Not exactly. Apparently, a man's ejaculate is healthy if it's white or light grey in color. Yellowish or greenish discoloration may indicate the presence of an infection. Other factors that contribute to healthy sperm include following a balanced diet, doing exercise, wearing lose underwear, not having unhealthy or toxic habits, etc.
In any case, ejaculate may have all these characteristics but still be unhealthy due to the presence of genetic diseases, low sperm count, abnormal morphology, etc. The best way one can get accurate information about sperm quality is via a semen analysis.
Read the full article on: List of Sperm Disorders that Cause Male Infertility ( 38).

Rebeca Reus
BSc, MSc
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).