An aqueous latex composition comprising: polysaccharide particles, and a polymer dispersion or polymer emulsion; wherein the polysaccharide particles comprise at least one polysaccharide comprising: i) poly alpha-1,3-glucan; ii) poly alpha-1,3-1,6-glucan; iii) a poly alpha-1,3-glucan ester compound represented by Structure 1: wherein n is at least 6; each R is independently an -H or a first group comprising -CO-C x -COOH, wherein the -C x - portion of said first group comprises a chain of 2 to 6 carbon atoms; and the compound has a degree of substitution with the first group of 0.001 to 3; iv) a poly alpha-1,3-glucan ester compound represented by Structure 2: wherein (i) n is at least 6, (ii) each R is independently an H or an acyl group, and (iii) the compound has a degree of substitution of about 0.001 to about 3.0; v) a poly alpha-1,3-glucan ether compound represented by Structure 3: wherein n is at least 6, each R is independently an H or an organic group, and the compound has a degree of substitution of 0.001 to 3.0; vi) a poly alpha-1,3-glucan ether compound represented by Structure 4: wherein n is at least 6, each R is independently an H or a positively charged organic group, and the compound has a degree of substitution of 0.001 to 3.0; or a combination thereof. polysaccharide particles, and a polymer dispersion or polymer emulsion; wherein the polysaccharide particles comprise at least one polysaccharide comprising: i) poly alpha-1,3-glucan; ii) poly alpha-1,3-1,6-glucan; iii) a poly alpha-1,3-glucan ester compound represented by Structure 1: wherein n is at least 6; each R is independently an -H or a first group comprising -CO-C x -COOH, wherein the -C x - portion of said first group comprises a chain of 2 to 6 carbon atoms; and the compound has a degree of substitution with the first group of 0.001 to 3; iv) a poly alpha-1,3-glucan ester compound represented by Structure 2: wherein (i) n is at least 6, (ii) each R is independently an H or an acyl group, and (iii) the compound has a degree of substitution of about 0.001 to about 3.0; v) a poly alpha-1,3-glucan ether compound represented by Structure 3: wherein n is at least 6, each R is independently an H or an organic group, and the compound has a degree of substitution of 0.001 to 3.0; vi) a poly alpha-1,3-glucan ether compound represented by Structure 4: wherein n is at least 6, each R is independently an H or a positively charged organic group, and the compound has a degree of substitution of 0.001 to 3.0; or a combination thereof. i) poly alpha-1,3-glucan; ii) poly alpha-1,3-1,6-glucan; iii) a poly alpha-1,3-glucan ester compound represented by Structure 1: wherein n is at least 6; each R is independently an -H or a first group comprising -CO-C x -COOH, wherein the -C x - portion of said first group comprises a chain of 2 to 6 carbon atoms; and the compound has a degree of substitution with the first group of 0.001 to 3; n is at least 6; each R is independently an -H or a first group comprising -CO-C x -COOH, wherein the -C x - portion of said first group comprises a chain of 2 to 6 carbon atoms; and the compound has a degree of substitution with the first group of 0.001 to 3; iv) a poly alpha-1,3-glucan ester compound represented by Structure 2: wherein (i) n is at least 6, (ii) each R is independently an H or an acyl group, and (iii) the compound has a degree of substitution of about 0.001 to about 3.0; (i) n is at least 6, (ii) each R is independently an H or an acyl group, and (iii) the compound has a degree of substitution of about 0.001 to about 3.0; v) a poly alpha-1,3-glucan ether compound represented by Structure 3: wherein n is at least 6, each R is independently an H or an organic group, and the compound has a degree of substitution of 0.001 to 3.0; n is at least 6, each R is independently an H or an organic group, and the compound has a degree of substitution of 0.001 to 3.0; vi) a poly alpha-1,3-glucan ether compound represented by Structure 4: n is at least 6, each R is independently an H or a positively charged organic group, and the compound has a degree of substitution of 0.001 to 3.0;