Recognised as Colour
#B39B9B
- #B39B9B
- Red
- Dark
- Nearest: Rosy brown
#B39B9B is a red with RGB values 179, 155, 155 and HSL 0°, 14%, 65%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#B39B9B#B39B9B
HEX#B39B9B
RGBrgb(179, 155, 155)
RGB (0–1)0.702, 0.6078, 0.6078
RGB percentages70.2%, 60.8%, 60.8%
HSLhsl(0, 13.6%, 65.5%)
HSV / HSBhsv(0, 13.4%, 70.2%)
CMYK0%, 13.4%, 13.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,770,779
CSS custom property--colour: #B39B9B;
Brightness & contrast
Relative luminance0.35393WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.08:1
Contrast with white2.6:1WCAG normal text: Fail
Contrast with black8.08:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#4C6464
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.6:1WCAG large text: Fail
Contrast with black, large text8.08:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9BB3B3
Analogous#B39BA7, #B3A79B
Triadic#9BB39B, #9B9BB3
Split complementary#9BB3A7, #9BA7B3
Tetradic#A7B39B, #9BB3B3, #A79BB3
Tints, shades & saturation
Channel breakdown
R179
G155
B155
Red179 (70.2%)
Green155 (60.8%)
Blue155 (60.8%)
Hue0°
Saturation (HSL)13.64%
Lightness65.49%
Dominant channelRed
Hex per channelR B3 · G 9B · B 9B
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Also reads as
B39B9B (chemical formula)
- Formula
- 529.69 g/mol
- 49 atoms
B39B9B has a molar mass of 529.69 g/mol, made up of 49 atoms across 1 element: 49 × B.
Molar mass
Molar mass529.69 g/mol
Total atoms per molecule49
Distinct elements1
Mass of one molecule8.7957094 × 10^-22 g
Molecules per gram1.136918 × 10^21
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 49)529.69 g/mol, 100%
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