You can shoot elephants behind the forelegs with an AK47 (7,65x39), also the .303 is used by poachers. But that is not ethical hunting. You can shoot like Bell with the 7x57, 173 gr at 2350 f/s if you are experienced like Bell to find the right spot for a side brain shot just in front of the earhole.
Green has been proven to be pleasing to human senses being associated with calmness, wealth, generosity, good luck and fertility. It is also the colour of peace. It is worth noting that the colour yellow biologically makes people feel more optimistic and energetic as it stimulates the release of the feel-good chemical seratonin.
Complementary colors are really bad for text. Analogous. Analogous color schemes use colors that are next to each other on the color wheel. They usually match well and create serene and comfortable designs. Analogous color schemes are often found in nature and are harmonious and pleasing to the eye.