diff --git a/htdocs/core/class/html.formother.class.php b/htdocs/core/class/html.formother.class.php
index 1908d04c312..049ec0c5d75 100644
--- a/htdocs/core/class/html.formother.class.php
+++ b/htdocs/core/class/html.formother.class.php
@@ -601,29 +601,9 @@ class FormOther
     static function showColor($color, $textifnotdefined='')
     {
     	$textcolor='FFF';
-    	if ($color)
-    	{
-    	    $tmp=explode(',', $color);
-    	    if (count($tmp) > 1)   // This is a comma RGB ('255','255','255')
-    	    {
-    	        $r = $tmp[0];
-    	        $g = $tmp[1];
-    	        $b = $tmp[2];
-    	    }
-    	    else
-    	    {
-    	        $hexr=$color[0].$color[1];
-    	        $hexg=$color[2].$color[3];
-    	        $hexb=$color[4].$color[5];
-            	$r = hexdec($hexr);
-            	$g = hexdec($hexg);
-            	$b = hexdec($hexb);
-    	    }
-        	$bright = (max($r, $g, $b) + min($r, $g, $b)) / 510.0;    // HSL algorithm
-            if ($bright > 0.6) $textcolor='000';
-    	}
-
     	include_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
+    	if(colorIsLight($color)) $textcolor='000';
+
     	$color = colorArrayToHex(colorStringToArray($color,array()),'');
 
 		if ($color) print '<input type="text" class="colorthumb" disabled style="padding: 1px; margin-top: 0; margin-bottom: 0; color: #'.$textcolor.'; background-color: #'.$color.'" value="'.$color.'">';
diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 483e3e5b46e..3d4b7352dc3 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -2150,6 +2150,40 @@ function colorStringToArray($stringcolor,$colorifnotfound=array(88,88,88))
 	return array(hexdec($reg[1]),hexdec($reg[2]),hexdec($reg[3]));
 }
 
+/**
+ *	Return true if the color is light
+ *
+ *  @param	string	$stringcolor		String with hex (FFFFFF) or comma RGB ('255,255,255')
+ *  @return	int							-1 : Error with argument passed |0 : color is dark | 1 : color is light
+ */
+function colorIsLight($stringcolor)
+{
+	$res = -1;
+	if (!empty($stringcolor))
+	{
+		$res = 0;
+		$tmp=explode(',', $stringcolor);
+		if (count($tmp) > 1)   // This is a comma RGB ('255','255','255')
+		{
+			$r = $tmp[0];
+			$g = $tmp[1];
+			$b = $tmp[2];
+		}
+		else
+		{
+			$hexr=$stringcolor[0].$stringcolor[1];
+			$hexg=$stringcolor[2].$stringcolor[3];
+			$hexb=$stringcolor[4].$stringcolor[5];
+			$r = hexdec($hexr);
+			$g = hexdec($hexg);
+			$b = hexdec($hexb);
+		}
+		$bright = (max($r, $g, $b) + min($r, $g, $b)) / 510.0;    // HSL algorithm
+		if ($bright > 0.6) $res = 1;
+	}
+	return $res;
+}
+
 /**
  * Applies the Cartesian product algorithm to an array
  * Source: http://stackoverflow.com/a/15973172
diff --git a/htdocs/langs/en_US/projects.lang b/htdocs/langs/en_US/projects.lang
index e6f38971e01..408c3db5e7a 100644
--- a/htdocs/langs/en_US/projects.lang
+++ b/htdocs/langs/en_US/projects.lang
@@ -213,3 +213,5 @@ AllowCommentOnTask=Allow user comments on tasks
 TaskCommentLinks=Comments
 TaskNbComments=Number of comments
 TaskComment=Task's comments space
+CommentAdded=Comment added
+CommentDeleted=Comment deleted
diff --git a/htdocs/langs/fr_FR/projects.lang b/htdocs/langs/fr_FR/projects.lang
index ece3272c743..154c1138ab9 100644
--- a/htdocs/langs/fr_FR/projects.lang
+++ b/htdocs/langs/fr_FR/projects.lang
@@ -212,3 +212,5 @@ AllowCommentOnTask=Autoriser les commentaires entre utilisateurs sur les tâches
 TaskCommentLinks=Commentaires
 TaskNbComments=Nombre de commentaires
 TaskComment=Tâches espace commentaires
+CommentAdded=Commentaire ajouté avec succès
+CommentDeleted=Commentaire supprimé avec succès
diff --git a/htdocs/projet/tasks/comment.php b/htdocs/projet/tasks/comment.php
index 3f0cbe0bf47..3ee3cf2593b 100644
--- a/htdocs/projet/tasks/comment.php
+++ b/htdocs/projet/tasks/comment.php
@@ -81,6 +81,7 @@ if ($action == 'addcomment')
 		$object->entity = $conf->entity;
 		if ($object->create($user) > 0)
 		{
+			setEventMessages($langs->trans("CommentAdded"), null, 'mesgs');
 			header('Location: '.DOL_URL_ROOT.'/projet/tasks/comment.php?id='.$id.($withproject?'&withproject=1':''));
 			exit;
 		}
@@ -97,6 +98,7 @@ if ($action == 'deletecomment')
 	{
 		if ($object->delete($user) > 0)
 		{
+			setEventMessages($langs->trans("CommentDeleted"), null, 'mesgs');
 			header('Location: '.DOL_URL_ROOT.'/projet/tasks/comment.php?id='.$id.($withproject?'&withproject=1':''));
 			exit;
 		}
@@ -348,35 +350,53 @@ if ($id > 0 || ! empty($ref))
 		// List of comments
 		if(!empty($task->comments)) {
 			// Default color for current user
-			$TColors = array($user->id => 'efefef');
+			$TColors = array($user->id => array('bgcolor'=>'efefef','color'=>'555'));
 			$first = true;
 			foreach($task->comments as $comment) {
 				$fk_user = $comment->fk_user;
 				$userstatic->fetch($fk_user);
 				if(empty($TColors[$fk_user])) {
-					$TColors[$fk_user] = random_color(180,240);
+					$bgcolor = random_color(180,240);
+					if(!empty($userstatic->color)) {
+						$bgcolor = $userstatic->color;
+					}
+					$color = (colorIsLight($bgcolor))?'555':'fff';
+					$TColors[$fk_user] = array('bgcolor'=>$bgcolor,'color'=>$color);
 				}
-				print '<div class="width100p clearboth">';
+				print '<div class="width100p" style="color:#'.$TColors[$fk_user]['color'].'">';
 				if($comment->fk_user == $user->id) {
 					print '<div class="width25p float">&nbsp;</div>';
 				}
 				
-				print '<div class="width75p float comment" style="background-color:#'.$TColors[$fk_user].'">';
-				print '<div class="comment-description">';
-				print $comment->description;
-				print '</div>';
-				print '<div class="comment-info">';
+				print '<div class="width75p float comment comment-table" style="background-color:#'.$TColors[$fk_user]['bgcolor'].'">';
+				print '<div class="comment-info comment-cell">';
+				if (! empty($user->photo))
+				{
+					print Form::showphoto('userphoto', $userstatic, 80, 0, 0, '', 'small', 0, 1).'<br/>';
+				}
 				print $langs->trans('User').' : '.$userstatic->getNomUrl().'<br/>';
 				print $langs->trans('Date').' : '.dol_print_date($comment->datec,'dayhoursec');
+				print '</div>'; // End comment-info
+				
+				print '<div class="comment-cell comment-right">';
+				print '<div class="comment-table width100p">';
+				print '<div class="comment-description comment-cell">';
+				print $comment->description;
+				print '</div>'; // End comment-description
 				if(($first && $fk_user == $user->id) || $user->admin == 1) {
-					print '<br/> <a href="?action=deletecomment&id='.$id.'&withproject=1&idcomment='.$comment->id.'">'.$langs->trans('Delete').'</a>';
+					print '<a class="comment-delete comment-cell" href="'.DOL_URL_ROOT.'/projet/tasks/comment.php?action=deletecomment&id='.$id.'&withproject=1&idcomment='.$comment->id.'" title="'.$langs->trans('Delete').'">';
+					print img_picto('', 'delete.png');
+					print '</a>';
 				}
-				print '</div>';
-				print '</div>';
+				print '</div>'; // End comment-table
+				print '</div>'; // End comment-right
+				print '</div>'; // End comment
 				
 				if($comment->fk_user != $user->id) {
 					print '<div class="width25p float">&nbsp;</div>';
 				}
+				print '<div class="clearboth"></div>';
+				print '</div>'; // end 100p
 				
 				$first = false;
 			}
diff --git a/htdocs/theme/eldy/style.css.php b/htdocs/theme/eldy/style.css.php
index f89dc060489..3d58211fbde 100644
--- a/htdocs/theme/eldy/style.css.php
+++ b/htdocs/theme/eldy/style.css.php
@@ -3818,16 +3818,45 @@ pre#editfilecontentaceeditorid {
 #comment div {
 	box-sizing:border-box;
 }
-
 #comment .comment {
     border-radius:7px;
-    padding:7px 10px;
     margin-bottom:10px;
+    overflow:hidden;
+}
+#comment .comment-table {
+    display:table;
+    height:100%;
+}
+#comment .comment-cell {
+    display:table-cell;
 }
 #comment .comment-info {
     font-size:0.8em;
-    color:#555;
-    margin-top:5px;
+    border-right:1px solid #dedede;
+    margin-right:10px;
+    width:160px;
+    text-align:center;
+    background:rgba(255,255,255,0.5);
+    vertical-align:middle;
+    padding:10px 2px;
+}
+#comment .comment-info a {
+    color:inherit;
+}
+#comment .comment-right {
+    vertical-align:top;
+}
+#comment .comment-description {
+    padding:10px;
+    vertical-align:top;
+}
+#comment .comment-delete {
+    width: 100px;
+    text-align:center;
+    vertical-align:middle;
+}
+#comment .comment-delete:hover {
+    background:rgba(250,20,20,0.8);
 }
 #comment textarea {
     width: 100%;