umber vs yellowy

umber

• Of a reddish brown colour, like that of the pigment. 

• To give a reddish-brown colour to. 

• A dusky brown African wading bird (Scopus umbretta) allied to the shoebill and herons; a hamerkop. 

• A grayling. 

• A brown clay, somewhat darker than ochre, which contains iron and manganese oxides. 

yellowy

• Somewhat yellow; yellowish.