Color charts in cool colors have the blue bases called cool undertones.
Cool grays, for instance, have a blued base or (undertone) rather than a warmer pewter cast. Cool Browns have a cocoa or blue-violet base.
Cool colors contain no orange, gold, bronze or mustard
Cool crimson red, spruce green, blue violet and deep amethyst purples contain blue bases rather than warm orange or golden yellow bases.
Winter colors have the coolest blue and violet dramatic undertones and contrasts, while Summer colors have softer blue, gray and violet casts.
Summer clothing includes soft denim, cool pastels, soft navy and blues, grays, mid tones, rose pink, lavenders, delicate florals often seen in Summertime.
Spring colors are warmer like dusty rose to bright coral pink, peaches and cream, tangerine, buttercup, milk chocolate, bright clear aqua and topaz blue
colors that traditionally hit the stores right after cold Winter months each year. They are clear fresh brighter colors in more relaxed styles after gray winter weather.
Autumn colors are warm and muted like fall: pumpkin, rust, pine green, dijon mustard, ochre, tan, ivory, complex browns and wines, fire red to plum wine red , warm turquoise and coral, copper and bronze colors we see in nature when the leaves turn in fall.