diff --git a/devtools/client/netmonitor/src/assets/styles/RequestList.css b/devtools/client/netmonitor/src/assets/styles/RequestList.css
index e2e19ee962ad..fb154720e17b 100644
--- a/devtools/client/netmonitor/src/assets/styles/RequestList.css
+++ b/devtools/client/netmonitor/src/assets/styles/RequestList.css
@@ -48,6 +48,7 @@
   width: 100%;
   height: 100%;
   overflow: hidden;
+  color: var(--table-text-color);
 }
 
 .requests-list-wrapper {
@@ -590,8 +591,8 @@
   background-color: var(--theme-selection-background-hover);
 }
 
-.request-list-item.fromCache > .requests-list-column:not(.requests-list-waterfall) {
-  opacity: 0.6;
+.request-list-item:not(.selected).fromCache > .requests-list-column:not(.requests-list-waterfall) {
+  opacity: 0.7;
 }
 
 /* Responsive web design support */
diff --git a/devtools/client/netmonitor/src/assets/styles/variables.css b/devtools/client/netmonitor/src/assets/styles/variables.css
index 432eb4b9a3f0..f86f60f20800 100644
--- a/devtools/client/netmonitor/src/assets/styles/variables.css
+++ b/devtools/client/netmonitor/src/assets/styles/variables.css
@@ -3,6 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 :root.theme-dark {
+  --table-text-color: var(--grey-40);
   --table-splitter-color: rgba(255,255,255,0.15);
   --table-zebra-background: rgba(255,255,255,0.05);
 
@@ -21,6 +22,7 @@
 :root.theme-light {
   --theme-body-color: var(--grey-70);
 
+  --table-text-color: var(--grey-70);
   --table-splitter-color: rgba(0,0,0,0.15);
   --table-zebra-background: rgba(0,0,0,0.05);