(RC) Rock-Color Chart

National Research Council,
Rock-Color Chart

black	267
blackish red	20
bluish white	189
brilliant green	144
brownish black	62
brownish gray	64

dark greenish gray	150	156
dark greenish yellow	103
dark reddish brown	43
dark yellowish brown	80
dark yellowish green	137
dark yellowish orange	72
dusky blue	186	187
dusky blue-green	151
dusky brown	62
dusky green	146
dusky red	16
dusky yellow	91
dusky yellow green	122
dusky yellowish brown	81
dusky yellowish green	137	151

grayish black	267
grayish blue	186	203
grayish blue-green	150	164
grayish brown	61
grayish green	150	164
grayish olive	110
grayish olive green	127
grayish orange	76
grayish orange pink	32
grayish pink	7
grayish purple	228
grayish red	19	46
grayish red purple	228
grayish yellow	90
grayish yellow green	122
greenish black	128	151	152	156	157
greenish gray	149	155

light blue	172
light blue green	163
light bluish gray	190
light brown	54	57
light brownish gray	63
light gray	264
light green	144
light greenish gray	154
light olive	106
light olive brown	106
light olive-gray	63	112
light red	6

medium bluish gray	191
medium gray	265	266
medium light gray	265
moderate blue	173
moderate blue green	164
moderate brown	58
moderate green	145
moderate greenish yellow	105
moderate olive brown	107
moderate orange pink	28	29
moderate pink	5
moderate red	19
moderate reddish brown	38
moderate reddish orange	39
moderate yellow	87
moderate yellow green	120
moderate yellowish brown	77
moderate yellowish green	136

olive black	111	113
olive gray	113

pale blue	172	185
pale blue green	149
pale brown	45
pale green	149
pale greenish yellow	121
pale olive	109
pale pink	252
pale purple	227
pale red	18	45
pale reddish brown	42
pale red purple	227
pale yellowish brown	79
pale yellowish green	149
pale yellowish orange	73
pinkish gray	10

very dark red	16
very dusky purple	224	229	230
very dusky red	46	47
very dusky red purple	229	230	259	260
very light gray	264
very pale blue	184
very pale green	148
very pale orange	93

white	263

yellowish gray	93