The grayscale image is very similar to the black and white image without any other colors. In Grayscale image is made up of two colors (white and grey) in which the contrast of color (Gray and white) ranges from weakest to strongest; i.e from black to white.
The grayscale image is usually "8-bit image" with each pixel having "256 combinations" of gray colors. While color image is usually has 24 bits of red, 8 bits of green, 8 bits with blue information.
The combination of these basic colors (red, green and blue) can create 16,777,216 color combinations for one pixel.
Answer:
In Tennessee William´s: Streetcar Named Desire:
1. What mood do the opening stage direction and setting description create?
The French quarter in New Orleans, downtown in 1947 introduces the play with the realistic opening stage directed to a poor urban neighborhood setting a blue imbued mood in the audience, emphasized by jazz musical notes played in the "blue piano" that could lead to anxiety.
2. What effect is created with the music of the ""blue piano""?
The effect created by music played on the “blue piano" is people´s emotions related to the sadness coming from loneness and longing.
Explanation:
Set in the French area of New Orleans, where the opening stage of "Streetcar Named Desire" is played, the dramatic-realistic description is presented using tragedy theatrical techniques, depicted by the lone blue piano, to introduce depressed, solitude, and violent characters. It takes place on the first floor of a two-bedroom apartment, and relates cycles of violence.
The blue piano appears in the introductory stage directions of the first scene, expressing a theme of desire and spirit lonelines of people in New Orleans.