Revised Standard soil Color Charts Hue 7.5 R Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma reddish black dark reddish gray reddish gray light /1 1.7/1 2/1 3/1 4/1 5/1 6/1 reddish gray 7/1 very dark... dark... grayish red /2 2/2 3/2 4/2 5/2 6/2 ...reddish ...reddish dull reddish brown /3 brown brown 4/3 5/3 2/3 3/3 dark... dusky red /4 3/4 4/4 ...red red /6 3/6 4/6 /8 4/8 Hue 10 R Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma reddish black dark reddish gray reddish gray light /1 1.7/1 2/1 3/1 4/1 5/1 6/1 reddish gray 7/1 very dark... dark... grayish red /2 2/2 3/2 4/2 5/2 6/2 ...reddish ...reddish reddish brown dull reddish /3 brown brown 4/3 5/3 6/3 2/3 3/3 dark... ...orange /4 3/4 4/4 5/4 6/4 ...red red reddish... /6 3/6 4/6 5/6 6/6 ...orange /8 4/8 5/8 6/8 Hue 2.5 YR Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma reddish black dark reddish reddish gray light /1 1.7/1 2/1 gray 4/1 5/1 6/1 7/1 3/1 very dark... dark... grayish red reddish gray /2 2/2 3/2 4/2 5/2 6/2 7/2 ...reddish... ...reddish... dull reddish brown dull... pale reddish /3 2/3 3/3 4/3 5/3 6/3 7/3 ...brown ...brown ...orange orange /4 2/3 3/4 4/4 5/4 6/4 7/4 reddish... bright... orange /6 3/6 4/6 5/6 6/6 7/6 ...brown ...brown /8 4/8 5/8 6/8 7/8 Hue 5 YR Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black brownish black brownish gray light light... /1 1.7/1 2/1 3/1 4/1 5/1 6/1 brownish... 8/1 7/1 dark... grayish brown ...gray ...gray /2 2/2 3/2 4/2 5/2 6/2 7/2 8/2 very ...reddish... dull reddish brown dull orange pale... /3 dark 3/3 4/3 5/3 6/3 7/3 8/3 2/3 ...reddish ...brown ...orange /4 brown 3/4 4/4 5/4 6/4 7/4 8/4 2/4 reddish... bright orange /6 3/6 4/6 reddish... 6/6 7/6 5/6 ...brown ...brown /8 4/8 5/8 6/8 7/8 Hue 7.5 YR Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black brownish gray light light... /1 1.7/1 2/1 3/1 4/1 5/1 6/1 brownish... 8/1 7/1 brownish black grayish brown ...gray ...gray /2 2/2 3/2 4/2 5/2 6/2 7/2 8/2 very dark dark... brown dull brown light... /3 brown 3/3 4/3 5/3 6/3 7/3 8/3 2/3 ...brown dull orange ...yellow... /4 3/4 4/4 5/4 6/4 7/4 8/4 bright... orange ...orange /6 4/6 5/6 6/6 7/6 8/6 ...brown yellow orange /8 5/8 6/8 7/8 8/8 Hue 10 YR Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black brownish gray light gray /1 1.7/1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 brownish black grayish yellow brown /2 2/2 3/2 4/2 5/2 6/2 7/2 8/2 dark... dull yellowish brown dull yellow orange light /3 2/3 3/3 4/3 5/3 yellow.... 6/3 7/3 8/3 ...brown brown ...orange /4 3/4 4/4 5/4 6/4 7/4 8/4 yellowish... bright yellowish /6 4/6 5/6 6/6 7/6 8/6 ...brown brown yellow orange /8 5/8 6/8 7/8 8/8 Hue 2.5 Y Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black brownish... yellowish gray light gray /1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 ...black dark grayish yellow grayish yellow /2 3/2 4/2 5/2 6/2 7/2 8/2 dark olive olive yellowish... dull... light... pale.... /3 brown 4/3 5/3 6/3 7/3 8/3 3/3 brown ...gray ...yellow ...yellow ...yellow /4 4/4 5/4 7/3 7/4 8/4 bright yellowish /6 4/6 5/6 6/6 7/6 8/6 brown yellow /8 6/8 7/8 8/8 Hue 5 Y Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black gray light gray /1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 olive black grayish olive /2 2/2 3/2 4/2 5/2 6/2 7/1 8/2 dark olive... light... pale.... /3 4/3 5/3 6/3 7/3 8/3 olive olive ...yellow ...yellow ...yellow /4 4/4 5/4 6/4 7/4 8/4 yellow /6 5/6 6/6 7/6 8/6 /8 6/8 7/8 8/8 Hue 7.5 Y Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black gray light gray /1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 olive black grayish olive /2 2/2 3/2 4/2 5/2 6/2 7/1 8/2 dark olive olive yellow light yellow pale yellow /3 4/3 5/3 6/3 7/3 8/3 Hue 10 Y black olive... gray light gray /1 2/1 3/1 4/1 5/1 6/1 7/6 8/6 ...black olive gray /2 3/2 4/2 5/2 6/2 7/8 8/8 Hue N Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma black black dark gray gray grayish white /0 1.5/0 2/0 3/0 4/0 5/0 6/0 7/0 8/0 Hue 2.5 GY black dark olive gray olive gray light olive light gray /1 2/1 3/1 4/1 5/1 6/1 gray 8/1 7/1 Hue 5 GY olive black dark olive gray olive gray light olive light gray /1 2/1 3/1 4/1 5/1 6/1 gray 8/1 7/1 Hue 7.5 GY greenish dark greenish gray greenish gray light greenish gray /1 black 3/1 4/1 5/1 6/1 7/1 8/1 2/1 Hue 10 GY greenish dark greenish gray greenish gray light greenish gray /1 black 3/1 4/1 5/1 6/1 7/1 8/1 2/1 Hue 5 G Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma greenish black dark greenish gray greenish gray light green. /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 10 G greenish black dark greenish gray greenish gray light green. /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 BG bluish black dark bluish gray bluish gray light bluish /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 10 BG bluish black dark bluish gray bluish gray light bluish /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 B Value 1.7/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ Chroma bluish black dark bluish gray bluish gray light bluish /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 PB bluish black dark bluish gray bluish gray light bluish /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 P purplish black dark purplish gray purplish gray light purpl. /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 RP purplish black dark purplish gray purplish gray light purpl. /1 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 Hue 5 R reddish black dark reddish gray reddish gray light redd. 1.7/1 2/1 3/1 4/1 5/1 6/1 gray 7/1 .