Does openrndr use opengl under the hood?

I just started learning about graphics programming so i was wondering. Does openrndr use opengl under the hood?

Hi! Yes it does.

Here you can see the main opengl related classes: openrndr/openrndr-jvm/openrndr-gl3/src/jvmMain/kotlin/org/openrndr/internal/gl3 at master · openrndr/openrndr · GitHub
and if you are targetting the web browser it uses webgl: openrndr/openrndr-js/openrndr-webgl/src/jsMain/kotlin/org/openrndr/webgl at master · openrndr/openrndr · GitHub