When prototyping, male-to-male jumper wires are the most popular wires for most.
Colors include yellow, green, black, orange, blue, white, and red. Different length cables per pack.
But what makes these better than regular solid wires? Over time, solid-wire jumpers fatigue, and snap off at inopportune times, often leaving the snapped-off bit embedded in your breadboard. Solid-wire jumpers are fine for short-term work, but these flexible-wire versions are much more robust.
We also have a 40 pack available