#837E32 · #9C7230
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 89/100 (analogous) · Distinguishable 27/100 (hard to tell apart) · Match 60/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Olive and Yellow are a clear pair (ΔE 18). They have closely related hues (20° apart) and their lightness is similar, so they read as two same-weight colours.
Olive text on Yellow: 1.03:1 (Fail); Yellow text on Olive: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #100D00 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 89/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 1.0:1, below the 4.5:1 minimum. Nudging one colour to #100D00 clears AA.
Their CIE76 ΔE is about 18 — a clear pair.
clearly different colours (ΔE 18).
Explore each color: Olive #837E32 · Yellow #9C7230 · Shades: Olive shades · Yellow shades · Contrast checker →