When you embed a shared google calendar (multiple calendars in one view).. You lose the color coding! The trick to add color coding back in to the various calendars is to add a color after the &source.

Google Calendar Embed Color Codes

These are the color codes for events when embedding multiple google public calendars on your site.

Pink – %23B1365F

Fuchsia – %235C1158

Red – %23711616

Crimson – %23691426

Orange – %23BE6D00

Orange Red – %23B1440E

Red Orange – %23853104

Burnt Orange – %238C500B

Brown Orange – %23754916

Gold – %2388880E

Goldenrod- %23AB8B00

Darker Goldenrod – %23856508

Pale Green- %2328754E

Lighter Green – %231B887A

Green – %2328754E

Forest Green – %230D7813

Olive Green – %23528800

Jungle Green – %23125A12

Another Olive – %232F6309

Another Green – %232F6213

Sea Green – %230F4B38

Golden Olive – %235F6B02

Green Gray – %234A716C

Olive Gray – %236E6E41

Dull Navy – %2329527A

Standard Blue – %232952A3

Blue Gray – %234E5D6C

Blue Steel – %235A6986

Another blue – %23182C57

Dark Blue – %23060D5E

Sea Blue – %23113F47

Violet – %237A367A

Purple- %235229A3

Purple Gray – %23865A5A

Purple Brown – %23705770

Deep Purple – %2323164E

Magenta – %235B123B

Another Purple – %2342104A

Yellow Brown – %23875509

Brown – %238D6F47

Nice Brown – %236B3304

Black- %23333333

SAMPLE EMBED CODE:

The following embed code embeds 4 different google calendars into one (1) view:  In WordPress, I put this embed code in a CODE BLOCK: