Recognised as Colour
#BFB183
- #BFB183
- Yellow
- Dark
- Nearest: Tan
#BFB183 is a yellow with RGB values 191, 177, 131 and HSL 46°, 32%, 63%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Tan.
Colour values
#BFB183#BFB183
HEX#BFB183
RGBrgb(191, 177, 131)
RGB (0–1)0.749, 0.6941, 0.5137
RGB percentages74.9%, 69.4%, 51.4%
HSLhsl(46, 31.9%, 63.1%)
HSV / HSBhsv(46, 31.4%, 74.9%)
CMYK0%, 7.3%, 31.4%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,562,819
CSS custom property--colour: #BFB183;
Brightness & contrast
Relative luminance0.44159WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.83:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.83:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#404E7C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.83:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8391BF
Analogous#BF9383, #AFBF83
Triadic#83BFB1, #B183BF
Split complementary#83AFBF, #9383BF
Tetradic#83BF93, #8391BF, #BF83AF
Tints, shades & saturation
Channel breakdown
R191
G177
B131
Red191 (74.9%)
Green177 (69.4%)
Blue131 (51.4%)
Hue46°
Saturation (HSL)31.91%
Lightness63.14%
Dominant channelRed
Hex per channelR BF · G B1 · B 83
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Also reads as
BFB183 (chemical formula)
- Formula
- 2,008.038 g/mol
- 185 atoms
BFB183 has a molar mass of 2,008.038 g/mol, made up of 185 atoms across 2 elements: 184 × B, 1 × F.
Molar mass
Molar mass2,008.038 g/mol
Total atoms per molecule185
Distinct elements2
Mass of one molecule3.3344255 × 10^-21 g
Molecules per gram2.9990173 × 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
B99.1%
F0.9%
Boron (B × 184)1,989.04 g/mol, 99.054%
Fluorine (F)18.998 g/mol, 0.946%
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