diff --git a/src/common/color.h b/src/common/color.h
index 191e2962..c9962bbd 100644
--- a/src/common/color.h
+++ b/src/common/color.h
@@ -1,4 +1,4 @@
-/* RCSid $Id: color.h,v 2.34 2015/03/26 15:40:32 greg Exp $ */
+/* RCSid $Id: color.h,v 2.35 2021/11/14 17:30:02 greg Exp $ */
 /*
  *  color.h - header for routines using pixel color values.
  *
@@ -55,14 +55,23 @@ typedef float  COLORMAT[3][3];	/* color coordinate conversion matrix */
 
 #define  multcolor(c1,c2)	((c1)[0]*=(c2)[0],(c1)[1]*=(c2)[1],(c1)[2]*=(c2)[2])
 
-#ifdef  NTSC
+#if defined(NTSC_RGB)
 #define  CIE_x_r		0.670		/* standard NTSC primaries */
 #define  CIE_y_r		0.330
 #define  CIE_x_g		0.210
 #define  CIE_y_g		0.710
 #define  CIE_x_b		0.140
 #define  CIE_y_b		0.080
-#define  CIE_x_w		(1./3.)		/* use true white */
+#define  CIE_x_w		(1./3.)		/* use EE white */
+#define  CIE_y_w		(1./3.)
+#elif defined(SHARP_RGB)
+#define  CIE_x_r		0.6898		/* "sharp" RGB primaries */
+#define  CIE_y_r		0.3206
+#define  CIE_x_g		0.0736
+#define  CIE_y_g		0.9003
+#define  CIE_x_b		0.1166
+#define  CIE_y_b		0.0374
+#define  CIE_x_w		(1./3.)		/* use EE white */
 #define  CIE_y_w		(1./3.)
 #else
 #define  CIE_x_r		0.640		/* nominal CRT primaries */
@@ -71,7 +80,7 @@ typedef float  COLORMAT[3][3];	/* color coordinate conversion matrix */
 #define  CIE_y_g		0.600
 #define  CIE_x_b		0.150
 #define  CIE_y_b		0.060
-#define  CIE_x_w		(1./3.)		/* use true white */
+#define  CIE_x_w		(1./3.)		/* use EE white */
 #define  CIE_y_w		(1./3.)
 #endif
 
@@ -98,7 +107,7 @@ typedef float  COLORMAT[3][3];	/* color coordinate conversion matrix */
 #define CIE_gf		(CIE_y_g*CIE_C_gD/CIE_D)
 #define CIE_bf		(CIE_y_b*CIE_C_bD/CIE_D)
 
-/* As of 9-94, CIE_rf=.265074126, CIE_gf=.670114631 and CIE_bf=.064811243 */
+/* Default CIE_rf=.265074126, CIE_gf=.670114631 and CIE_bf=.064811243 */
 
 /***** The following definitions are valid for RGB colors only... *****/
 
diff --git a/src/rt/rpict.c b/src/rt/rpict.c
index 9d5b5da0..fe5c927a 100644
--- a/src/rt/rpict.c
+++ b/src/rt/rpict.c
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: rpict.c,v 2.94 2020/07/20 15:52:30 greg Exp $";
+static const char RCSid[] = "$Id: rpict.c,v 2.95 2021/11/14 17:30:02 greg Exp $";
 #endif
 /*
  *  rpict.c - routines and variables for picture generation.
@@ -340,6 +340,7 @@ rpict(			/* generate image(s) */
 		if ((pa < .99) | (pa > 1.01))
 			fputaspect(pa, stdout);
 		fputnow(stdout);
+		fputprims(stdprims, stdout);
 		fputformat(COLRFMT, stdout);
 		putchar('\n');
 		if (zout != NULL)
diff --git a/src/rt/rv2.c b/src/rt/rv2.c
index b265fe42..9807e62c 100644
--- a/src/rt/rv2.c
+++ b/src/rt/rv2.c
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rv2.c,v 2.72 2021/02/12 00:41:19 greg Exp $";
+static const char	RCSid[] = "$Id: rv2.c,v 2.73 2021/11/14 17:30:02 greg Exp $";
 #endif
 /*
  *  rv2.c - command routines used in tracing a view.
@@ -870,6 +870,7 @@ writepict(				/* write the picture to a file */
 		fputexpos(exposure, fp);
 	if (dev->pixaspect != 1.0)
 		fputaspect(dev->pixaspect, fp);
+	fputprims(stdprims, fp);
 	fputformat(COLRFMT, fp);
 	putc('\n', fp);
 	fprtresolu(hresolu, vresolu, fp);