Color Crack

Match the bottom color with the top color as closely and as quickly as you can!

// CONTROLS:
> Hold LMB to control the bottom color
> x-axis controls hue
> x-axis controls saturation while holding Shift or RMB
> y-axis controls value
> Mouse wheel controls rate of change
> Release LMB to submit color
> Use numbers 1-4 to select a sound pack