What is the visual difference between two elements ? balance contrast dominance harmony

The visual difference between two elements is the contrast. Contrast denotes the difference in quality between two instances of an art element, or using opposing qualities next to each other.The greater the contrast, the more the element will stand out and call attention to itself. Example: black/white/ rough/smooth, geometric/angular...

i think i remember playing this game is it something like this?

1 episode list

    2 reception

    3 references

    4 external links

where and what are the statements?