Table 1 Materials and thicknesses of the constituent layers of the proposed reflective RGB structural color filters.

From: Resonant-mode engineering for additive reflective structural colors with high brightness and high color purity

Material

Thickness (nm)

Blue

Green

Red

WO3

76

134

41

Cr

18

13

21

WO3

68

222

130

Ag

100

100

100