c++ - how to draw polygons in OpenGL that have an outline drawn

How can I draw a shape like this in OpenGL? I mean, I know how to draw polygons in OpenGL. I want to know how to make the outline black and the fill color ( for example ) yellow?

LearnOpenGL - Hello Triangle

Shapes (SFML / Learn / 2.0 Tutorials)

Drawing n-pointed star opengl c++ - Stack Overflow

c++ - OpenGL: While drawing a polygon, what if the first vertex is outside of the screen space (Triangle fans) - Stack Overflow

Draw Shapes in OpenGL (Line,Rectangle,Triangle,Polygon,Point), Computer Graphics

Interactive Techniques in Three-dimensional Scenes (Part 1): Moving 3D Objects with the Mouse using OpenGL 2.1 - CodeProject

OpenGL - Drawing polygons

Drawing Polylines by Tessellation - CodeProject

Lab 2: Points, Primitives and 2D Art

c++ - OpenGL - object outline - Stack Overflow

Rendering a Triangle using OpenGL(using Shaders) - GeeksforGeeks