Color is used to create illusion of depth, as red colors seem to come forward while blue seems to recede into the distance.

颜色会造成距离上的错觉，比如红色似乎有涌出的感觉，而蓝色有沉退的感觉。

youdao

They painted the remaining white cabinets a darker color, which also gave the illusion of more space.

他们还给剩余的白色橱柜刷上了更深的颜色，这也起到了让人觉得空间变大的作用。

youdao

Decoration painting makes use of various elements such as structure, color, shape and materials to form an imagined and invisible aesthetic illusion.

装饰绘画运用构图、色彩、造型、材料等构成元素，在二维的空间中营造作者心理想的、肉眼看不到的审美幻想。

youdao

They painted the remaining white cabinets a darker color, which also gave the illusion of more space.

WSJ: A Family-Friendly Retreat in Venice

Smart phones will have color screens that, when held close to the eye, create the illusion of an 18- to 24-inch computer screen suitable for Web surfing and viewing high-resolution pictures.

CNN: Watch for microdisplays this year

The biological basis for this complementary color effect is not well understood, nor is the depth of shadow, which is also an illusion.

CNN: What the brain draws from: Art and neuroscience