The mare kinda looks black bey to me since she sheds out redish.
My old mare was brown and produced a buckskin with a palomino sire.
She's always changing shades
3 days old 3 day 6.jpg
2 months and she got alot more sooty 2 month 24.jpg
At 4 months she got some golden tones 4 month 10.jpg
This is her as a yearling and still every spring she gets a bit darker around the eyes and sotty highlights 1 yr 15_NEW.jpg