Based on your client’s physical traits, you can identify which tbh – true beautiful honest colour worlds would suit them best.
Cool – Skin tones appear pink/blue in fair skin tones, appears purple/red in medium and deep skin tones. Eyes are usually blue, green, pale brown or grey.
Warm – Skin tones appear yellow in fair/light-medium skin tones, appears peachy or golden in medium-dark/deep skin tones. Easy are usually, brown, amber or hazel.
Neutral – Show a mix of both warm and cool skin tones, olive tones are usually seen.
Once you've identified a client's skin tone, also identify the existing level(s) of your client’s hair by referring to the chart (the first column reference to the level of depth, the second the undertone). As tbh – true beautiful honest is a multidimensional colour it is important to consider the impact of the hair’s natural undertones and how it may impact the tonal result and shade selection.
As a rule of thumb, natural shades will support up to 100% multidimensional coverage. Cool shades will help to counteract the underlying warmth, so you can achieve a neutral colour result even on darker bases, or an extra smoky touch on lighter bases. Warm shades will further enhance the natural hair base and are designed to further accentuate warm results.