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Running Number
6,786,426
HEX
#678D7A
RGB
103, 141, 122
HSL
150°,16%,48%
HSV
150°,27%,55%
CMYK
27%,0%,13%,45%
Brightness
50%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#678D7A sits at 150° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 16% saturation and 48% lightness, it reads as a heavily muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 103, 141, 122 produces a 5.67:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #678D7A is a clear variant of CSS gray — about 29 units away from #808080. Designers reach for spring green hues at this saturation when the brief calls for restraint and atmosphere, 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 #678D7A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#678d7a";💡 Click any tab to see how to use #678d7a in different programming languages