Premiere Elements 14 on what computer operating system.
Please see Expert workspace/fx Effects Tab at the bottom of the workspace/Video Tab. Select Color Correction/Three-Way Color Corrector.
After that effect is applied to the video clip, highlight the clip and go to Applied Effects Tab/Applied Effects Palette/Three-Way Color Corrector Panel expanded
Also see Adobe document on Premiere Elements Effects Reference/Color Correction
Also, see opportunities under Adjust Tab/Adjustments Panel/
Any questions or need clarification, please do not hesitate to ask.