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💡 Click on any color value below to copy it to clipboard
Running Number
4,241,080
HEX
#40B6B8
RGB
64, 182, 184
HSL
181°,48%,49%
HSV
181°,65%,72%
CMYK
65%,1%,0%,28%
Brightness
58%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#40B6B8 sits at 181° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 48% saturation and 49% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 64, 182, 184 produces a 8.60:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #40B6B8 is a clear variant of CSS turquoise — about 48 units away from #40E0D0. Designers reach for cyan hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #40B6B8 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#40b6b8";💡 Click any tab to see how to use #40b6b8 in different programming languages