org-edit-latex-environment(which opens another buffer so
latex source code can be edited in more sophiscated environment, e.g.
org-mode, the source block will be highlight as yellow (just as figure below), which is kind of distracting. So, how can I customize this, for example, how to change the color?
Put your cursor on the yellow text and use
C-u C-x =.
Look near the bottom of the resulting
*Help*buffer for mention of what the face is that is used.
M-x customize-faceto customize that face.