Here is the second version of my contrast design, the first being the same design, but, in a white font. I have changed the color from white to yellow as yellow creates for a more interesting aesthetics as well as being more friendlier to the eyes.
Here is the first version of my lines design, the lines abstractly spelling out the words design
and here is my second version, where I tweaked the colour, and some lines.
And here is the first draft of my repetition design.