Grey River Rock is pale, cool-toned shade of warm cyan. It is better contrasting with white. This color combines beautifully with mid red, cool yellow or cool magenta
| Inverse Color | #665e5e |
| Complementary Color | #a19999 |
| Color Shade: | warm cyan (180° hue) |
| Color Temperature: | cool |
| Lightness: | 61.57% (better contrasting with white) |
If you're looking for a similar warm cyan shade, there are some better alternatives to Grey River Rock Color. The Miracle Bay color for instance is a darker and a bit more vibrant option, however this color has a green cyan bias. Consider a darker and more saturated alternative called Green Granite (#7c9793) for more energetic effect. Try Subtle Turquoise as it also a bit more vibrant and energetic.
#a19999 is the best complementary color to Grey River Rock. Mid red shades generally complement the warm cyan hues best as they are found on the opposite end of the color wheel. The most popular #99a1a1 complementary color is Dusty Gray, as it offers maximum contrast and grab the viewer's attention.
The analogous palette of green cyan, warm cyan, and cool cyan colors offers a soft combination of similar cool shades. The analogous colors of Edward are #99a19d and #999da1. Thus found on the left and right of #99a1a1 on the color wheel with a 30° gap. Consider matching Pewter and Manatee colors as they work well with Grey River Rock.
The split-complementary Grey River Rock palette consists of #a19d99 and #a1999d colors. They can be found 30° apart on either side of the complementary color (#a19999). Try Dawn and Dusty Gray colors in combination with #99a1a1, 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 #99a1a1 offers a combination of warm yellow and cool magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Grey River Rock. Thus Delta and Shady Lady giving maximum hue separation to use all three together.
The square color palette of Grey River Rock contains three additional colors. Thus, complementary Dusty Gray, Mountain Mist, and Lemon Grass split by 90° on the color wheel. #99a1a1 square combo is a palette of warm cyan, violet, mid red and cool yellow shades that work together well.
The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Grey River Rock tetradic combo consists of mid red complementary color (#a19999) and two others. The Shady Lady is positioned 120° clockwise from the primary color and Mantle – 120° from the complementary Dusty Gray. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #a199a1 and #99a199.
In a RGB color space, hex #99a1a1 is made of 32% red, 34% green and 34% blue. In a HSL mode Grey River Rock has a hue angle of 180°, a saturation of 4.08% and a lightness of 61.57%. In a CMYK space (used in printing only), hex #99a1a1 is made of 3.14% cyan, 0% magenta, 0% yellow and 36.86% black ink.
| HEX | #99a1a1 |
| RGB Decimal | rgb(153,161,161) |
| RGB Percentage | 32%, 34%, 34% |
| CMYK | 3.14, 0, 0, 36.86 |
| HSL | hsl(180,4.08%,61.57%) |
| HSV (or HSB) | hsv(180,4.97%,63.14%) |
| CIE-LAB | lab(65.6202,-2.839,-0.9938) |
| XYZ | xyz(32.3148,34.8353,38.7389) |