Suppose a ray of sunshine should suddenly light up the objects in this open-air scene under grey light, you will then have what are called lights and shadows but they will be pure accidents. One thing I have learned, the absolute necessity for system in painting. Prepare your palette . But nature for us men is more depth than surface, whence the need to introduce into our light vibrations, represented by the reds and yellows, a sufficient amount of blueness to give the feel of air. I hope so.
Technique is just a means of arriving at a statement.
Inspired by certain pages of Delacroix, an artist like Signac is preoccupied with complementary colors, and the theoretical knowledge of them will lead him to use a certain tone in a certain place. But I simply try to put down colors which render my sensation. Color also decided, to a certain extent, my spiritual outlook, but it is subordinated to light and, above all, to the treatment of form. Too much emphasis on color at the expense of form and space would make a double manifestation of itself on the canvas, and this would verge on craft work. Pure colors and broken tones must be used together, because they are the complements of each other.