How to find a range of threshold value for canny edge detector with image features?

Is there any features which can be used to find a range of threshold for canny edge detection? I used the colors of an image to get a range of threshold values for canny edge detection. For example,

Red Color Th 0.2- 0.4
Green Color Th 05. - 0.8

However it is only right for one image I checked and doesn't support the other images. Is there any features such as brightness, intensity or anything else that can define the range of the threshold in a canny edge detection, So if it is there in the image, we can state that this value can be used to detect this feature