Recognised as Colour
#B791AC
- #B791AC
- Magenta
- Dark
- Nearest: Rosy brown
#B791AC is a magenta with RGB values 183, 145, 172 and HSL 317°, 21%, 64%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#B791AC#B791AC
HEX#B791AC
RGBrgb(183, 145, 172)
RGB (0–1)0.7176, 0.5686, 0.6745
RGB percentages71.8%, 56.9%, 67.5%
HSLhsl(317.4, 20.9%, 64.3%)
HSV / HSBhsv(317.4, 20.8%, 71.8%)
CMYK0%, 20.8%, 6%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,030,380
CSS custom property--colour: #B791AC;
Brightness & contrast
Relative luminance0.33297WCAG 2.x, 0 is black and 1 is white
Perceived brightness160.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.66:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.66:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#486E53
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.66:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#91B79C
Analogous#AF91B7, #B79199
Triadic#ACB791, #91ACB7
Split complementary#99B791, #91B7AF
Tetradic#B7AF91, #91B79C, #9199B7
Tints, shades & saturation
Channel breakdown
R183
G145
B172
Red183 (71.8%)
Green145 (56.9%)
Blue172 (67.5%)
Hue317.37°
Saturation (HSL)20.88%
Lightness64.31%
Dominant channelRed
Hex per channelR B7 · G 91 · B AC
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Also reads as
B791Ac (chemical formula)
- Formula
- 8,777.71 g/mol
- 792 atoms
B791Ac has a molar mass of 8,777.71 g/mol, made up of 792 atoms across 2 elements: 791 × B, 1 × Ac.
Molar mass
Molar mass8,777.71 g/mol
Total atoms per molecule792
Distinct elements2
Mass of one molecule1.457573 × 10^-20 g
Molecules per gram6.8607197 × 10^19
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
B97.4%
Ac2.6%
Boron (B × 791)8,550.71 g/mol, 97.414%
Actinium (Ac)227 g/mol, 2.586%
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