Exploring the Color #66371E

#66371E sits at 21° on the color wheel, placing it in the orange family of the warm half of the spectrum. With 55% saturation and 26% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 102, 55, 30 produces a 9.86:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #66371E is a distant relative of CSS brown — about 65 units away from #A52A2A. Designers reach for orange hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want weight, depth, and grounded contrast. On screen the warm cast tends to pair best with cool neutrals around 210°-230° to balance temperature.

Darkening Shades

Lightening Shades