Recognised as Colour
#B5B8BA
- #B5B8BA
- Grey
- Dark
- Nearest: Silver
#B5B8BA is a grey with RGB values 181, 184, 186 and HSL 204°, 3%, 72%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Silver.
Colour values
#B5B8BA#B5B8BA
HEX#B5B8BA
RGBrgb(181, 184, 186)
RGB (0–1)0.7098, 0.7216, 0.7294
RGB percentages71%, 72.2%, 72.9%
HSLhsl(204, 3.5%, 72%)
HSV / HSBhsv(204, 2.7%, 72.9%)
CMYK2.7%, 1.1%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,909,306
CSS custom property--colour: #B5B8BA;
Brightness & contrast
Relative luminance0.4765WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.53:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.53:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#4A4745
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.53:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BAB7B5
Analogous#B5BAB9, #B5B5BA
Triadic#BAB5B8, #B8BAB5
Split complementary#BAB5B5, #BAB9B5
Tetradic#B9B5BA, #BAB7B5, #B5BAB5
Tints, shades & saturation
Channel breakdown
R181
G184
B186
Red181 (71%)
Green184 (72.2%)
Blue186 (72.9%)
Hue204°
Saturation (HSL)3.5%
Lightness71.96%
Dominant channelBlue
Hex per channelR B5 · G B8 · B BA
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Also reads as
B5B8Ba (chemical formula)
- Formula
- 277.86 g/mol
- 14 atoms
B5B8Ba has a molar mass of 277.86 g/mol, made up of 14 atoms across 2 elements: 13 × B, 1 × Ba.
Molar mass
Molar mass277.86 g/mol
Total atoms per molecule14
Distinct elements2
Mass of one molecule4.6139739 × 10^-22 g
Molecules per gram2.1673291 × 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
B50.6%
Ba49.4%
Boron (B × 13)140.53 g/mol, 50.576%
Barium (Ba)137.33 g/mol, 49.424%
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