#40E0D0 Turquoise
#40E0D0 is Turquoise.
#40E0D0
Turquoise
What are the RGB, HSL, OKLCH and CMYK values of #40E0D0?
- HEX
- #40E0D0
- RGB
- rgb(64, 224, 208)
- HSL
- hsl(174, 72%, 56%)
- OKLCH
- oklch(82.2% 0.131 185)
- CMYK
- 71, 0, 7, 12
#40E0D0 has a contrast ratio of 1.64:1 against white and 12.79:1 against black, so black is the better background for text in this color and dark text reads best on it.
Contrast checker
Text color (rows) on background (columns), scored against WCAG 2.2. White and near-black text on this color.
| Text ↓ / Bg → | #40E0D0 |
|---|---|
| #40E0D0 | Same color |
| White | 1.6Fail |
| Near-black | 10.7AAA |
AAA ≥ 7:1 · AA ≥ 4.5:1 body text· AA18 ≥ 3:1 large text (18pt, or 14pt bold) only
Text that works on each color
- Near-black on #40E0D0 · 10.7:1
Tints and shades of #40E0D0
Same hue and chroma in OKLCH, lighter to darker.
Colors that go with #40E0D0
Six harmony rules built from this color. Open any in the Studio.
- AnalogousNeighboring hues. Calm and cohesive, with little tension.
- ComplementaryOpposite hues. Maximum contrast — strong for accents.
- SplitA hue plus the two neighbors of its opposite. Contrast without the clash.
- TriadicThree evenly spaced hues. Vivid and balanced.
- TetradicFour hues in two complementary pairs. Rich, and easy to overuse.
- MonoOne hue across a range of lightness. Always harmonious.
Color blindness check
About 1 in 12 men and 1 in 200 women see color differently. Simulated with the Machado (2009) model.
No green cones — the most common form. Deep Sky Blue, #63B1E6 and Cornflower Blue, #8690EB become hard to tell apart — don't rely on color alone to separate them.
Export
Copy-paste code, or download the swatches.
:root {
--turquoise-1: #40E0D0; /* Turquoise */
}Palettes, gradients and meshes with #40E0D0
Items using this color or one perceptually close to it, closest first.