I'm sure I'm not alone in understanding this but i will give you a piece of advice, purely constructive criticism. I have a degree in Psychology and extensive knowledge of the eye. How that knowledge comes into play is simply this: Contrast. The only thing that matters to the human brain is contrast. Hue, or color, is something personal to everyone, color plays little part; from here I'm sure ill get some disagreeing remarks. but to test this look at fashion magazine, they are littered with contrasting colors, and tend to come in a monochromatic theme; this can also be seen in home magazines as well: dark floor and a light wall.
I have that exact shirt from express but instead of wearing purple i would wear a black tie. As some have said before with the amount of purple that is in the shirt and tie, and then to turn around and have both a checked weave it is too busy.
I think that the pocket square would be ok if it were matched to the tie. I would go with a solid color and stay away from unique weave patterns.
What i would wear: i would wear that same shirt, but instead of purple i would go with black (i know a little too dark) but i would instead go with a brilliant purple tie and pocket square. To me i feel that there should only be a few things that should "break out". I tend to wear black slacks, gray overcoat and white shirt...then i bring in a bright brilliant green tie or a bright color to draw on that contract and have my focal point be my tie which draws your eyes towards my face.
