Recognised as Colour
#BDBBB5
- #BDBBB5
- Grey
- Dark
- Nearest: Silver
#BDBBB5 is a grey with RGB values 189, 187, 181 and HSL 45°, 6%, 73%. It is a dark colour, so black text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Silver.
Colour values
#BDBBB5#BDBBB5
HEX#BDBBB5
RGBrgb(189, 187, 181)
RGB (0–1)0.7412, 0.7333, 0.7098
RGB percentages74.1%, 73.3%, 71%
HSLhsl(45, 5.7%, 72.5%)
HSV / HSBhsv(45, 4.2%, 74.1%)
CMYK0%, 1.1%, 4.2%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,434,357
CSS custom property--colour: #BDBBB5;
Brightness & contrast
Relative luminance0.49696WCAG 2.x, 0 is black and 1 is white
Perceived brightness186.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.94:1
Contrast with white1.92:1WCAG normal text: Fail
Contrast with black10.94:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#42444A
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.92:1WCAG large text: Fail
Contrast with black, large text10.94:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B5B7BD
Analogous#BDB7B5, #BBBDB5
Triadic#B5BDBB, #BBB5BD
Split complementary#B5BBBD, #B7B5BD
Tetradic#B5BDB7, #B5B7BD, #BDB5BB
Tints, shades & saturation
Channel breakdown
R189
G187
B181
Red189 (74.1%)
Green187 (73.3%)
Blue181 (71%)
Hue45°
Saturation (HSL)5.71%
Lightness72.55%
Dominant channelRed
Hex per channelR BD · G BB · B B5
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Also reads as
BDbBB5 (chemical formula)
- Formula
- 343.67 g/mol
- 8 atoms
BDbBB5 has a molar mass of 343.67 g/mol, made up of 8 atoms across 2 elements: 7 × B, 1 × Db.
Molar mass
Molar mass343.67 g/mol
Total atoms per molecule8
Distinct elements2
Mass of one molecule5.7067746 × 10^-22 g
Molecules per gram1.7523033 × 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
B22%
Db78%
Boron (B × 7)75.67 g/mol, 22.018%
Dubnium (Db)268 g/mol, 77.982%
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