Recognised as Colour
#BFB163
- #BFB163
- Yellow
- Dark
- Nearest: Dark khaki
#BFB163 is a yellow with RGB values 191, 177, 99 and HSL 51°, 42%, 57%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#BFB163#BFB163
HEX#BFB163
RGBrgb(191, 177, 99)
RGB (0–1)0.749, 0.6941, 0.3882
RGB percentages74.9%, 69.4%, 38.8%
HSLhsl(50.9, 41.8%, 56.9%)
HSV / HSBhsv(50.9, 48.2%, 74.9%)
CMYK0%, 7.3%, 48.2%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,562,787
CSS custom property--colour: #BFB163;
Brightness & contrast
Relative luminance0.43421WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.68:1
Contrast with white2.17:1WCAG normal text: Fail
Contrast with black9.68:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#404E9C
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.17:1WCAG large text: Fail
Contrast with black, large text9.68:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#6371BF
Analogous#BF8363, #9FBF63
Triadic#63BFB1, #B163BF
Split complementary#639FBF, #8363BF
Tetradic#63BF83, #6371BF, #BF639F
Tints, shades & saturation
Channel breakdown
R191
G177
B99
Red191 (74.9%)
Green177 (69.4%)
Blue99 (38.8%)
Hue50.87°
Saturation (HSL)41.82%
Lightness56.86%
Dominant channelRed
Hex per channelR BF · G B1 · B 63
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Also reads as
BFB163 (chemical formula)
- Formula
- 1,791.838 g/mol
- 165 atoms
BFB163 has a molar mass of 1,791.838 g/mol, made up of 165 atoms across 2 elements: 164 × B, 1 × F.
Molar mass
Molar mass1,791.838 g/mol
Total atoms per molecule165
Distinct elements2
Mass of one molecule2.975417 × 10^-21 g
Molecules per gram3.3608734 × 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
B98.9%
F1.1%
Boron (B × 164)1,772.84 g/mol, 98.94%
Fluorine (F)18.998 g/mol, 1.06%
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