Match Ionian
Sherwin-Williams Ionian is a deep, low-reflectance shade, cool in character with an LRV of 20. The matches below are the closest equivalents available across every brand on Pontata, ranked by ΔE — a perceptual color difference score. A ΔE under 3 is subtle; under 10 is noticeable but harmonious; above 25 means genuinely different colors.
View full Ionian color page →
Ionian
6754#368976LRV 20Cool
Closest matches across every brand
One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.
Ionian
RAL 740-4
EffectRAL 740-4
RAL 740-4 · LRV 17
Ionian reads slightly lighter
Ionian
Mint turquoise
ClassicMint turquoise
RAL 6033 · LRV 23
Nearly identical in tone
Ionian
Aquamarine - Deep
Aquamarine - Deep
198 · LRV 33
Aquamarine - Deep reads noticeably lighter
Ionian
Tidepool Wonder
Tidepool Wonder
M333 · LRV 27
Tidepool Wonder reads slightly lighter