#291A00 · #300735
Four independent scores (read the one that fits your goal): Readability 1/100 (fail) · Harmony 69/100 (triadic (soft)) · Distinguishable 43/100 (somewhat similar) · Match 6/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Vivid Yellow and Deep Purple are very different (ΔE 43). They have distinctly different hues (105° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Vivid Yellow text on Deep Purple: 1.03:1 (Fail); Deep Purple text on Deep Vivid Yellow: 1.03:1 (Fail). Neither meets AA at body size — nudging one color to #927F62 clears it.
Triadic (soft) — workable but not a textbook harmony (harmony 69/100). 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 #927F62 clears AA.
Their CIE76 ΔE is about 43 — very different.
clearly different colours (ΔE 43).
Explore each color: Deep Vivid Yellow #291A00 · Deep Purple #300735 · Shades: Deep Vivid Yellow shades · Deep Purple shades · Contrast checker →