The dynamometer has a braking torque regulator-the Power Absorption Unit (PAU) is configured to provide a set braking force torque load, while the prime mover is configured to operate at whatever throttle opening, fuel delivery rate, or any other variable it is desired to test.
As such, metallic gold is a good choice for brightening neutral, nature-inspired color schemes. The trick is to pair metallic gold with warm, deep-tone neutrals, such as charcoal or slate gray, chocolate and coffee browns, dark sage and olive greens, and deep tan and beige.
Although almost any shade of rose gold hair that you choose is likely to suit you, some variations on the color might work better than others. Peaches & Warm Golds: Most rose gold hair colors lean closers towards the warmer side of things, with the pinks closer to peach, and the golds very yellow.