34: Flowers
explain xkcd: It's 'cause you're dumb.
| Flowers |
 Title text: This is actually pencil on paper, just inverted and colored |
Explanation
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This explanation may be incomplete or incorrect. If you see a way to improve it, edit it! Thanks. |
Inverting colors is a method of image manipulation where colors are switched with their opposites; Black becomes white, red becomes green, orange becomes blue, and so on. To create this image, Randall tells us in the title text that he drew the outlines of the flowers and stems with pencil on white paper. He likely next scanned the drawing and used image editing software such as Photoshop to invert the black-on-white image, producing white lines on a black background. Next, he may have printed the image out and colored it before scanning it again or added the color using software.
See the article Inverted Colors Photo Effect With Photoshop for a detailed example of how this is done.
Transcript
- [A sketch of flowers, drawn in red and green]
Trivia
- Original quote from Randall: "Original drawing is pencil on graph paper. Bonus points if you can identify the flowers. 'cause I sure can't."
- Original guess on flower identification: "Trillium!"
- This is the thirtieth comic posted to livejournal. The previous was 30: Donner. The next was 29: Hitler.
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