1) Blemished 2) Blotched 3) Blotched in coloring 4) Blotchy 5) Dappled 6) Discoloured 7) Freckled 8) Marked 9) Marked by blotches 10) Patterned 11) Reddened 12) Speckled 13) Spotted 14) Spotty 1) Blotchy 2) Colourful 3) Dappled 4) Diverse 5) Dotted 6) Marked 7) Multicoloured 8) Patterned 9) Speckled 
• (imp. & p. p.) of Mottle • (a.) Marked with spots of different colors; variegated; spotted; as, mottled wood.
Pattern of dark roundish blotches on a lighter background. Color definitions may vary by breed. Always check the breed standard for the definitive color description.
Bi-coloured coat consisting of dark patches on lighter background
Spotted or speckled with different tints or colors.
Any material that contains spots of different colors or shades.
Mot'tled adjective [ From Motley .] Marked with spots of different colors; variegated; spotted; as, mottled wood. 'The mottled meadows.' Drayton. 
Pattern of dark roundish blotches on a lighter background. Color definitions may vary by breed. Always check the breed standard for the definitive color description.
A defect in cheese appearance characterized by an irregular, splotchy color on the rind or interior.
plumage where a percentage of feathers are tipped with white; a discoloration of egg yolk caused by damage to the yolk membrane
spotted or blotched in coloring.
[Literary terms] having spots or patches of color