diff --git a/rtdata/languages/default b/rtdata/languages/default
index fba5f56f3..4e6c52882 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -1599,6 +1599,13 @@ TP_GAMMA_PROF_NONE;none
 TP_GAMMA_PROF_V2;ICC V2
 TP_GAMMA_PROF_V4;ICC V4
 TP_GAMMA_SLOP;Slope (linear)
+TP_GAMMA_PRIM_ACESP0;AcesP0
+TP_GAMMA_PRIM_ACESP1;AcesP1
+TP_GAMMA_PRIM_ADOBE;Adobe
+TP_GAMMA_PRIM_PROPH;Prophoto
+TP_GAMMA_PRIM_REC2020;Rec2020
+TP_GAMMA_PRIM_SRGB;sRGB
+TP_GAMMA_PRIM_WIDEG;Widegamut
 TP_GENERAL_11SCALE_TOOLTIP;The effects of this tool are only visible or only accurate at a preview scale of 1:1.
 TP_GRADIENT_CENTER;Center
 TP_GRADIENT_CENTER_X;Center X
diff --git a/rtengine/iccmatrices.h b/rtengine/iccmatrices.h
index a798164c3..c109c9f76 100644
--- a/rtengine/iccmatrices.h
+++ b/rtengine/iccmatrices.h
@@ -79,18 +79,31 @@ constexpr double xyz_sRGB[3][3] = {
     {0.0139322,  0.0971045,  0.7141733}
 };
 
-constexpr double xyz_ACESc[3][3] = {
+constexpr double xyz_ACESp0[3][3] = {
     {0.9525523959, 0.0, 0.0000936786},
     {0.3439664498, 0.7281660966  , -0.0721325464},
     {0.0, -0.0, 1.0088251844}
 };
 
-constexpr double ACESc_xyz[3][3] = {
+constexpr double ACESp0_xyz[3][3] = {
     {1.0498110175, 0.0, -0.0000974845},
     {-0.4959030231, 1.3733130458  , 0.0982400361},
     {0.0,  0.0, 0.9912520182}
 };
 
+constexpr double xyz_ACESp1[3][3] = {
+    {0.68970, 0.14995, 0.12456},
+    {0.28445, 0.67175  , 0.04379},
+    {-0.00604, 0.00999, 0.82094}
+};
+
+constexpr double ACESp1_xyz[3][3] = {
+    {1.593266, -0.352338, -0.222949},
+    {-0.675963, 1.639314  , 0.0151197},
+    {0.0199481,  -0.022541, 1.216291}
+};
+
+
 constexpr double sRGB_xyz[3][3] = {
     {3.1338561, -1.6168667, -0.4906146},
     { -0.9787684,  1.9161415,  0.0334540},
diff --git a/rtengine/iccstore.cc b/rtengine/iccstore.cc
index aad613d7d..a6b914dc3 100644
--- a/rtengine/iccstore.cc
+++ b/rtengine/iccstore.cc
@@ -196,9 +196,9 @@ cmsHPROFILE createXYZProfile()
     return rtengine::ICCStore::createFromMatrix(mat, false, "XYZ");
 }
 
-const double(*wprofiles[])[3]  = {xyz_sRGB, xyz_adobe, xyz_prophoto, xyz_widegamut, xyz_bruce, xyz_beta, xyz_best, xyz_rec2020, xyz_ACESc};//
-const double(*iwprofiles[])[3] = {sRGB_xyz, adobe_xyz, prophoto_xyz, widegamut_xyz, bruce_xyz, beta_xyz, best_xyz, rec2020_xyz, ACESc_xyz};//
-const char* wpnames[] = {"sRGB", "Adobe RGB", "ProPhoto", "WideGamut", "BruceRGB", "Beta RGB", "BestRGB", "Rec2020", "ACESc"};//
+const double(*wprofiles[])[3]  = {xyz_sRGB, xyz_adobe, xyz_prophoto, xyz_widegamut, xyz_bruce, xyz_beta, xyz_best, xyz_rec2020, xyz_ACESp0, xyz_ACESp1};//
+const double(*iwprofiles[])[3] = {sRGB_xyz, adobe_xyz, prophoto_xyz, widegamut_xyz, bruce_xyz, beta_xyz, best_xyz, rec2020_xyz, ACESp0_xyz, ACESp1_xyz};//
+const char* wpnames[] = {"sRGB", "Adobe RGB", "ProPhoto", "WideGamut", "BruceRGB", "Beta RGB", "BestRGB", "Rec2020", "ACESp0", "ACESp1"};//
 const char* wpgamma[] = {"Free", "BT709_g2.2_s4.5", "sRGB_g2.4_s12.92", "linear_g1.0", "standard_g2.2", "standard_g1.8", "High_g1.3_s3.35", "Low_g2.6_s6.9", "Lab_g3.0s9.03296"}; //gamma free
 //default = gamma inside profile
 //BT709 g=2.22 s=4.5  sRGB g=2.4 s=12.92
@@ -1324,14 +1324,14 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
 
     //primaries for 7 working profiles ==> output profiles
     // eventually to adapt primaries  if RT used special profiles !
-    if (icm.wprimari == "WideGamut") {
+    if (icm.wprimari == "wideg") {
         p[0] = 0.7350;    //Widegamut primaries
         p[1] = 0.2650;
         p[2] = 0.1150;
         p[3] = 0.8260;
         p[4] = 0.1570;
         p[5] = 0.0180;
-    } else if (icm.wprimari == "Adobe RGB") {
+    } else if (icm.wprimari == "adob") {
         p[0] = 0.6400;    //Adobe primaries
         p[1] = 0.3300;
         p[2] = 0.2100;
@@ -1339,7 +1339,7 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
         p[4] = 0.1500;
         p[5] = 0.0600;
         temp = ColorTemp::D65;
-    } else if (icm.wprimari == "sRGB") {
+    } else if (icm.wprimari == "srgb") {
         p[0] = 0.6400;    // sRGB primaries
         p[1] = 0.3300;
         p[2] = 0.3000;
@@ -1369,7 +1369,7 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
         p[3] = 0.7750;
         p[4] = 0.1300;
         p[5] = 0.0350;
-    } else if (icm.wprimari == "Rec2020") {
+    } else if (icm.wprimari == "rec2020") {
         p[0] = 0.7080;    // Rec2020 primaries
         p[1] = 0.2920;
         p[2] = 0.1700;
@@ -1377,14 +1377,29 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
         p[4] = 0.1310;
         p[5] = 0.0460;
         temp = ColorTemp::D65;
-    } else if (icm.wprimari == "ACESc") {
-        p[0] = 0.7347;    // ACESc primaries
+    } else if (icm.wprimari == "acesp0") {
+        p[0] = 0.7347;    // ACES P0 primaries
         p[1] = 0.2653;
         p[2] = 0.0000;
         p[3] = 1.0;
         p[4] = 0.0001;
         p[5] = -0.0770;
         temp = ColorTemp::D60;
+    } else if (icm.wprimari == "acesp1") {		
+        p[0] = 0.713;    // ACES P1 primaries
+        p[1] = 0.293;
+        p[2] = 0.165;
+        p[3] = 0.830;
+        p[4] = 0.128;
+        p[5] = 0.044;
+        temp = ColorTemp::D60;
+    } else if (icm.wprimari == "proph") {		
+        p[0] = 0.7347;    //ProPhoto and default primaries
+        p[1] = 0.2653;
+        p[2] = 0.1596;
+        p[3] = 0.8404;
+        p[4] = 0.0366;
+        p[5] = 0.0001;		
     } else {
         p[0] = 0.7347;    //ProPhoto and default primaries
         p[1] = 0.2653;
@@ -1448,14 +1463,14 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
     }
 
     //necessary for V2 profile
-    if (icm.wprimari == "ProPhoto"    && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.prophoto)   && !pro) {
+    if (icm.wprimari == "proph"    && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.prophoto)   && !pro) {
         outProfile = options.rtSettings.prophoto;
         outPr = "RT_large";
 
-    } else if (icm.wprimari == "Adobe RGB" && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.adobe)) {
+    } else if (icm.wprimari == "adob" && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.adobe)) {
         outProfile = options.rtSettings.adobe;
         outPr = "RT_adob";
-    } else if (icm.wprimari == "WideGamut" && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.widegamut)) {
+    } else if (icm.wprimari == "wideg" && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.widegamut)) {
         outProfile = options.rtSettings.widegamut;
         outPr = "RT_wide";
     } else if (icm.wprimari == "Beta RGB"  && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.beta)) {
@@ -1467,22 +1482,25 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
     } else if (icm.wprimari == "BruceRGB"  && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.bruce)) {
         outProfile = options.rtSettings.bruce;
         outPr = "RT_bruce";
-    } else if (icm.wprimari == "sRGB"      && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.srgb)       && !pro) {
+    } else if (icm.wprimari == "srgb"      && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.srgb)       && !pro) {
         outProfile = options.rtSettings.srgb;
         outPr = "RT_srgb";
     } else if (icm.wprimari == "sRGB"      && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.srgb10)     &&  pro) {
         outProfile = options.rtSettings.srgb10;
         outPr = "RT_srgb";
 
-    } else if (icm.wprimari == "ProPhoto"  && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.prophoto10) &&  pro) {
+    } else if (icm.wprimari == "proph"  && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.prophoto10) &&  pro) {
         outProfile = options.rtSettings.prophoto10;
         outPr = "RT_large";
 
-    } else if (icm.wprimari == "Rec2020"   && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.rec2020)) {
+    } else if (icm.wprimari == "rec2020"   && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.rec2020)) {
         outProfile = options.rtSettings.rec2020;
         outPr = "RT_rec2020";
 
-    } else if (icm.wprimari == "ACESc"   && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.ACESc)) {
+    } else if (icm.wprimari == "acesp0"   && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.ACESc)) {
+        outProfile = options.rtSettings.ACESc;
+        outPr = "RT_acesc";
+    } else if (icm.wprimari == "acesp1"   && rtengine::ICCStore::getInstance()->outputProfileExist(options.rtSettings.ACESc)) {
         outProfile = options.rtSettings.ACESc;
         outPr = "RT_acesc";
 
@@ -1617,14 +1635,14 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
     ColorTemp temp = ColorTemp::D50;
     float p[6]; //primaries
 
-    if (icm.wprimari == "WideGamut") {
+    if (icm.wprimari == "wideg") {
         p[0] = 0.7350;    //Widegamut primaries
         p[1] = 0.2650;
         p[2] = 0.1150;
         p[3] = 0.8260;
         p[4] = 0.1570;
         p[5] = 0.0180;
-    } else if (icm.wprimari == "Adobe RGB") {
+    } else if (icm.wprimari == "adob") {
         p[0] = 0.6400;    //Adobe primaries
         p[1] = 0.3300;
         p[2] = 0.2100;
@@ -1632,7 +1650,7 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
         p[4] = 0.1500;
         p[5] = 0.0600;
         temp = ColorTemp::D65;
-    } else if (icm.wprimari == "sRGB") {
+    } else if (icm.wprimari == "srgb") {
         p[0] = 0.6400;    // sRGB primaries
         p[1] = 0.3300;
         p[2] = 0.3000;
@@ -1662,7 +1680,7 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
         p[3] = 0.7750;
         p[4] = 0.1300;
         p[5] = 0.0350;
-    } else if (icm.wprimari == "Rec2020") {
+    } else if (icm.wprimari == "rec2020") {
         p[0] = 0.7080;    // Rec2020 primaries
         p[1] = 0.2920;
         p[2] = 0.1700;
@@ -1670,13 +1688,29 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
         p[4] = 0.1310;
         p[5] = 0.0460;
         temp = ColorTemp::D65;
-    } else if (icm.wprimari == "ACESc") {
-        p[0] = 0.7347;    // ACESc primaries
+    } else if (icm.wprimari == "acesp0") {
+        p[0] = 0.7347;    // ACES P0 primaries
         p[1] = 0.2653;
         p[2] = 0.0000;
         p[3] = 1.0;
         p[4] = 0.0001;
         p[5] = -0.0770;
+        temp = ColorTemp::D60;
+    } else if (icm.wprimari == "acesp1") {		
+        p[0] = 0.713;    // ACES P1 primaries
+        p[1] = 0.293;
+        p[2] = 0.165;
+        p[3] = 0.830;
+        p[4] = 0.128;
+        p[5] = 0.044;
+        temp = ColorTemp::D60;
+    } else if (icm.wprimari == "proph") {		
+        p[0] = 0.7347;    //ProPhoto and default primaries
+        p[1] = 0.2653;
+        p[2] = 0.1596;
+        p[3] = 0.8404;
+        p[4] = 0.0366;
+        p[5] = 0.0001;		
     } else {
         p[0] = 0.7347;    //ProPhoto and default primaries
         p[1] = 0.2653;
diff --git a/rtgui/icmpanel.cc b/rtgui/icmpanel.cc
index ff36ca7cf..46ea3e6ce 100644
--- a/rtgui/icmpanel.cc
+++ b/rtgui/icmpanel.cc
@@ -257,16 +257,23 @@ ICMPanel::ICMPanel() : FoldableToolPanel(this, "icm", M("TP_ICM_LABEL")), iuncha
     wprimari = Gtk::manage(new MyComboBoxText());
     priHBox->pack_start(*wprimari, Gtk::PACK_EXPAND_WIDGET);
     fgVBox->pack_start(*priHBox, Gtk::PACK_EXPAND_WIDGET);
-
+    wprimari->append(M("TP_GAMMA_PRIM_ACESP0"));
+    wprimari->append(M("TP_GAMMA_PRIM_ACESP1"));
+    wprimari->append(M("TP_GAMMA_PRIM_ADOBE"));
+    wprimari->append(M("TP_GAMMA_PRIM_PROPH"));
+    wprimari->append(M("TP_GAMMA_PRIM_REC2020"));
+    wprimari->append(M("TP_GAMMA_PRIM_SRGB"));
+    wprimari->append(M("TP_GAMMA_PRIM_WIDEG"));
+/*
     std::vector<Glib::ustring> wprinames = rtengine::ICCStore::getInstance()->getWorkingProfiles();
 
     for (size_t i = 0; i < wprinames.size(); i++) {
-        if (i <= 1  || i >= 5) {
+        if (i <= 2  || i >= 6) {
             wprimari->append(wprinames[i]);
         }
     }
-
-    wprimari->set_active(6);
+*/
+    wprimari->set_active(5);
     fgVBox->pack_start(*gaHBox, Gtk::PACK_EXPAND_WIDGET);
 
     gampos = Gtk::manage(new Adjuster(M("TP_GAMMA_CURV"), 1, 3.5, 0.00001, 2.4));
@@ -277,6 +284,8 @@ ICMPanel::ICMPanel() : FoldableToolPanel(this, "icm", M("TP_ICM_LABEL")), iuncha
     }
 
     gampos->show();
+   // slpos = Gtk::manage(new Adjuster(M("TP_GAMMA_SLOP"), 5800, 6200, 0.00001, 6000.));
+	
     slpos = Gtk::manage(new Adjuster(M("TP_GAMMA_SLOP"), 0, 15, 0.00001, 12.92310));
     slpos->setAdjusterListener(this);
 
@@ -578,9 +587,27 @@ void ICMPanel::read(const ProcParams* pp, const ParamsEdited* pedited)
 
     wnames->set_active_text(pp->icm.working);
     wgamma->set_active_text(pp->icm.gamma);
-    wprimari->set_active_text(pp->icm.wprimari);
+//    wprimari->set_active_text(pp->icm.wprimari);
 //   wprofile->set_active_text (pp->icm.wprofile);
 
+    if (pp->icm.wprimari == "acesp0") {
+        wprimari->set_active(0);
+    } else if (pp->icm.wprimari == "acesp1") {
+        wprimari->set_active(1);
+    } else if (pp->icm.wprimari == "adob") {
+        wprimari->set_active(2);
+    } else if (pp->icm.wprimari == "proph") {
+        wprimari->set_active(3);
+    } else if (pp->icm.wprimari == "rec2020") {
+        wprimari->set_active(4);
+    } else if (pp->icm.wprimari == "srgb") {
+        wprimari->set_active(5);
+    } else if (pp->icm.wprimari == "wideg") {
+        wprimari->set_active(6);
+    }
+
+
+
     if (pp->icm.wprofile == "none") {
         wprofile->set_active(0);
     } else if (pp->icm.wprofile == "v2") {
@@ -724,6 +751,23 @@ void ICMPanel::write(ProcParams* pp, ParamsEdited* pedited)
         pp->icm.wprofile = "v4";
     }
 
+    if (wprimari->get_active_row_number() == 0) {
+        pp->icm.wprimari = "acesp0";
+    } else if (wprimari->get_active_row_number() == 1) {
+        pp->icm.wprimari = "acesp1";
+    } else if (wprimari->get_active_row_number() == 2) {
+        pp->icm.wprimari = "adob";
+    } else if (wprimari->get_active_row_number() == 3) {
+        pp->icm.wprimari = "proph";
+    } else if (wprimari->get_active_row_number() == 4) {
+        pp->icm.wprimari = "rec2020";
+    } else if (wprimari->get_active_row_number() == 5) {
+        pp->icm.wprimari = "srgb";
+    } else if (wprimari->get_active_row_number() == 6) {
+        pp->icm.wprimari = "wideg";
+    }
+		
+	
     pp->icm.freegamma = freegamma->get_active();
     pp->icm.toneCurve = ckbToneCurve->get_active();
     pp->icm.applyLookTable = ckbApplyLookTable->get_active();