我在挑选窗帘布料时，店员给了我几块不同颜色的样布。

When choosing curtain fabric, the clerk gave me several ___swatches in different colors.

设计师从色板中选择了几种渐变色来完善界面设计。

The designer selected several gradient ___swatches to refine the interface design.

化妆品店提供了各种颜色的口红小样供顾客试用。

The cosmetic store provides ___swatches of different lipstick shades for customers to try.