Here is a list of agouti colours, maybe you'll be able to look through and take a guess?
Agouti Agouti (Chestnut, Copper, Castor, ...) Body color will appear a blend of black and tan. Hair shaft to have alternating bands of slate with any shade of tan and tipped with black. Ears laced with black; nostrils, nape of neck, eye circles and inside of ears to be tan to creamy white. The belly and underside of chin and tail to be pale cream or white with or without a darker under color. Chest will have a mixture of body color and cream which merges into the main body color in front of the shoulders. EYES: Brown.
Genetically: A- B- C- D- E-
Opal (Blue Agouti) Body color will appear a blend of blue and tan. Hair shaft to have alternating bands of slate with any shade of tan and tipped with blue. Ears laced with blue; nostrils, nape of neck, eye circles and inside of ears to be tan to creamy white. The belly and underside of chin and tail to be pale cream or white with or without a darker under color. Chest will have a mixture of body color and cream which merges into the main body color in front of the shoulders. EYES: Blue grey.
Genetically: A- B- C- dd E-
Chocolate Agouti Body color will appear a blend of chocolate and tan. Hair shaft to have alternating bands of slate with any shade of tan and tipped with chocolate. Ears laced with chocolate; nostrils, nape of neck, eye circles and inside of ears to be tan to creamy white. The belly and underside of chin and tail to be pale cream or white with or without a darker under color. Chest will have a mixture of body color and cream which merges into the main body color in front of the shoulders. EYES: Brown.
Genetically: A- bb C- D- E-
Lynx (Lilac Agouti) Body color will appear a blend of lilac and tan. Hair shaft to have alternating bands of slate with any shade of tan and tipped with lilac. Ears laced with lilac; nostrils, nape of neck, eye circles and inside of ears to be tan to creamy white. The belly and underside of chin and tail to be pale cream or white with or without a darker under color. Chest will have a mixture of body color and cream which merges into the main body color in front of the shoulders. EYES: Blue grey.
Genetically: A- bb C- dd E-
Chinchilla (Silver Agouti) Body color will appear a sparkling blend of black and grey. Hair shaft to have alternating bands of slate with any shade of gray and tipped with black. Ears laced with black; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and belly color which merges into the main body color in front of the shoulders. EYES: Brown or blue grey.
Genetically: A- B- c[sup]chd[/sup]-D- E-
Squirrel (Blue Silver Agouti) Body color will appear a sparkling blend of blue and grey. Hair shaft to have alternating bands of slate with any shade of gray and tipped with blue. Ears laced with blue; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and belly color which merges into the main body color in front of the shoulders. EYES: Blue grey.
Genetically: A- B- c[sup]chd[/sup]- dd E-
Chocolate Chinchilla (Chocolate Silver Agouti) Body color will appear a sparkling blend of chocolate and dove. Hair shaft to have alternating bands of dove with any shade of gray and tipped with chocolate. Ears laced with chocolate; nostrils, nape of neck, eye circles and inside of ears to be dove to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and belly color which merges into the main body color in front of the shoulders. EYES: Brown or blue grey.
Genetically: A- bb c[sup]chd[/sup]- D- E-
Lilac Squirrel (Lilac Silver Agouti) Body color will appear a sparkling blend of lilac and dove. Hair shaft to have alternating bands of dove with any shade of gray and tipped with lilac. Ears laced with lilac; nostrils, nape of neck, eye circles and inside of ears to be dove to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and belly color which merges into the main body color in front of the shoulders. EYES: Blue grey.*
Genetically: A- bb c[sup]chd[/sup]- dd E-
Seal Agouti Surface color to be dark sable over a white to pearl intermediate band with undercolor matching surface color as closely as possible. Ears laced with dark sable; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and silver which merges into the main body color in front of the shoulders. EYES: Brown.
Genetically: A- -- c[sup]chl[/sup]c[sup]chl[/sup] D- E-
Blue Seal Agouti Surface color to be dark smoke pearl over a white to pearl intermediate band with under color matching surface color as closely as possible. Ears laced with smoke pearl; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and silver which merges into the main body color in front of the shoulders. EYES: Blue grey.
Genetically: A- -- c[sup]chl[/sup]c[sup]chl[/sup] dd E-
Sable Agouti Surface color to be sable over a white to pearl intermediate band with under color matching surface color as closely as possible. Ears laced with sable; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and silver which merges into the main body color in front of the shoulders. EYES: Brown.
Genetically: A- -- c[sup]chl[/sup]- D- E-
Smoke Pearl Agouti Surface color to be smoke pearl over a white to pearl intermediate band with under color matching surface color as closely as possible. Ears laced with smoke pearl; nostrils, nape of neck, eye circles and inside of ears to be silver to white. The belly and underside of chin and tail to be pale silver or white with or without a darker under color. Chest will have a mixture of body color and silver which merges into the main body color in front of the shoulders. EYES: Blue grey.
Genetically: A- -- c[sup]chl[/sup]- dd E-