Hue Position
Red has a long-wavelength (~700nm). It is the first color the eye distinguishes and the last to fade in low light.
Undertones
Warm reds lean toward orange (scarlet, fire red). Cool reds lean toward blue-violet (burgundy, crimson).
Chroma Range
From soft & muted (earthy, wearable) to vivid & clear (bold, expressive) — 18 shades spanning the full spectrum.
Frequency
~700nm. The longest visible wavelength. Perceived as advancing toward the viewer.
Color History
A History Written in Red
Red is the oldest deliberately used color in human history. Ochre pigments used for body decoration and ritual date back over 100,000 years. Ancient Rome reserved the deepest reds — dyed with Kermes, harvested from scale insects — for emperors and generals. Vermilion from mercury sulfide lit up the frescoes of Pompeii. In China, red has been the color of luck, celebration, and protection for millennia, warding off evil spirits at weddings and New Year festivities. Medieval European churches used red to represent the blood of martyrs. The development of synthetic alizarin crimson in the 19th century democratized red, making it available beyond the wealthy.
Color Psychology
How Red Works on the Mind
Red raises heart rate and increases adrenaline. It is the only color clinically shown to increase physical reaction time. Red triggers urgency, appetite, and desire — which is why it dominates fast food logos, clearance signs, and hearts given on Valentine’s Day. At its highest expression, red becomes courage — the willingness to step into the arena knowing the stakes.
Energy & Frequency
The Vibration of Red
Energy Work & Chakra Correspondence
Red corresponds to the root chakra in most energy traditions — survival, vitality, and primal life force. It is the color of yang, of fire, of action. When depleted or fearful, red energy restores courage. When overactivated, it can manifest as aggression or impulsivity. Red is best worked with intentionally, as a catalyst.
Light, Wavelength & Physics
Red has the longest wavelength of any visible color — approximately 700 nanometers — which means it penetrates further and is perceived as advancing toward the viewer. This is why red objects appear closer than they are. Red is literally reaching toward you.
The Red Palette
Pre-Mixed Colors. Infinitely Mixable.
All shades are activated powder dyes sourced from Dharma Trading Company, organized by undertone (warm or cool) and Color Genre (the combination of value and chroma). Each swatch links directly to our dye shop. Can’t find exactly what you need? We can mix it.
