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Running Number
8,882,779
HEX
#878A5B
RGB
135, 138, 91
HSL
64°,21%,45%
HSV
64°,34%,54%
CMYK
2%,0%,34%,46%
Brightness
52%
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
#878A5B sits at 64° on the color wheel, placing it in the yellow family of the warm half of the spectrum. With 21% saturation and 45% lightness, it reads as a softly muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 135, 138, 91 produces a 5.82:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #878A5B is a clear variant of CSS gray — about 39 units away from #808080. Designers reach for yellow 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 warm cast tends to pair best with cool neutrals around 210°-230° to balance temperature.
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 #878A5B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#878a5b";💡 Click any tab to see how to use #878a5b in different programming languages