creo4 config.pro option documentation for: LIGHT_WELD_HIDDEN_COLOR

light_weld_hidden_color
58.823529 58.039216 54.117647
*
, <red percentage> <green percentage> <blue percentage>
Defines the default color for light welds that are hidden by overlapping geometry. The three decimal values specify, in this order, the percentages of red, green, and blue in the resulting color. For example, 0 0 49 specifies a medium blue color. The decimal values range from 0 through 100.