Recognised as Colour
#BFB840
- #BFB840
- Yellow
- Dark
- Nearest: Dark khaki
#BFB840 is a yellow with RGB values 191, 184, 64 and HSL 57°, 50%, 50%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#BFB840#BFB840
HEX#BFB840
RGBrgb(191, 184, 64)
RGB (0–1)0.749, 0.7216, 0.251
RGB percentages74.9%, 72.2%, 25.1%
HSLhsl(56.7, 49.8%, 50%)
HSV / HSBhsv(56.7, 66.5%, 74.9%)
CMYK0%, 3.7%, 66.5%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,564,544
CSS custom property--colour: #BFB840;
Brightness & contrast
Relative luminance0.45728WCAG 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 10.15:1
Contrast with white2.07:1WCAG normal text: Fail
Contrast with black10.15:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#4047BF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.07:1WCAG large text: Fail
Contrast with black, large text10.15:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4047BF
Analogous#BF7940, #86BF40
Triadic#40BFB8, #B840BF
Split complementary#4086BF, #7940BF
Tetradic#40BF79, #4047BF, #BF4086
Tints, shades & saturation
Channel breakdown
R191
G184
B64
Red191 (74.9%)
Green184 (72.2%)
Blue64 (25.1%)
Hue56.69°
Saturation (HSL)49.8%
Lightness50%
Dominant channelRed
Hex per channelR BF · G B8 · B 40
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Also reads as
BFB840 (chemical formula)
- Formula
- 9,110.208 g/mol
- 842 atoms
BFB840 has a molar mass of 9,110.208 g/mol, made up of 842 atoms across 2 elements: 841 × B, 1 × F.
Molar mass
Molar mass9,110.208 g/mol
Total atoms per molecule842
Distinct elements2
Mass of one molecule1.5127856 × 10^-20 g
Molecules per gram6.6103219 × 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
B99.8%
F0.2%
Boron (B × 841)9,091.21 g/mol, 99.791%
Fluorine (F)18.998 g/mol, 0.209%
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