Who can introduce some examples of the application of color perception in gardens?

1 Color Beauty of Garden Plants The color of garden plants constitutes a scene, showing the characteristics of color beauty. It is precisely because of the richness and diversity of plant colors that garden landscapes with different spatial combinations of garden artistic conception can be created. The colors of plants mainly include the colors of leaves, flowers, fruits and stems, among which the color of leaves is the main part of expressing the beauty of plant colors. 1. 1 beautiful leaf color 1. 1 spring leafy plants Many plants will show delicate colors such as yellow-green or tender red and tender purple when they open their leaves in spring. Show beautiful spring scenery, bright and moving. Such as weeping willow, phoenix tree, hemlock and so on. When the new leaves of evergreen plants appear, or when the new leaves of red or yellow cover the crown, they are as effective as flowering, such as camphor tree, heather and osmanthus. 1. 1.2 autumn leaves plants have always been the most important materials for displaying time series in gardens. Many autumn leaves are red, such as Liquidambar formosana, Pentagonal Maple, Castanea henryi, Acer ginnala, Cotinus coggygria, Sapium sebiferum, lacquer tree, persimmon tree, lacquer tree and so on. Some plants with yellow autumn leaves, such as Ginkgo biloba, Sapindus mukoraiensis, Liriodendron chinense, etc., Metasequoia glyptostroboides, Metasequoia glyptostroboides, Taxodium ascendens and other autumn leaves are reddish brown. 1. 1.3 Constant color leafy plants Some garden plants have different colors all year round, which is one of the main directions of horticultural plant breeding in recent years. Constant color leaf plants can be used to model and create a stable garden landscape. Common red leaves are red maple, red mulberry, lobular red and red orange wood, purple leaves are purple plum, purple Berberis, purple peach, purple dwarf cherry and purple cotinus coggygria, and yellow leaves are golden privet and golden Berberis. 1. 1.4 Spotted plants are plants with spots or stripes on their leaves, or plants with different color edges. Such as Buxus macrophylla, Buxus macrophylla, Daphne odora, Ligustrum lucidum, Elaeagnus Elaeagnus, Chlorophytum and so on. There are also two-color leafy plants, such as Cinnamomum cassia, Populus alba, Quercus variabilis, etc. The colors of the back and leaves are obviously different, and the colors change under the breeze, which is very artistic. 1.2 Colorful plants, especially herbaceous flowers, are gorgeous and moving. Woody plants with flowers before leaves are as pleasing to the eye and have a strong atmosphere, which is an excellent material to create visual focus. The colors of garden plants are just like the color palette in the painting. They are colorful, including red roses, pomegranates, camellia, azaleas, bunches of safflower, canna, magnolia, clove, four flowers, plum blossom, Huang Yingchun, Admiralty, Sophora japonica, sweet-scented osmanthus, wintersweet, calendula, bauhinia, wisteria, paulownia, Wei Zi, hibiscus and so on. 1.3 Beautiful fruit color "A little gold makes an autumn orange". Su Shi described the fruit of autumn orange as beautiful as gold, indicating that the fruit of this plant is very ornamental in color, full of fruits and colorful is a portrayal of autumn landscape. The fruits are mostly red, such as southern Tianzhu, pomegranate, hawthorn, begonia, pyracantha and coral trees, as well as yellow ginkgo, bergamot, mango, plum apricot, orange, pomelo persimmon, white acid branch, Callicarpa, grape, blue top ten contributions and Haizhou Changshan. 1.4 The color of dry trunk is also very ornamental, especially in winter in the north, and the fallen trunk has a unique charm against the background of white snow. Usually, the trunk color is brown, and a few plant trunks show bright colors, which is easy to create eye-catching and beautiful scenery. Such as Betula platyphylla, Pinus bungeana, Eucalyptus citriodora, Populus tomentosa, Phyllostachys pubescens, Phyllostachys pubescens, Platanus acerifolia, Tang Di, Golden Bamboo, Sophora japonica, Red Ruimu, Phytolacca acinosa, Zizhu and so on. 2 Color design of plant landscape 2. 1 Basic knowledge of plant color Red, yellow and blue are three primary colors, which are often used in gardens to create landscapes and reflect tropical scenery. Three primary colors are mixed in pairs to form secondary colors, which are also called three complementary colors, namely orange, green and purple. Complementary colors have a strong contrast effect and are used to highlight and emphasize in gardens, such as green leaves and safflower. Primary colors are mixed with secondary colors to form tertiary colors, such as orange-red, orange-yellow, yellow-green, blue-green and blue-purple. , and can achieve a harmonious effect between the three-level color and the primary color and the second-level color. The three elements of color, namely hue, lightness and chroma. Hue refers to the colors that plants reflect sunlight, such as red, green and orange. Brightness refers to the lightness and darkness of plant colors, with white being the brightest and black the darkest. Brightness grades are white, yellow, orange, green, red, blue, purple and black. Chromaticity refers to the depth or depth of plant color, also known as purity or saturation. Bright colors have high saturation, such as red, followed by purple% a.