Possible Clues:

• Red for footballer makes him a bit sick
• What one has to go on when out of sorts
• Sick of getting the red card?
• Blue or green?
• Not well - looking pale
• Well, one is not - not on the shade like this
• Blue and not feeling well
• Not in the pink?
• Informally unwell, looking pallid or somewhat indecent
• Sick of feminine bias