Recognised as Colour
#B7BB91
- #B7BB91
- Yellow
- Dark
- Nearest: Tan
#B7BB91 is a yellow with RGB values 183, 187, 145 and HSL 66°, 24%, 65%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Tan.
Colour values
#B7BB91#B7BB91
HEX#B7BB91
RGBrgb(183, 187, 145)
RGB (0–1)0.7176, 0.7333, 0.5686
RGB percentages71.8%, 73.3%, 56.9%
HSLhsl(65.7, 23.6%, 65.1%)
HSV / HSBhsv(65.7, 22.5%, 73.3%)
CMYK2.1%, 0%, 22.5%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,041,105
CSS custom property--colour: #B7BB91;
Brightness & contrast
Relative luminance0.47652WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.5 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#B7B7B7
Inverted#48446E
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 familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9591BB
Analogous#BBAA91, #A2BB91
Triadic#91B7BB, #BB91B7
Split complementary#91A2BB, #AA91BB
Tetradic#91BBAA, #9591BB, #BB91A2
Tints, shades & saturation
Channel breakdown
R183
G187
B145
Red183 (71.8%)
Green187 (73.3%)
Blue145 (56.9%)
Hue65.71°
Saturation (HSL)23.6%
Lightness65.1%
Dominant channelGreen
Hex per channelR B7 · G BB · B 91
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Also reads as
B7BB91 (chemical formula)
- Formula
- 1,070.19 g/mol
- 99 atoms
B7BB91 has a molar mass of 1,070.19 g/mol, made up of 99 atoms across 1 element: 99 × B.
Molar mass
Molar mass1,070.19 g/mol
Total atoms per molecule99
Distinct elements1
Mass of one molecule1.7770923 × 10^-21 g
Molecules per gram5.6271697 × 10^20
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 × 99)1,070.19 g/mol, 100%
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