Colour tests

Testing updates to three existing colours and one possible addition.

BUTTER ON TOAST
NCS S 0515-Y10R → NCS S 0520-Y10R

SUN ALL DAY
NCS S 0560-Y10R → NCS S 0550-Y10R

POP IN THE POOL
NCS S 1050-B10G → NCS S 1555-B10G

Possible addition

DEEP END, NO SPLASHING
NCS S 4040-B10G

I’ll let it simmer for a bit.

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