Caicos Turquoise (Behr MQ4-21)

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Caicos Turquoise (Behr MQ4-21) is a deep, cool blue from Behr: LRV 37.6, so it reflects about 38 percent of the light that hits it.
Colors that go with Caicos Turquoise
Four Behr colors picked for Caicos Turquoise by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Caicos Turquoise, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Aquarium | SW 6767 | 32 | 5.0 | clearly different |
| Benjamin Moore | Poolside Blue | 2048-40 | 39.9 | 1.3 | very close |
| Valspar | Turquoise Tint | 5006-10B | 37 | 1.3 | very close |
| PPG Paints | Montego Bay | 1233-6 | 40 | 2.6 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Caicos Turquoise (LRV 37.6 (estimated)) by LRV.
Lighter than Caicos Turquoise
Darker than Caicos Turquoise
Color data
| Brand | Behr |
|---|---|
| Color code | MQ4-21 |
| Hex | #26B7B5 |
| RGB | 38, 183, 181 |
| HSL | 179°, 66%, 43% |
| LRV (light reflectance value) | 37.6 (estimated from the hex) |
| Lab L*, a*, b* | 67.7, -36.1, -9.5 |
| Undertone | Cool |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Caicos Turquoise (Behr MQ4-21), published as #26B7B5
#00ADB3
#4FC1B5
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Caicos Turquoise (Behr MQ4-21)?
- Caicos Turquoise has an LRV of 37.6 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Caicos Turquoise is a deep color.
- What is the closest match to Caicos Turquoise in another brand?
- Poolside Blue (BM 2048-40) from Benjamin Moore, at a deltaE of 1.3 (very close).
- Is Caicos Turquoise warm or cool?
- Behr lists Caicos Turquoise as cool, with a Cool undertone. Its Lab b* value is -9.5; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.