Update BackgroundFormData.xml

Author: manjusha729

app/code/Magento/PageBuilder/Test/Mftf/Data/BackgroundFormData.xml

@@ -208,7 +208,7 @@
         <data key="section">background</data>
         <data key="fieldName">background_color</data>
         <data key="value">#40807f</data>
-        <data key="rgb">rgb(63, 125, 127)</data>
+        <data key="rgb">rgb(63, 123, 126)</data>
         <data key="hex">#3f7d7f</data>
         <data key="rgbaCenterOfLightDarkSlider">rgba(64, 128, 127, 0.5)</data>
         <data key="rgbaCenterOfLightDarkSliderRegex">^rgba\(63,\s*125,\s*127,\s*0.49(\d+)\)</data>