Guess I'm going to have to check my Spit roundel colors.
1940 - 41 had a brighter red to 1941-45.
Summary here -------->
RAF Roundels
Color plus RGB value
a) Early Roundel Red - 188/32/7
b) Late Roundel Red - 152/32/6
c) Roundel Blue - 59/65/78
d) Roundel yellow - 255/169/24
e) White - 242/241/234
Types
A - Fuselage
A1 - Underwing
B - Top wing
C - Fuselage
C1 - Underwing (2 T.A.F. top wing - see below)
B - Topwing
Used
1940 - 1941
Colors: use a,c and d,
A, A1 and B roundels
Equal sized 3 color fin flash.
Codes - Medium Sea Grey
1941 - 1945
Colors: Use b,c and d,
C, C1 and B roundels
Later 3 color fin flash with narrow white band.
Codes - Sky type S
2nd Tactical Air Force
June 43 to early 45 - C fuselage , C1 lowerwing and B roundels, with sky fuselage band.
From Early 1945 - C fuselage , C1 lowerwing and C1 upperwing, NO sky fuselage band.
