Colors to be used in BSP

Hi Experts,

According to my requirement, I am shading a particular column in table view display of BSP. What are the colors that can be used for this purpose.

Presently i am using following colors and i need one more color different from these.

BADVALUE_DARK (Red)

GOODVALUE_DARK (Green)

KEY_MEDIUM (Blue)

GROUP_LEVEL1 (Purple)

TOTAL (Yellow).

Any help will be highly appreciated.