#1B2008 · #251C04
Four independent scores (read the one that fits your goal): Readability 0/100 (fail) · Harmony 100/100 (analogous) · Distinguishable 20/100 (hard to tell apart) · Match 82/100 (close). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Deep Lime and Deep Yellow are very close (ΔE 8). They have distinctly different hues (29° apart) and their lightness is similar, so they read as two same-weight colours.
Deep Lime text on Deep Yellow: 1.01:1 (Fail); Deep Yellow text on Deep Lime: 1.01:1 (Fail). Neither meets AA at body size — nudging one color to #80886C clears it.
Analogous — analogous — 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 1.0:1, below the 4.5:1 minimum. Nudging one colour to #80886C clears AA.
Their CIE76 ΔE is about 8 — very close.
close but visibly different (ΔE 8.1).
Explore each color: Deep Lime #1B2008 · Deep Yellow #251C04 · Shades: Deep Lime shades · Deep Yellow shades · Contrast checker →