Recognised as Colour
#B29751
- #B29751
- Orange
- Dark
- Nearest: Dark khaki
#B29751 is a orange with RGB values 178, 151, 81 and HSL 43°, 39%, 51%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#B29751#B29751
HEX#B29751
RGBrgb(178, 151, 81)
RGB (0–1)0.698, 0.5922, 0.3176
RGB percentages69.8%, 59.2%, 31.8%
HSLhsl(43.3, 38.6%, 50.8%)
HSV / HSBhsv(43.3, 54.5%, 69.8%)
CMYK0%, 15.2%, 54.5%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,704,145
CSS custom property--colour: #B29751;
Brightness & contrast
Relative luminance0.32192WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.44:1
Contrast with white2.82:1WCAG normal text: Fail
Contrast with black7.44:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#4D68AE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.82:1WCAG large text: Fail
Contrast with black, large text7.44:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#516CB2
Analogous#B26651, #9DB251
Triadic#51B297, #9751B2
Split complementary#519DB2, #6751B2
Tetradic#51B266, #516CB2, #B2519C
Tints, shades & saturation
Channel breakdown
R178
G151
B81
Red178 (69.8%)
Green151 (59.2%)
Blue81 (31.8%)
Hue43.3°
Saturation (HSL)38.65%
Lightness50.78%
Dominant channelRed
Hex per channelR B2 · G 97 · B 51
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Also reads as
B29751 (chemical formula)
- Formula
- 321,608.31 g/mol
- 29751 atoms
B29751 has a molar mass of 321,608.31 g/mol, made up of 29751 atoms across 1 element: 29751 × B.
Molar mass
Molar mass321,608.31 g/mol
Total atoms per molecule29751
Distinct elements1
Mass of one molecule5.3404316 × 10^-19 g
Molecules per gram1.8725078 × 10^18
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 × 29751)321,608.31 g/mol, 100%
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