---
name: "XcmsColor"
section: "3x"
platform: "linux"
package: "libx11-dev"
version: "4.3.0.dfsg.1-14sarge7"
release: "Debian 3.1 (Sarge)"
platforms: ["linux"]
url: "https://new.carta.tech/XcmsColor/3x"
---

# XcmsColor(3x)

Xcms color struture

## NAME

XcmsColor, XcmsRGB, XcmsRGBi, XcmsCIEXYZ, XcmsCIEuvY, XcmsCIExyY, XcmsCIELab, XcmsCIELuv, XcmsTekHVC, XcmsPad - Xcms color struture

## STRUCTURES

The structure for *XcmsColor* contains:

```
typedef unsigned long XcmsColorFormat;
typedef struct {
	union {
		XcmsRGB RGB;
		XcmsRGBi RGBi;
		XcmsCIEXYZ CIEXYZ;
		XcmsCIEuvY CIEuvY;
		XcmsCIExyY CIExyY;
		XcmsCIELab CIELab;
		XcmsCIELuv CIELuv;
		XcmsTekHVC TekHVC;
		XcmsPad Pad;
	} spec;
	unsigned long pixel;
	XcmsColorFormat format;
} XcmsColor;

```

```
typedef double XcmsFloat;
typedef struct {
	unsigned short red;
	unsigned short green;
	unsigned short blue;
} XcmsRGB;

```

```
typedef struct {
	XcmsFloat red;
	XcmsFloat green;
	XcmsFloat blue;
} XcmsRGBi;

```

```
typedef struct {
	XcmsFloat X;
	XcmsFloat Y;
	XcmsFloat Z;
} XcmsCIEXYZ;

```

```
typedef struct {
	XcmsFloat u_prime;
	XcmsFloat v_prime;
	XcmsFloat Y;
} XcmsCIEuvY;

```

```
typedef struct {
	XcmsFloat x;
	XcmsFloat y;
	XcmsFloat Y;
} XcmsCIExyY;

```

```
typedef struct {
	XcmsFloat L_star;
	XcmsFloat a_star;
	XcmsFloat b_star;
} XcmsCIELab;

```

```
typedef struct {
	XcmsFloat L_star;
	XcmsFloat u_star;
	XcmsFloat v_star;
} XcmsCIELuv;

```

```
typedef struct {
	XcmsFloat H;
	XcmsFloat V;
	XcmsFloat C;
} XcmsTekHVC;

```

```
typedef struct {
	XcmsFloat pad0;
	XcmsFloat pad1;
	XcmsFloat pad2;
	XcmsFloat pad3;
} XcmsPad;

```

## DESCRIPTION

The *XcmsColor* structure contains a union of substructures, each supporting color specification encoding for a particular color space.

## SEE ALSO

XcmsAllocColor(3X11), XcmsStoreColor(3X11), XcmsConvertColors(3X11),\
 *Xlib - C Language X Interface*