(6 Videos) 1  Inspirational basketball player Lauren Hill dies at 19. 2  2014: First college game is dying player's last. 3  2014: Terminally ill girl realizes hoop dream.  Cancer patient lives basketball 1  dream. Lauren Hill's dream game.  College athlete's dying wish granted.
Semen is normally a whitish-gray color. It's usually quite thick after ejaculation, but liquefies within 30 minutes. Changes in the appearance of semen might be temporary and not a health concern. However, sometimes these changes can be a sign of an underlying medical condition that requires further evaluation.emen is normally a whitish-gray color. It's usually quite thick after ejaculation, but liquefies within 30 minutes. Changes in the appearance of semen might be temporary and not a health concern. However, sometimes these changes can be a sign of an underlying medical condition that requires further evaluation.
Semen from a mature male is usually a milky or pearly-white color. It is not uncommon to see a yellowish tint to the semen if you've abstained from ejaculation for a while. Semen colored with red streaks may signify blood. If you occasionally see a bit of blood it's not necessarily a cause for alarm, but if you see a lot of it, or if it persists, the condition should be brought to the attention of your physician. The same goes any other drastic color changes, which may indicate infection.