Khaki Overalls How Can I "personalize" My Dresscode?

How can I "personalize" my dresscode? - khaki overalls

These standards
There must be khaki / tan, navy, dark green or white
It should be one color, no design or color matching
No jeans.
No sleeveless tops.
No overalls.
No sweat pants or sweat pants

Clothes
Pants
Shorts
Turtleneck - simulations and traditional
Jerseys
Clothes
Jumpers
Polo shirts - long and short sleeves
Henley shirts - long and short sleeves
Skirts