how can i change my colour to the negative version of itself

Question

Hi

I know how to recolour my artwork and can change quickly. However I am know being asked to reverse the colour combination, where white becomes dark blue and dark blue becomes a very light blue etc

this piece or art has many many colours, so its not a case of selecting the same and just changing as it will take hours and i want the right colour reverse.

is there a way of doing this like the recolour artwork system? quick and easy have added the .ai also if that helps

been stuck for ages

many thanks

Ton Frederiks · Accepted Answer

I was thinking about Jacob's method (but would have forgotten the addition of a white object).Should look like this:

Jacob Bugge · Answer

dandeyong,

Maybe far too far out, but you can (always set (a copy of) the original artwork aside before you destroying things):

1) Create a rectangle/square/other path (for other shape of artwork) exactly covering the whole artwork, behind the artwork, then give it the darkest blue colour;

2) Copy the path from 1) in front of itself (so it is between the bottom single colour path and the artwork), then turn the copy path white;

3) Select the entire artwork and Group it if not already, then convert it to grayscale (therefore keep/save a copy of the original);

4) Select the grayscale artwork and the white middle path and in the Transparency palette use Make (Opacity) Mask with Invert Mask ticked.

Below is a crude sample based on an RGB Blue on a grey background, original first; you can see how the white to the right becomes the full blue, and the full blue to the left becomes a very light blue, the lightness depending on the darkness of the full blue/its grayscale equivalent.

Click Here to see in Chrome

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