Index - R
| Rad | Clay.Size, Clay |
| rad | Clay.Size, Clay |
| Radial | Clay.Gradient, Clay |
| radialGradient | Clay.Gradient, Clay |
| radiogroup | Clay.Attributes, Clay |
| Ramp | Clay.Gradient, Clay |
| readOnly | Clay.Dynamic, Clay |
| readonly | Clay.Attributes, Clay |
| readWrite | Clay.Dynamic, Clay |
| rect | Clay.Display, Clay |
| red | Clay.Color, Clay |
| Refinement | |
| 1 (Type/Class) | Clay.Selector, Clay |
| 2 (Data Constructor) | Clay.Selector |
| Rel | Clay.Size, Clay |
| rel | Clay.Attributes, Clay |
| relative | Clay.Display, Clay |
| render | Clay.Render, Clay |
| renderWith | Clay.Render, Clay |
| repeat | Clay.Background, Clay |
| repeatingLinearGradient | Clay.Gradient, Clay |
| repeatingRadialGradient | Clay.Gradient, Clay |
| repeatX | Clay.Background, Clay |
| repeatY | Clay.Background, Clay |
| Required | |
| 1 (Type/Class) | Clay.Font, Clay |
| 2 (Data Constructor) | Clay.Font, Clay |
| required | Clay.Attributes, Clay |
| Resolution | Clay.Media |
| resolution | Clay.Media |
| reversed | Clay.Attributes, Clay |
| rgb | Clay.Color, Clay |
| Rgba | Clay.Color, Clay |
| rgba | Clay.Color, Clay |
| ridge | Clay.Border, Clay |
| right | Clay.Geometry, Clay |
| Root | Clay.Stylesheet |
| root | Clay.Stylesheet, Clay |
| rosybrown | Clay.Color, Clay |
| rotate | Clay.Transform, Clay |
| rotate3d | Clay.Transform, Clay |
| rotateX | Clay.Transform, Clay |
| rotateY | Clay.Transform, Clay |
| rotateZ | Clay.Transform, Clay |
| round | Clay.Background, Clay |
| rows | Clay.Attributes, Clay |
| rowspan | Clay.Attributes, Clay |
| royalblue | Clay.Color, Clay |
| rp | Clay.Elements, Clay |
| rt | Clay.Elements, Clay |
| rtl | Clay.Text, Clay |
| ruby | Clay.Elements, Clay |
| Rule | Clay.Stylesheet |
| runIn | Clay.Display, Clay |