Soulmate AU where you can only see in black and white until you touch your soulmate.
It was like any other run as the Flash–run, catch the bad guys, save the day–that is until Barry caught up to Leonard Snart. As soon as he grabbed the man, he felt it, even through the glove of the suit. A jolt of energy starting at his finger tips, trailing up his arm, and going straight to his brain, his heart, everywhere. Then, the world exploded in color. There were more shades than Barry could have imagined, and he couldn’t even guess their names. It was enough to make his stumble, lose his footing, forget where he was for a moment. His soulmate. He’d met his soulmate. His soulmate was…
His soulmate was…leaving.
He’d been distracted too long. Long enough for the criminals to get on their bikes and ride off. Long enough for them to get away.