C1 - Fair with Neutral Undertones C2 - Light Cool with Peach Undertones C2.5 - Light with Neutral Undertones C2.7 - Golden Light Medium C3 - Light-Medium Cool with Peach Undertones C3.5 - Medium with Neutral Undertones C3.7 - Medium Warm with Golden Undertones C4 - Medium-Tan with Neutral Undertones C4.5 - Tan Neutral with Soft Olive Undertones C4.7 - Tan Warm with Golden Undertones C5 - Tan-Deep Neutral with Soft Olive Undertones C5.7 - Deep Warm with Golden Undertones C6 - Deep Neutral with Soft Olive Undertones C6.7 - Rich Warm with Golden Undertones C7 - Rich Neutral with Soft Olive Undertones C7.5 - Rich Deep with Red Undertones C8 - Rich Deep with Neutral Undertones C9 - Rich Deep Warm with Golden Undertones