If you have seen a yellow horse in a dream: It is useful to test and research the accuracy of the information you receive, you may struggle to reach your goals. To see a yellow horse in a dream indicates that the person who sees the dream will experience some setbacks in his business life and this situation will cause negativities in the life of the dreamer and negatively affect his social and family life. Seeing a yellow horse in a dream also means that one's eyes will be opened and he will know exactly what he wants from life.