#16210C · #211E05
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 94/100 (analogous) · Distinguishable 28/100 (hard to tell apart) · Match 83/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Green and Deep Yellow are very close (ΔE 8). They have distinctly different hues (38° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Green text on Deep Yellow: 1.00:1 (Fail); Deep Yellow text on Deep Green: 1.00:1 (Fail). Neither meets AA at body size — nudging one color to #7A8970 clears it.
Analogous — analogous — a recognised, balanced pairing (harmony 94/100). 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 #7A8970 clears AA.
Their CIE76 ΔE is about 8 — very close.
close but visibly different (ΔE 7.6).
Explore each color: Deep Green #16210C · Deep Yellow #211E05 · Shades: Deep Green shades · Deep Yellow shades · Contrast checker →