CSLChroma: TYPE = [-1..30];

CSLSaturation: TYPE = [0..4];

CSLLightness: TYPE = [0..6];

achromatic:   CSLChroma = -1;

red:     CSLChroma = 0;

orangishRed:   CSLChroma = 1;

redOrange:    CSLChroma = 2;

reddishOrange:   CSLChroma = 3;

orange:     CSLChroma = 4;

yellowishOrange:  CSLChroma = 5;

orangeYellow:   CSLChroma = 6;

orangishYellow:   CSLChroma = 7;

yellow:     CSLChroma = 8;

greenishYellow:   CSLChroma = 9;

yellowGreen:   CSLChroma = 10;

yellowishGreen:  CSLChroma = 11;

green:     CSLChroma = 12;

bluishGreen:   CSLChroma = 13;

greenBlue:    CSLChroma = 14;

greenishBlue:   CSLChroma = 15;

blue:      CSLChroma = 16;

purplishBlue:   CSLChroma = 17;

bluePurple:    CSLChroma = 18;

bluishPurple:   CSLChroma = 19;

purple:     CSLChroma = 20;

reddishPurple:   CSLChroma = 21;

purpleRed:    CSLChroma = 22;

purplishRed:   CSLChroma = 23;

brownishRed:  CSLChroma = 24;

redBrown:   CSLChroma = 25;

reddishBrown:  CSLChroma = 26;

brown:    CSLChroma = 27;

yellowishBrown:  CSLChroma = 28;

brownYellow:  CSLChroma = 29;

brownishYellow:  CSLChroma = 30;

noSaturation:  CSLSaturation = 0;

grayish:    CSLSaturation = 1;

moderate:   CSLSaturation = 2;

strong:    CSLSaturation = 3;

vivid:    CSLSaturation = 4;

black:   CSLLightness = 0;

veryDark:  CSLLightness = 1;

dark:    CSLLightness = 2;

medium:   CSLLightness = 3;

light:    CSLLightness = 4;

veryLight:  CSLLightness = 5;

white:   CSLLightness = 6;

CSLFromCNS: PUBLIC PROCEDURE [hue, saturation, lightness: Rope.ROPE] RETURNS [c: CSLChroma, s: CSLSaturation, l: CSLLightness];

CNSFromCSL: PUBLIC PROCEDURE [c: CSLChroma, s: CSLSaturation, l: CSLLightness] RETURNS [hue, saturation, lightness: Rope.ROPE];

HSLFromCSL: PUBLIC PROCEDURE [c: CSLChroma, s: CSLSaturation, l: CSLLightness] RETURNS [hue, saturation, lightness: REAL];

CSLFromHSL: PUBLIC PROCEDURE [hue, saturation, lightness: REAL] RETURNS [c: CSLChroma, s: CSLSaturation, l: CSLLightness];

END.