Rubidium is pale, warm-toned shade of warm red. It is better contrasting with white. This color combines beautifully with cool cyan, cool magenta or cool green
| Inverse Color | #3a464b |
| Complementary Color | #b4c0c5 |
| Color Shade: | warm red (17.65° hue) |
| Color Temperature: | warm |
| Lightness: | 73.92% (better contrasting with white) |
If you're looking for a similar warm red shade, there are some better alternatives to Rubidium Color. The Del Rio color for instance is a darker and a bit more vibrant option, however this color has a mid red bias. Consider a darker and more saturated alternative called Quiet Refuge (#b69c97) for more energetic effect. Try Creamed Caramel as it also a bit more vibrant and energetic.
#b4c0c5 is the best complementary color to Rubidium. Cool cyan shades generally complement the warm red hues best as they are found on the opposite end of the color wheel. The most popular #c5b9b4 complementary color is Submarine, as it offers maximum contrast and grab the viewer's attention.
The analogous palette of cool red, warm red, and warm yellow colors offers a soft combination of similar warm shades. The analogous colors of Silver Rust are #c5b4b7 and #c5c1b4. Thus found on the left and right of #c5b9b4 on the color wheel with a 30° gap. Consider matching Cold Turkey and Ash colors as they work well with Rubidium.
The split-complementary Rubidium palette consists of #b4b7c5 and #b4c5c1 colors. They can be found 30° apart on either side of the complementary color (#b4c0c5). Try Cadet Blue and Powder Ash colors in combination with #c5b9b4, as they are not as contrasting as a complementary color, hence, giving more hue variety to make your design stand out.
The triadic palette of #c5b9b4 offers a combination of warm blue and cool green shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Rubidium. Thus Chatelle and Powder Ash giving maximum hue separation to use all three together.
The square color palette of Rubidium contains three additional colors. Thus, complementary Submarine, Green Spring, and Chatelle split by 90° on the color wheel. #c5b9b4 square combo is a palette of warm red, warm green, cool cyan and cool magenta shades that work together well.
The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Rubidium tetradic combo consists of cool cyan complementary color (#b4c0c5) and two others. The Powder Ash is positioned 120° clockwise from the primary color and Lily – 120° from the complementary Submarine. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #b4c5b9 and #c5b4c0.
In a RGB color space, hex #c5b9b4 is made of 35% red, 33% green and 32% blue. In a HSL mode Rubidium has a hue angle of 17.65°, a saturation of 12.78% and a lightness of 73.92%. In a CMYK space (used in printing only), hex #c5b9b4 is made of 0% cyan, 4.7% magenta, 6.66% yellow and 22.75% black ink.
| HEX | #c5b9b4 |
| RGB Decimal | rgb(197,185,180) |
| RGB Percentage | 35%, 33%, 32% |
| CMYK | 0, 4.7, 6.66, 22.75 |
| HSL | hsl(17.65,12.78%,73.92%) |
| HSV (or HSB) | hsv(17.65,8.63%,77.25%) |
| CIE-LAB | lab(75.9854,3.3715,4.0463) |
| XYZ | xyz(48.6131,49.8635,50.2425) |