1. ImagManuel Color Correction.e
Ready ? ok lets begin. You can take the clips along with you, so you know where you are

1. Image Greyscale
2. Image Increase Colour depth 16 million colours
3. Ajust Colour Balance Manual Colour Correction
You now get this

Make a selection on the tube and then click on target to find a colour

OR you can click here:

and here

See? you can get just the color you want.