色彩作为油画艺术的核心视觉语言，是画家传递情感、构建意境、表达思想的重要载体。自油画诞生以来，色彩的 运用随着艺术思潮的更迭、绘画技术的进步不断演变，形成了各具特色的色彩风格与表现体系。本文以色彩在油画中的运用 为研究核心，从色彩的情感表达功能、空间塑造价值、主题升华作用三个维度展开分析，结合文艺复兴、印象派、表现主义 等不同时期代表性画家的经典作品，深入探讨色彩运用的规律与创新路径。同时，通过对具体作品中色彩搭配、色调控制、 色彩对比等技法的解读，揭示色彩在增强油画艺术感染力、提升作品艺术价值中的关键作用，为当代油画创作中色彩的运用 提供理论参考与实践借鉴。

As the core visual language of oil painting art, color serves as a crucial carrier for painters to convey emotions, construct artistic conception and express thoughts. Since the birth of oil painting, the application of color has been constantly evolving with the changes of artistic trends and the advancement of painting techniques, forming distinctive color styles and expression systems. Taking the application of color in oil painting as the core research object, this paper analyzes it from three dimensions: the emotional expression function, the spatial shaping value and the theme sublimation effect of color. Combined with the classic works of representative painters in different periods such as the Renaissance, Impressionism and Expressionism, this paper deeply explores the rules and innovative paths of color application. Meanwhile, through the interpretation of techniques such as color matching, tone control and color contrast in specific works, it reveals the key role of color in enhancing the artistic appeal of oil paintings and improving the artistic value of works, so as to provide theoretical reference and practical reference for the application of color in contemporary oil painting creation.