Translucent Chao are chao with the only non-see-through visible parts being their wings, their eyes, and their emotiball. They are different from invisible chao because you can see their skin and skin color but the skin is see-through. Making a translucent chao is very similar to making an invisible chao but is slightly easier because you have more color options. The way to make a translucent chao is to mate any shiny colored chao bought from the black market (except for Shiny Yellow, Shiny White, Shiny Pink, and Shiny Lime Green) with Any Jewel Chao bought from the GBA.
NOTE: The image below was made through a mating of a Shiny Blue Chao and a Jewel Chao.

Statistics for Translucent Chao Color.
Shiny Brown Chao + Jewel Chao = White-colored with a tiny bit of light blue in it.
Shiny Orange Chao + Jewel Chao = Lime-Green-colored with yellow top of head, feet, and hands.
Shiny Green Chao + Jewel Chao = A green translucent chao.
Shiny Blue Chao + Jewel Chao = A normal colored see through chao.
Shiny Purple Chao + Jewel Chao = Sky-Blue-colored with green top of head, feet, and hands.
Shiny Sky Blue Chao + Jewel Chao = Light Blue and Light Green chao with yellow top of head, feet, and hands.
Shiny Black Chao + Jewel Chao = [BEING TESTED]
Shiny Red Chao + Jewel Chao = Green with yellow top of head, feet, and hands.
Shiny Pink Chao + Jewel Chao = [BEING TESTED]
Shiny White Chao + Jewel Chao = Invisible Chao
((Thanks to Chao Civic for Stats. ))