本文旨在由色彩的角度，揭示羅培茲（Antonio López García, 1936-）的繪畫語言的追尋演化。畫家最廣為人知的是耗費極為漫長的時間來創作，以及用震撼的寫實效果描繪馬德里城市風景。然而，畫家早期的創作卻不是如此。為何畫家年輕時與晚近會有如此風格巨變？在繪畫語言上，畫家追尋什麼？如何演化到後來的表達？色彩在本文是一個梭子，它指出了畫面裡的造型關係，也顯現了畫家的追尋歷程。色彩更直接與羅培茲的生平互文。研究發現，畫家的繪畫語言演化，建構在追尋色彩佈局上。畫家不僅是再現些什麼，而是追尋色彩的獨立性與它的純粹威力。

The purpose of this essay is to pinpoint the evolution of the pictorial language of Antonio López García from the perspective of color expression. The painter is best known for his long duration of work and his stunningly realistic painting of Madrid cityscapes. However, this is not the case with his early paintings. Why is the transformation between the early and later styles so evident? What does the painter seek in the pictorial language? Also, how does the evolution to the latter phase take place? The concept of "color" is a threshold in this study, which illuminates the compositional relation and the process of López's paintings. The evolution of color expression has an intertextual connection with López's life experiences. This study discovers that the transformation of López's pictorial language springs from the experiment of color composition. Instead of mere representation, he seeks the autonomy of color and its force.