Munsell Color Systems

Chromatic Color: Hue value/chroma (value:0~10, chroma:0.5~14), e.g., 5R4/14
Achromatic Color: N value (value:0~10), e.g., N4.5

PCCS

Chromatic Color: hue-lightness-saturation (value:0~10, chroma:1s~9s), e.g., 4:rO-4.0-8s
Achromatic Color: n-value (value:0~10), e.g., n-4.5

Hue symbols are listed as follows:

Symbol	Meaning	|	Symbol	Meaning	|	Symbol	Meaning	|	Symbol	Meaning
1:pR	purplish Red	|	7:rY	reddish Yellow	|	13:bG	blueish Green	|	19:pB	purplish Blue
2:R	Red	|	8:Y	Yellow	|	14:BG	Blue Green	|	20:V	Violet
3:yR	yellowish Red	|	9:gY	greenish Yellow	|	15:BG	Blue Green	|	21:bP	blueish Purple
4:rO	reddish Orange	|	10:GY	Green Yellow	|	16:gB	greenish Blue	|	22:P	Purple
5:O	Orange	|	11:yG	yellowish Green	|	17:B	Blue	|	23:rP	reddish Purple
6:yO	yellowish Orange	|	12:G	Green	|	18:B	Blue	|	24:RP	Red Purple

PCCS Tone Notation

Chromatic Color: tone huenumber (huehumber:1~24), e.g., dp8
Achromatic Color: Wt, Bk, ltGy, mGy, dkGy, or Gy lightness (value:0~10), e.g., Gy4.0

Tone symbols are listed as follows:

Symbol	Meaning	Symbol	Meaning	Symbol	Meaning	Symbol	Meaning
p	pale	lt	light
				b	bright
ltg	light grayish	sf	soft
				s	strong	v	vivid
g	grayish	d	dull
				dp	deep
dkg	dark grayish	dk	dark

CCIC

Chromatic Color: tone-Hue (huehumber:1~24), e.g., vv-R3
Achromatic Color: either of Wt(95), Wt(90), pG(80), lG(70), mG(60), mG(50), dG(40), dG(30), Bk(20), Bk(10)

Hue symbols are listed as follows:

Symbol	Category	Munsell Hue	|	Symbol	Category	Munsell Hue	|	Symbol	Category	Munsell Hue	|	Symbol	Category	Munsell Hue
R1	Red	5RP	|	Y1	Yellow	2.5Y	|	G5	Green	7.5GB	|	P1	Purple	7.5PB
R2	Red	10RP	|	Y2	Yellow	5Y	|	B1	Blue	2.5	|	P2	Purple	10PB
R3	Red	5R	|	Y3	Yellow	10Y	|	B2	Blue	7.5B	|	P3	Purple	2.5P
R4	Red	7.5R	|	G1	Green	5GY	|	B3	Blue	10B	|	P4	Purple	5P
O1	Orange	1.25YR	|	G2	Green	8.75GY	|	B4	Blue	5PB	|	P5	Purple	1.25RP
O2	Orange	5YR	|	G3	Green	2.5G
O3	Orange	8.75YR	|	G4	Green	10G

Tone symbols are listed as follows:

Symbol	Meaning	Symbol	Meaning	Symbol	Meaning	Symbol	Meaning	Symbol	Meaning	Symbol	Meaning
oW	off White
		vp	very pale
oP	off Pale gray			pl	pale
		lg	light grayish			lt	light
oL	off Light gray			sf	soft			vh	vivid high
		mg	medium grayish			st	strong			vv	vivid
oM	off Medium gray			dl	dull			vl	vivid low
		dg	dark grayish			dp	deep
oD	off Dark gray			dk	dark
		vd	very dark
oB	off Black

Ostwald and Color Harmony Manual (CHM)

Chromatic Color: huenumber white black (huehumber:1~24), e.g., 3pa
Achromatic Color: either of a, c, e, g, i, l, n, p

Hue

Hues are numbered as follows:

Category	Numbers	|	Category	Numbers
Yellow	1, 2, 3	|	Ultramarine blue	13, 14, 15
Orange	4, 5, 6	|	Turquoise	16, 17, 18
Red	7, 8, 9	|	Sea green	19, 20, 21
Purple	10, 11, 12	|	Leaf green	22, 23, 24

White ratio and Black ratio

White ratio and Black ratio represented by symbols are as follows:

Symbol	White ratio(%)	Black ratio(%)
a	89.13	11.87
c	56.23	43.77
e	35.48	64.52
g	22.39	77.61
i	14.13	85.87
l	8.91	91.09
n	5.62	94.38
p	3.55	96.45

Identical Hue Plane

Symbols on white ratio and black ratio are represented as following triangle:

ca
	ea
ec		ga
	gc		ia
ge		ic		la
	ie		lc		na
ig		le		nc		pa
	lg		ne		pc
li		ng		pe
	ni		pg
nl		pi
	pl
pn

Natural Color System (NCS)

Chromatic Colour: S BBCC-Hue Symbol (BB: Blackness, CC: Chromaticness), e.g., S 1060-Y20R
Achromatic Colour: S BB00-N, e.g., S 6000-N

Hue Symbol

-Y, -YnnR, -R, -RnnB, -B, -BnnG, -G, -GnnY (nn:10~90), e.g., -Y20R

DIN Color System

Chromatic Color: T:S:D, (T:Farbton: 1~24, S:Sättigungsstufe: 1~6, D:Dunkelstufe: 1~7), e.g., 7:4:3
Achromatic Color: N:0:D, e.g., N:0:4

Conversion between Munsell Color name and notation

Conversion from PCCS to Munsell

dreamcomestrue - Conversion Table

írouse tone database

Hue conversion

Hue Number	Munsell Hue	Maximum Chroma	|	Hue Number	Munsell Hue	Maximum Chroma	|	Hue Number	Munsell Hue	Maximum Chroma	|	Hue Number	Munsell Hue	Maximum Chroma
1:pR	10RP	12	|	7:rY	2Y	13	|	13:bG	9G	10.5	|	19:pB	6PB	11.5
2:R	4R	14	|	8:Y	5Y	13	|	14:BG	5BG	10	|	20:V	9PB	11.5
3:yR	7R	14	|	9:gY	8Y	12	|	15:BG	10BG	10	|	21:bP	3P	11.5
4:rO	10R	14	|	10:GY	3GY	12	|	16:gB	5B	10	|	22:P	7P	11.5
5:O	4YR	13.5	|	11:yG	8GY	11.5	|	17:B	10B	10.5	|	23:rP	1RP	11.5
6:yO	8YR	13	|	12:G	3G	11	|	18:B	3PB	11.5	|	24:RP	6RP	12.5

Lightness conversion

PCCS Lightness = Munsell Value

Saturation conversion

PCCS Saturation x Maximum Chroma at the Hue in Munsell / 9 = Munsell Chroma

Conversion between Ostwald and Munsell

Conversion between NCS and Munsell