Yellow is Always More
Yellow is often considered the brightest and most energizing of the warm colors. It’s associated with happiness and sunshine. Yellow can also be associated with deceit and cowardice, though (calling someone yellow is calling them a coward).
Yellow is also associated with hope, as can be seen in some countries when yellow ribbons are displayed by families who have loved ones at war. Yellow is also associated with danger, though not as strongly as red.
In some countries, yellow has very different connotations. In Egypt, for example, yellow is for mourning. In Japan, it represents courage and in India it’s a color for merchants.
In your designs, bright yellow can lend a sense of happiness and cheerfulness. Softer yellows are commonly used as a gender-neutral color for babies (rather than blue or pink) and young children. Light yellows also give a more calm feeling of happiness than bright yellows. Dark yellows and gold-hued yellows can sometimes look antique and be used in designs where a sense of permanence is desired.