Historical Blueprint Process (Cyanotype)
- Unexposed Paper White#ffffff
- Sensitized Ferric Ammonium Citrate Yellow#fffacd
- Initial UV Exposure Olive#6b8e23
- Washed Prussian Blue#003153
- Oxidized Deep Indigo#191970
Historical Blueprint Process (Cyanotype) has 5 colors, mostly blue and yellow. The lightest color is Unexposed Paper White (#FFFFFF), the darkest Oxidized Deep Indigo (#191970). Its strongest contrast pair is #191970 on #FFFFFF (14.8:1, WCAG AAA).
By lightness, this palette runs from #191970 (darkest) to #FFFFFF (lightest). The lightness range is wide.
Overall saturation feels vivid (higher chroma) — 80% of colors are vivid.
Some colors sit roughly opposite each other on the color wheel, giving the palette complementary contrast.
Overall temperature among swatches leans cool (3 of 5).
HEX codes (sorted): #003153, #191970, #6B8E23, #FFFACD, #FFFFFF
Color codes in palette
Historical Blueprint Process (Cyanotype) color codes HEX, RGB information in table
| Color | HEX | RGB | Name | Alternative name |
|---|---|---|---|---|
| #ffffff | #ffffff | RGB(255, 255, 255) | Unexposed Paper White | White |
| #fffacd | #fffacd | RGB(255, 250, 205) | Sensitized Ferric Ammonium Citrate Yellow | Lemonchiffon |
| #6b8e23 | #6b8e23 | RGB(107, 142, 35) | Initial UV Exposure Olive | Olivedrab |
| #003153 | #003153 | RGB(0, 49, 83) | Washed Prussian Blue | — |
| #191970 | #191970 | RGB(25, 25, 112) | Oxidized Deep Indigo | Midnightblue |
Color Palette Contrast
| Text Color | Background Color | Contrast Ratio |
|---|---|---|
#ffffff | #fffacd | 1.06 |
#003153 | #191970 | 1.1 |
Image palette Historical Blueprint Process (Cyanotype) png
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