These are various colourisations of Olga that I have done over the years. Enjoy! Posted in honour of the 124th anniversary of her birth.
Above: Olga as a baby with her parents, year 1896. Colourised in 2013.
Above: Olga as a baby with her mother Alexandra, year 1896. Colourised in 2015.
Above: Olga with a nanny. Colourised in 2016.
Above: Olga with her newborn sister Tatiana and mother Alexandra, year 1897. Colourised in 2013.
Above: Olga, year 1897. Colourised in 2015.
Above: Olga and Tatiana, year 1898. Colourised in 2016.
Above: Olga, Tatiana and Maria, year 1900. Colourised in 2016.
Above: Olga, year 1901. Colourised in 2019. Original courtesy of TatianaZ on Flickr.
Above: Olga and Tatiana with their cousin Ella, year 1901. Colourised in 2015.
Above: Olga, Tatiana and Ella, year 1901. Colourised in 2017.
Above: Olga, Tatiana and Maria, year 1901. Colourised in 2017.
Above: Olga, Tatiana and Maria. Colourised in 2015.
Above: Olga and sisters with baby Alexei, year 1904. Colourised in 2013.
Above: Olga with siblings, year 1904. Colourised in 2013.
Above: Olga in court dress and kokoshnik, year 1904. Colourised in 2015.
Above: Olga with sisters, year 1905. Colourised in 2015.
Above: Olga, year 1906. Colourised in 2013.
Above: Olga with siblings, year 1906. Colourised in 2013.
Above: Another colourisation of the same photo. Colourised in 2015.
Above: Another colourisation of the same photo. Colourised in 2015.
Above: Olga, year 1906. Colourised in 2019. Original courtesy of TatianaZ on Flickr.
Above: Olga with family, year 1906. Colourised in 2013.
Above: Olga, year 1910. Colourised in 2017.
Above: Another version. Colourised in 2016.
Above: Olga and siblings, year 1910. Colourised in 2013.
Above: Olga and Tatiana. Colourised in 2013.
Above: Olga. Colourised in 2012 or 2013.
Above: Olga and Alexei in their mother's Mauve Boudoir. Colourised in 2019.
Above: Olga, year 1911. Colourised in 2016.
Above: Olga and siblings, year 1911. Colourised in 2017.
Above: Olga and siblings, year 1911. Colourised in 2015.
Above: Olga with sisters on their family yacht the Standart. Colourised in 2017.
Above: Olga and siblings. Colourised in 2017.
Above: Olga on her 16th birthday, year 1911. Colourised in 2013.
Above: Olga in her uniform of the 3rd Elizavetgradski Hussars regiment, year 1911. Colourised in 2017. Original courtesy of TatianaZ on Flickr.
Above: Olga and Tatiana in their regiment uniforms, year 1911. Colourised in 2017. Original courtesy of TatianaZ on Flickr.
Above: Olga and Tatiana on the Standart. Colourised in 2017.
Above: Olga on the Standart. Colourised in 2015.
Above: Olga in court dress and kokoshnik, year 1913. Colourised in 2015.
Above: Olga in court dress and kokoshnik, year 1913. Colourised in 2016.
Above: Olga and Tatiana in court dresses and kokoshniki, year 1913. Colourised in 2014 or 2015.
Above: Olga and Tatiana, year 1913. Colourised in 2017.
Above: Olga and Tatiana in their uniforms, year 1913. Colourised in 2017.
Above: Olga and sisters on a mushroom-picking trip in a forest, year 1913. Colourised in 2013.
Above: Olga, year 1914. Colourised in 2015.
Above: Lower quality version. Colourised in 2017.
Above: Olga, year 1914. Colourised in 2017.
Above: Olga, year 1914. Colourised in 2016.
Above: Olga, year 1914. Colourised in 2016.
Above: Olga, year 1914. Colourised in 2016.
Above: Olga, year 1914. Colourised in 2015.
Above: Olga and sisters, year 1914. Colourised in 2017.
Above: Olga and sisters, year 1914. Colourised in 2013.
Above: Olga with sisters, year 1914. Colourised in 2014.
Above: Olga with her sisters, year 1914. Colourised in 2014.
Above: Olga, year 1914. Colourised in 2014.
Above: Olga with family and friends having tea. Colourised in 2016.
Above: Olga with her mother Alexandra and sister Tatiana as nurses during World War One. Colourised in 2018. Original courtesy of TatianaZ on Flickr.
Above: Olga and Tatiana with Alexandra as nurses. Colourised in 2013.
Above: Olga with her friend Rita Khitrovo, year 1916. Colourised in 2017.
Above: Olga and siblings with their heads shaved after their bout with measles and other illnesses, year 1917. Colourised in 2016.
Above: The last photo ever taken of Olga and Alexei, onboard the Rus steamer that took them to Ekaterinburg in May 1918, two months before their deaths. Colourised in 2015.