CCE Color Theory & Psychology 3

Question 1

A designer wants to create a split-complementary color scheme starting from violet. Which two hues complete the scheme?

Accepted Answer

Yellow-green and yellow-orange

Answer

A split-complementary of violet uses the two hues flanking its complement (yellow): yellow-green and yellow-orange.

Question 2

Which psychological effect describes the phenomenon where red objects appear to advance toward the viewer spatially?

Accepted Answer

Chromostereopsis

Answer

Chromostereopsis is the perceptual illusion where certain wavelengths (especially red) appear closer than others (blue) due to chromatic aberration.

Question 3

In the CIELAB color space, the 'b*' axis represents which color dimension?

Accepted Answer

Blue-yellow

Answer

In CIELAB, b* runs from blue (negative values) to yellow (positive values), while a* covers red-green.

Question 4

A retailer uses bright yellow signage to draw attention to sale items. Which psychological principle is being applied?

Accepted Answer

High luminosity increases visual salience

Answer

Yellow has the highest luminosity among hues and naturally attracts the eye, making it effective for attention-grabbing signage.

Question 5

The Purkinje shift describes a change in color sensitivity that occurs when:

Accepted Answer

Moving from photopic (bright) to scotopic (dim) vision

Answer

The Purkinje shift is the eye's shift in peak sensitivity from ~555 nm (photopic) toward ~507 nm (scotopic) as light levels drop.

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