Recognised as Colour
#BFBB11
- #BFBB11
- Yellow
- Dark
- Nearest: Gold
#BFBB11 is a yellow with RGB values 191, 187, 17 and HSL 59°, 84%, 41%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Gold.
Colour values
#BFBB11#BFBB11
HEX#BFBB11
RGBrgb(191, 187, 17)
RGB (0–1)0.749, 0.7333, 0.0667
RGB percentages74.9%, 73.3%, 6.7%
HSLhsl(58.6, 83.7%, 40.8%)
HSV / HSBhsv(58.6, 91.1%, 74.9%)
CMYK0%, 2.1%, 91.1%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,565,265
CSS custom property--colour: #BFBB11;
Brightness & contrast
Relative luminance0.46657WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.33:1
Contrast with white2.03:1WCAG normal text: Fail
Contrast with black10.33:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#4044EE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.03:1WCAG large text: Fail
Contrast with black, large text10.33:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1115BF
Analogous#BF6411, #6CBF11
Triadic#11BFBB, #BB11BF
Split complementary#116CBF, #6411BF
Tetradic#11BF64, #1115BF, #BF116C
Tints, shades & saturation
Channel breakdown
R191
G187
B17
Red191 (74.9%)
Green187 (73.3%)
Blue17 (6.7%)
Hue58.62°
Saturation (HSL)83.65%
Lightness40.78%
Dominant channelRed
Hex per channelR BF · G BB · B 11
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Also reads as
BFBB11 (chemical formula)
- Formula
- 159.528 g/mol
- 14 atoms
BFBB11 has a molar mass of 159.528 g/mol, made up of 14 atoms across 2 elements: 13 × B, 1 × F.
Molar mass
Molar mass159.528 g/mol
Total atoms per molecule14
Distinct elements2
Mass of one molecule2.6490248 × 10^-22 g
Molecules per gram3.7749741 × 10^21
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
B88.1%
F11.9%
Boron (B × 13)140.53 g/mol, 88.091%
Fluorine (F)18.998 g/mol, 11.909%
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