# Color - Source proto: `rb/api/color.proto` Message type: color. Represents a color in the RGB color space. Each color component is an unsigned 32-bit integer value in the range [0, 255]. | Field | Type | Label | Description | | ----- | ---- | ----- | ----------- | | red | [uint32](../scalar-value-types.md#scalar-value-types) | | The red component of the color, specified as a value in the range [0, 255]. | | green | [uint32](../scalar-value-types.md#scalar-value-types) | | The green component of the color, specified as a value in the range [0, 255]. | | blue | [uint32](../scalar-value-types.md#scalar-value-types) | | The blue component of the color, specified as a value in the range [0, 255]. |