Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to use colors in technical writing [title] Develop a color scheme instead of choosing colors randomly. [step] Colors should be used to call attention to the text, not to the colors themselves. Choose a small number of colors that look good together and document your choices in your technical publications style guide.

Ending1: [substeps] Plan your neutrals so as to reduce contrast. Use 100% neutrals for complex writing and 50% neutrals for advanced writing. Ending2: Leave out any cumbersome, unnecessary, or poorly organized colors. [substeps] Apply your color scheme to whichever paper you use. Ending3: [substeps] If necessary, you should also devote an introductory paragraph on the way color is used in your publications in the publications themselves, if your colors have been chosen to serve particular purposes, such as providing tips or warnings. [title] Be consistent in your use of color. Ending4: By contrast, save colors that clash, are less use than color schemes. [substeps] A few colors should be used to get your text visually interesting, like in describing a new meal or document.

Answer format: ending1/ending2/ending3/ending4