Recognised as Colour
#B4979F
- #B4979F
- Red
- Dark
- Nearest: Rosy brown
#B4979F is a red with RGB values 180, 151, 159 and HSL 343°, 16%, 65%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Rosy brown.
Colour values
#B4979F#B4979F
HEX#B4979F
RGBrgb(180, 151, 159)
RGB (0–1)0.7059, 0.5922, 0.6235
RGB percentages70.6%, 59.2%, 62.4%
HSLhsl(343.4, 16.2%, 64.9%)
HSV / HSBhsv(343.4, 16.1%, 70.6%)
CMYK0%, 16.1%, 11.7%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,835,295
CSS custom property--colour: #B4979F;
Brightness & contrast
Relative luminance0.3434WCAG 2.x, 0 is black and 1 is white
Perceived brightness161.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.87:1
Contrast with white2.67:1WCAG normal text: Fail
Contrast with black7.87:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#4B6860
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.67:1WCAG large text: Fail
Contrast with black, large text7.87:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#97B4AC
Analogous#B497AE, #B49E97
Triadic#9FB497, #979FB4
Split complementary#97B49E, #97AEB4
Tetradic#AEB497, #97B4AC, #9D97B4
Tints, shades & saturation
Channel breakdown
R180
G151
B159
Red180 (70.6%)
Green151 (59.2%)
Blue159 (62.4%)
Hue343.45°
Saturation (HSL)16.2%
Lightness64.9%
Dominant channelRed
Hex per channelR B4 · G 97 · B 9F
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Also reads as
B4979F (chemical formula)
- Formula
- 53,841.988 g/mol
- 4980 atoms
B4979F has a molar mass of 53,841.988 g/mol, made up of 4980 atoms across 2 elements: 4979 × B, 1 × F.
Molar mass
Molar mass53,841.988 g/mol
Total atoms per molecule4980
Distinct elements2
Mass of one molecule8.9406725 × 10^-20 g
Molecules per gram1.1184841 × 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
B100%
F0%
Boron (B × 4979)53,822.99 g/mol, 99.965%
Fluorine (F)18.998 g/mol, 0.035%
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