{"id":3830,"date":"2025-04-21T12:14:52","date_gmt":"2025-04-21T12:14:52","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=3830"},"modified":"2025-06-10T06:18:52","modified_gmt":"2025-06-10T06:18:52","slug":"setfgcolorrred-ggreen-bblue-aalpha-hash-function","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/","title":{"rendered":"# SetFGColor(r:Red, g:Green, b:Blue {,a:Alpha}) hash function"},"content":{"rendered":"\n<p>Valid for use with hash command:&nbsp;<code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/\">HMI<\/a> <\/code>Arguments may be specified as&nbsp;<a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/namevalue-pairs-in-hash-functions\/\">Name:Value Pairs<\/a><\/p>\n\n\n\n<p>Implemented on the following platforms: HMi430, Android, Windows (except Alpha)<\/p>\n\n\n\n<p>Sets the foreground (text) colour for future display hash functions to the colour specified by&nbsp;<code>Red<\/code>,&nbsp;<code>Green<\/code>&nbsp;and&nbsp;<code>Blue<\/code>&nbsp;components using the&nbsp;<a href=\"http:\/\/en.wikipedia.org\/wiki\/RGB_color_model\">RGB colour model<\/a>. Legal values for each are 0 to 255. The 4th parameter,&nbsp;<code>Alpha<\/code>, is optional. It controls the transparency.&nbsp;<code>Alpha<\/code>&nbsp;= 0 gives total transparency,&nbsp;<code>Alpha<\/code>&nbsp;= 255 makes it totally opaque.&nbsp;<code>Alpha<\/code>&nbsp;is not implemented in the Windows&nbsp;<a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/glossary-of-terms\/#o5380\">SimpleHMI<\/a>&nbsp;client.<\/p>\n\n\n\n<p>Common colours are:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>(255, 255, 255)<\/td><td>White<\/td><\/tr><tr><td>(255, 0, 0)<\/td><td>Red<\/td><\/tr><tr><td>(0, 255 ,0)<\/td><td>Green<\/td><\/tr><tr><td>(0, 0, 255)<\/td><td>Blue<\/td><\/tr><tr><td>(0, 0, 0)<\/td><td>Black<\/td><\/tr><tr><td>(128, 128, 128)<\/td><td>Medium grey<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Example:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#\t<a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/glossary-of-terms\/#o5243\">HMI<\/a> SetFGColour(r:0, g:0, b:255) SetBGColour(255, 0, 0) Print(\" Hello World \")<\/pre>\n\n\n\n<p>will display the message in blue letters on a red background.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#\tHMI SetFGColour(0, 0, 255) SetBGColour(255, 0, 0, 100) Print(\" Hello World \")<\/pre>\n\n\n\n<p>will display the message in blue letters on a semi-transparent red background.<\/p>\n\n\n\n<p>Hint: Colours can be defined using #EQU, to allow easy global changes. Example:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">clrRED        #EQU     \"255, 0, 0\"\nclrGREEN      #EQU     \"0, 255, 0\"\nclrBLUE       #EQU     \"0, 0, 255\"\nclrMIDGREY    #EQU     \"128, 128, 128\"\nclrBackground #EQU     clrMIDGREY\n...\n# HMI SetFGColour(clrRED) SetBGColour(clrBackground)<\/pre>\n\n\n\n<p>You may also use the keywords&nbsp;<code>SetFGColour, FGColourRGB, FGColorRGB<\/code><\/p>\n\n\n\n<p>See also&nbsp;<code><a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setbgcolorrred-ggreen-bblue-aalpha-hash-function\/\">SetBGColor<\/a>, <a href=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/programming-reference\/instructions-arranged-by-function\/hash-commands-and-functions\/hmi-controller-instructions\/setcolors\/\">SetColors<\/a><\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Valid for use with hash command:&nbsp;HMI Arguments may be specified as&nbsp;Name:Value Pairs Implemented on the following platforms: HMi430, Android, Windows (except Alpha) Sets the foreground&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3808,"menu_order":11,"template":"","class_list":["post-3830","spl_knowledgebase","type-spl_knowledgebase","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title># SetFGColor(r:Red, g:Green, b:Blue {,a:Alpha}) hash function - SPLat Controls<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"# SetFGColor(r:Red, g:Green, b:Blue {,a:Alpha}) hash function - SPLat Controls\" \/>\n<meta property=\"og:description\" content=\"Valid for use with hash command:&nbsp;HMI Arguments may be specified as&nbsp;Name:Value Pairs Implemented on the following platforms: HMi430, Android, Windows (except Alpha) Sets the foreground...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/\" \/>\n<meta property=\"og:site_name\" content=\"SPLat Controls\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-10T06:18:52+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/\",\"url\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/\",\"name\":\"# SetFGColor(r:Red, g:Green, b:Blue {,a:Alpha}) hash function - SPLat Controls\",\"isPartOf\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/#website\"},\"datePublished\":\"2025-04-21T12:14:52+00:00\",\"dateModified\":\"2025-06-10T06:18:52+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/hmi-android-windows\/hmi-deprecated-functions\/setfgcolorrred-ggreen-bblue-aalpha-hash-function\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Deprecated\",\"item\":\"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/deprecated\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"# HMI Android &#038; 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