Recognised as Colour
#BFB5B4
- #BFB5B4
- Grey
- Dark
- Nearest: Silver
#BFB5B4 is a grey with RGB values 191, 181, 180 and HSL 5°, 8%, 73%. 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
#BFB5B4#BFB5B4
HEX#BFB5B4
RGBrgb(191, 181, 180)
RGB (0–1)0.749, 0.7098, 0.7059
RGB percentages74.9%, 71%, 70.6%
HSLhsl(5.5, 7.9%, 72.7%)
HSV / HSBhsv(5.5, 5.8%, 74.9%)
CMYK0%, 5.2%, 5.8%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,563,892
CSS custom property--colour: #BFB5B4;
Brightness & contrast
Relative luminance0.47419WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#B7B7B7
Inverted#404A4B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B4BEBF
Analogous#BFB4B9, #BFBBB4
Triadic#B4BFB5, #B5B4BF
Split complementary#B4BFBB, #B4B9BF
Tetradic#B9BFB4, #B4BEBF, #BBB4BF
Tints, shades & saturation
Channel breakdown
R191
G181
B180
Red191 (74.9%)
Green181 (71%)
Blue180 (70.6%)
Hue5.45°
Saturation (HSL)7.91%
Lightness72.75%
Dominant channelRed
Hex per channelR BF · G B5 · B B4
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Also reads as
BFB5B4 (chemical formula)
- Formula
- 127.098 g/mol
- 11 atoms
BFB5B4 has a molar mass of 127.098 g/mol, made up of 11 atoms across 2 elements: 10 × B, 1 × F.
Molar mass
Molar mass127.098 g/mol
Total atoms per molecule11
Distinct elements2
Mass of one molecule2.1105119 × 10^-22 g
Molecules per gram4.7381869 × 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
B85.1%
F14.9%
Boron (B × 10)108.1 g/mol, 85.052%
Fluorine (F)18.998 g/mol, 14.948%
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