Maybe a Jumping Spider - see related link below .
thorn spider
The distinguishing feature of a black spider with brown markings on its back is the unique coloration pattern that sets it apart from other spiders.
It is the marbled golden orb weaver.
maybe it's a black widow?
The black spider with orange markings plays a significant role in the ecosystem as a predator that helps control insect populations. By preying on insects, the spider helps maintain balance in the ecosystem and contributes to overall biodiversity.
It sounds like you are describing a black widow spider. Black widows are easily recognizable by their shiny black bodies with red hourglass markings on the abdomen. They are known for their venomous bite, so it's best to avoid contact with them.
This is most likely a common garden spider. They typically are described as black and yellow, but the yellow markings can appear orange at times.
The distinguishing feature of a brown spider with black on its back is the distinct color pattern, which typically includes a brown body with black markings on its back.
A red and blue spider is called the Red-Headed Mouse Spider and the scientific name is Missulena Occatoria. These spiders are considered dangerous because they are known to produce high amounts of toxic venom.
Black widow
It is possible that you are describing a Marbled Orbweaver spider, which is black with yellow or white markings. This spider can be found in North America and is not harmful to humans. It is important to observe from a safe distance.
black widow No this isn't a black widow...their red or orange markings are on the spiders belly since Black widows hang under their webs. The best guess is a jumping spider if the markings are visible when the spider is walking around. The Australian Redback Widow is the exception to the rule, it's markings as it's name implies on on the back.