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.