I got these figures from the National Geographic site, so they should be pretty good.
Americas
US Blacks 77% Black, 21% White, 2% Indian
Mexican Americans 56% White, 38% Amerindian, 4% Black
Bermudan Blacks 45% White, 51% Black, 4% Amerindian
Puerto Ricans are 62% White, 27% Black, 11% Amerindian
Mexican Indians 83% Indian, 17% White
Lima Peruvians 68% Indian, 28% White, 2% Black
Highland Peruvian 95% Amerindian, 5% White
Europeans
British 100% White
Danes 100% White
Germans 100% White
Spanish 100% White
Portuguese 100% White
Tuscan Italians 100% White
Greeks 100% White
Romanians 98% White, 2% Asian
Bulgarians 98% White 2% Asian
Finns 93% White, 7% Asian
Russians 96% White 4% Asian
Arabs
Lebanese 98% White 2% Black
Kuwaiti 90% White, 8% Black, 2% Asian
Egyptians 86% White 14% Black
Tunisians 79% White, 19% Black, 2% Asian
West Asians
Dagestanis 96% White, 4% Asian
Georgians 100% White
Central Asians
Tatars 84% White, 16% Asian
Iranians 95% White, 5% Asian
Tajiks 90% White, 10% Asian
South Asians
North India 73% White, 27% Asian
South India 65% White, 35% Asian
West India 74% White, 26% Asian
East India 51% Asian, 47% White, 2% Oceanian
East Asians
Altaians 57% Asian, 43% White
Mongolian 80% Asian, 18% White
Japanese 75% Yayoi, 25% Ainu
Oceanians
Melanesians 88% Oceanian, 12% Asian
Vanuatu 78% Oceanian, 22% Asian
Papuans 91% Oceanian, 9% Asian
Africans
Kenyans 98% Black 2% White
Madagascar 61% Black 35% Asian, 2% White
Khoisan 52% Khoisan, 48% Black