Blood-red and Vermilion

Blood-red adjective - Of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies.

Vermilion and blood-red are semantically related. In some cases you can use "Vermilion" instead an adjective phrase "Blood-red".

Vermilion adjective - Of a vivid red to reddish-orange color.

Blood-red and vermilion are semantically related. You can use "Blood-red" instead an adjective "Vermilion".