Scatter Plot

library(ggplot2)
## Warning: package 'ggplot2' was built under R version 4.4.3
ggplot(data = mtcars, aes(x = wt, y = mpg,color=factor(cyl))) + 
  geom_point(alpha=0.5,size=10)+
  scale_color_manual(values=c("#006666","#00FF00","#FFFF00"))