Phong Model Material Properties for
Some Common Materials

Acknowledgment

The table below was adapted from Table 3.1 in:

The intent is that these attribute values will model the indicated material as closely as the empirical Phong local lighting model allows.

The Table of Properties

Material ambient
(ka)
diffuse
(kd)
specular
(ks)
specular
exponent (m)
translucency
(α)
Brass 0.329412
0.223529
0.027451
0.780392
0.568627
0.113725
0.992157
0.941176
0.807843
27.8974 1.0
Bronze 0.2125
0.1275
0.054
0.714
0.4284
0.18144
0.393548
0.271906
0.166721
25.6 1.0
Polished Bronze 0.25
0.148
0.06475
0.4
0.2368
0.1036
0.774597
0.458561
0.200621
76.8 1.0
Chrome 0.25
0.25
0.25
0.4
0.4
0.4
0.774597
0.774597
0.774597
76.8 1.0
Copper 0.19125
0.0735
0.0225
0.7038
0.27048
0.0828
0.256777
0.137622
0.086014
12.8 1.0
Polished Copper 0.2295
0.08825
0.0275
0.5508
0.2118
0.066
0.580594
0.223257
0.0695701
51.2 1.0
Gold 0.24725
0.1995
0.0745
0.75164
0.60648
0.22648
0.628281
0.555802
0.366065
51.2 1.0
Polished Gold 0.24725
0.2245
0.0645
0.34615
0.3143
0.0903
0.797357
0.723991
0.208006
83.2 1.0
Pewter 0.105882
0.058824
0.113725
0.427451
0.470588
0.541176
0.333333
0.333333
0.521569
9.84615 1.0
Silver 0.19225
0.19225
0.19225
0.50754
0.50754
0.50754
0.508273
0.508273
0.508273
51.2 1.0
Polished Silver 0.23125
0.23125
0.23125
0.2775
0.2775
0.2775
0.773911
0.773911
0.773911
89.6 1.0
Emerald 0.0215
0.1745
0.0215
0.07568
0.61424
0.07568
0.633
0.727811
0.633
76.8 0.55
Jade 0.135
0.2225
0.1575
0.54
0.89
0.63
0.316228
0.316228
0.316228
12.8 0.95
Obsidian 0.05375
0.05
0.06625
0.18275
0.17
0.22525
0.332741
0.328634
0.346435
38.4 0.82
Pearl 0.25
0.20725
0.20725
1.0
0.829
0.829
0.296648
0.296648
0.296648
11.264 0.922
Ruby 0.1745
0.01175
0.01175
0.61424
0.04136
0.04136
0.727811
0.626959
0.626959
76.8 0.55
Turquoise 0.1
0.18725
0.1745
0.396
0.74151
0.69102
0.297254
0.30829
0.306678
12.8 0.8
Black Plastic 0.0
0.0
0.0
0.01
0.01
0.01
0.50
0.50
0.50
32 1.0
Black Rubber 0.02
0.02
0.02
0.01
0.01
0.01
0.4
0.4
0.4
10 1.0