yellowish green
no
Most geckos are nocturnal. So, during the day, most tend to darken their color. Some geckos, like the Crested Gecko, has a brighter more beautiful color at night.
Yes, there are some geckos that are black in color. The two most popular geckos that are black in color are the leopard gecko and the black pearl gecko.
geckos have the ability alter their color in a minor way under stress this would be considered a defense
White
Bibron geckos do not change color as in trying to mimic their background but as with most geckos, they can lighten and darken depending on a few factors: stress, husbandry, light cycle, tank mates, dehydration, malnutrition, diet or even breeding season. If they animals are not completely happy and content, they tend to look darker than the usual color.
All leopard geckos have different color shades, patters, and spots. There are also the albino leopard geckos, who have no spots at all- really cool
It depends on your map, but green is usually the default color for fertility.
A different color of hair, nothing more.
Red and White with a crescent moon and 5 stars
Lizards aren't geckos, but geckos are lizards
no geckos are not poison's