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Minimalistic High Contrast Symbols

Name: BlackButtonOnOff.sym, BlackMeter_01.sym, BlackSliderLarge_01.sym, BlackSliderLarge_02.sym, WhiteButtonOnOff.sym, WhiteMeter_01.sym, WhiteSliderLarge_01.sym, WhiteSliderLarge_02.sym

Range (if applicable):

+/- 1000 (maybe more)


This symbol set provides 8 different symbols, that have a simple, “Minimalistic” design. These symbols are meant to be used when high contrast, extreme visibility is necessary. Embedded HMI or even Internet of Things (IoT) devices are perfect for this type of visual interface.


  1. These are made of 100% native InduSoft Web Studio object, no pictures

Ideas for improvement:

  1. Add color, maybe red, when in alarm condition

  2. Make different sizes.

  3. Add a variation that implements a set point slider

Here’s how to use this symbol:
Unzip and copy the .sym files into your Symbol folder of where InduSoft Web Studio is installed. This is usually “C:\Program Files (x86)\InduSoft Web Studio v7.1\Symbol” or similar. Either create a new folder or copy it into an existing one, such as “Minimal”.

Download Minimalistic High Contrast Symbols Here! 


Some Tips for creating a Minimalist Design:

Use Color Sparingly and Mindfully: While an application may rely on a mostly monochrome interface, it is occasionally necessary to introduce colors. When using colors in a minimalist design, choose one color that communicates the same message consistently throughout the entire application. For example, red might indicate an alarm that requires manual action or acknowledgement. Be aware that some percentage of the population is color blind and may not be able to distinguish certain colors, and some displays that use the increasingly viable e-ink may not offer color options.

Text and Images should not Compete for Hierarchy: When designing a monochrome or minimalist interface, high contrast lines are the main form of communication to the users. If text and graphics compete, the design will quickly become unreadable. For that reason, we suggest giving graphics their own line weight, and text another. This should be consistent throughout the application.

Clear Navigation that Stands out from the Information Presented: It’s important not to let navigation be caught up in the information being presented on screen. For this reason, minimalist displays should find a way to differentiate navigation buttons by ensuring that they have a shape, color, or high enough contrast from the background to be visible without getting lost in the information on the screen.

Design Applications for the Smallest Display Size: This is one that applies to most applications, but it is especially relevant on HMI applications designed for embedded devices. Design applications for the smallest size screen they will be displayed on. It is much easier to enlarge an application to fit a bigger resolution than it is to shrink it down and maintain easy legibility.

We encourage you to modify and share these symbols with other users. Your symbol might be perfect for someone else, or they might make an ideal symbol for you. We want your feedback, so tell us what symbols you want us to create for the next “Symbol of the week”! Tell us in this short survey