#2D652F · #863C39
Four independent scores (read the one that fits your goal): Readability 2/100 (fail) · Harmony 100/100 (triadic) · Distinguishable 62/100 (somewhat similar) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Green and Chestnut are very different (ΔE 63). They have distinctly different hues (120° apart) and their lightness is similar, so they read as two same-weight colours.
Dark Green text on Chestnut: 1.11:1 (Fail); Chestnut text on Dark Green: 1.11:1 (Fail). Neither meets AA at body size — nudging one color to #99D598 clears it.
Triadic — triadic — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.1:1, below the 4.5:1 minimum. Nudging one colour to #99D598 clears AA.
Their CIE76 ΔE is about 63 — very different.
clearly different colours (ΔE 63).
Explore each color: Dark Green #2D652F · Chestnut #863C39 · Shades: Dark Green shades · Chestnut shades · Contrast checker →