.
MistyRose: Example.
Moccasin: Example.
NavajoWhite: Example.
Navy: Example.
OldLace: Example.
Olive: Example.
OliveDrab: Example.
Orange: Example.
OrangeRed: Example.
Orchid: Example.
PaleGoldenRod: Example.
PaleGreen: Example.
PaleTurquoise: Example.
PaleVioletRed: Example.
PapayaWhip: Example.
PeachPuff: Example.
Peru: Example.
Pink: Example.
Plum: Example.
PowderBlue: Example.
Purple: Example.
Red: Example.
RosyBrown: Example.
RoyalBlue: Example.
SaddleBrown: Example.
Salmon: Example.
SandyBrown:
Example.
SeaGreen: Example.
SeaShell: Example.
Sienna: Example.
Silver: Example.
SkyBlue: Example.
SlateBlue: Example.
SlateGray: Example.
Snow: Example.
SpringGreen: Example.
SteelBlue: Example.
Tan: Example.
Teal: Example.
Thistle: Example.
Tomato: Example.
Turquoise: Example.
Violet: Example.
Wheat: Example.
White: Example.
WhiteSmoke: Example.
Yellow: Example.
YellowGreen: Example.
Or here is a link to a website with all the colours.
There's a list of all the colors you can use. There's alot of colors so I doubt you'll use all of them.