Stoplight

Red means stop, and this one means halt, right now, don't move.

#dd1111

Stoplight is a rich red.

It can be described as rich, strong, warm and fresh.

Set in white, because white reads best on it.

Stoplight

Traffic light

Traffic lights, traffic signals, or stoplights – also known as robots in South Africa, Zambia, and Namibia – are signalling devices positioned at road intersections, pedestrian crossings, and other locations to control the flow of traffic.

Read on Wikipedia

stoplight

Noun

A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively.
A light on the rear of a vehicle that is activated when braking; a brake light.

Wiktionary

Its neighbors.

Passion for Revenge, #dd0d06 Hot Flamin Chilli, #dd180e Midwinter Fire, #dd1100 Anarchy, #de0300 Republican, #de0100 Red Knuckles, #dd0011 Red Pegasus, #dd0000 Setsugekka, #e00012 Red Wrath of Zeus, #e0180c Tomato Baby, #e10d18 Orko, #d91407 Redsurrection, #d90b0b

Stoplight

#dd1111

Stoplight

Traffic light

stoplight

Its neighbors.

Its complements.

As a ramp.