Color is 3D – A way to think about color spaces RGB HSL CMYK

What primary colors of light are human eyes photosensitive to?

• Red, Yellow, Blue

• Red, Green, Blue

• Cyan, Magenta, Yellow

• Orange, Green, Purple

Which color is perceived when equal amounts of red and green light are detected, with no blue light present?

• Cyan

• Magenta

• Yellow

• White

In the RGB color cube, what does the diagonal line from (0,0,0) to (255,255,255) represent?

• A line of pure primary colors

• A grayscale line from black to white

• A line of complementary colors

• A line of maximum saturation

In the CMYK color space, what does the 'K' represent?

• Key color, typically black pigment

• Kyanite, a type of blue pigment

• Kelvin, a measure of color temperature

• Khaki, a neutral color

In the HSL color space, what does saturation indicate?

• The brightness or darkness of a color.

• The purity or vividness of a color, relative to its distance from the grayscale diagonal.

• The specific shade of a color (e.g., red, green, blue).

• The amount of black pigment in a color.