The RGB Color texture outputs the color specified in the color parameters (figure 1). In the following illustration, the NodeGraph Editor window is used to clearly illustrate the association of the various texture nodes.
Figure 1: The RGB Color node connected to the DiffuseAmount of diffusion, or the reflection of light photons at different angles from an uneven or granular surface. Used for dull, non-reflecting materials or mesh emitters. input of a Diffuse materialUsed for dull, non-reflecting materials or mesh emitters..