1.

The blue and green value are very high and very close to each other so it would be a light gray shade

2.

The numbers in red and blue are higher than green, so the color might be purple

   3.

There is not much red and blue  and a lot of green, so it might be green

4.

There is no blue and a lot of green, so I guessed it was something green

5.  

Red has the highest value, so i expected it to be something red