Light guide and vehicle lamp

A light guide, comprising:

• a rod-shaped portion;
• and
• a plate-shaped portion, wherein
• the rod-shaped portion includes
• a rod-shaped light guide portion, and
• a connecting projection portion projecting from a peripheral surface of the rod-shaped light guide portion and extending along the rod-shaped light guide portion, and
• the plate-shaped portion includes
• two principal surfaces facing opposite to each other, and
• a plate-shaped portion side surface connecting the two principal surfaces,
• the light guide being a multi-color molded product in which the rod-shaped light guide portion is formed of a first resin material, the connecting projection portion is formed of the first resin material and the plate-shaped portion is formed of a second resin material containing a light diffusing agent,
• the first resin material contains the light diffusing agent at a concentration lower than that in the second resin material or contains no light diffusing agent,
• the rod-shaped light guide portion being connected to the plate-shaped portion side surface by the connecting projection portion.