Red light, green light.

It's a red light!

It's a red light!

The railroad worm, Phrixothrix hirtus, can light up its body in two colors red and green.

The cones, however, are a different story.

Red is out of fashion.

Red one.

Suppose we have four blocks.

Horse DB Yellow.

Red one.

Color of equator line

Red light... green light.

So, how come this region, where the red and green lights mix,

Red or yellow?

Its color is red.

the red and yellow SBahn.

low frequency light waves look red, and in between frequencies look yellow, green, orange, and so on.

The point is, your brain receives the same signal, regardless of whether you see light that has the yellow frequency or light that is a mixture of the green and red frequencies.

Color of planet trails

Yellow and Red

The computer's color is red.

The color for the equator line.

When there's a lot of chlorophyil around, they see a lot of green light.

That light is green.

Yellow and Red Reflection

He had gray skin... red eyes.

For instance, you might have seen this picture before.

Try out this dumpling cut noodles.

The pencil looks yellow because it reflects yellow light more than it reflects the other colors.

Technically you measure how much certain genes are expressed.

When this thing ruptures, you can also have blood clots form here.

Twinkle Twinkle little bat

Suspension? Suspension of execution.

Violet light has a shorter wavelength than red light.

Let me now the same question again for a different alignment.

Do you have any in red?

Red is the gods' color.

Garden of Coloured Lights

It is similar with objects of other colors.

Any volunteers from your village?

Yellow, red.

You see that red?

The valley was aflame with red and yellow leaves.

A beam of white light is split by a prism into rays of various colors.

So, most animals make blue light, and most animals can only see blue light, but this fish is a really fascinating exception because it has two red light organs.