Recognised as Colour
#B9B800
- #B9B800
- Yellow
- Dark
- Nearest: Yellow green
#B9B800 is a yellow with RGB values 185, 184, 0 and HSL 60°, 100%, 36%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Yellow green.
Colour values
#B9B800#B9B800
HEX#B9B800
RGBrgb(185, 184, 0)
RGB (0–1)0.7255, 0.7216, 0
RGB percentages72.5%, 72.2%, 0%
HSLhsl(59.7, 100%, 36.3%)
HSV / HSBhsv(59.7, 100%, 72.5%)
CMYK0%, 0.5%, 100%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,171,264
CSS custom property--colour: #B9B800;
Brightness & contrast
Relative luminance0.44595WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.92:1
Contrast with white2.12:1WCAG normal text: Fail
Contrast with black9.92:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#4647FF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.12:1WCAG large text: Fail
Contrast with black, large text9.92:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0001B9
Analogous#B95C00, #5EB900
Triadic#00B9B8, #B800B9
Split complementary#005EB9, #5B00B9
Tetradic#00B95C, #0001B9, #B9005E
Tints, shades & saturation
Channel breakdown
R185
G184
B0
Red185 (72.5%)
Green184 (72.2%)
Blue0 (0%)
Hue59.68°
Saturation (HSL)100%
Lightness36.27%
Dominant channelRed
Hex per channelR B9 · G B8 · B 00
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Also reads as
B9B800 (chemical formula)
- Formula
- 8,745.29 g/mol
- 809 atoms
B9B800 has a molar mass of 8,745.29 g/mol, made up of 809 atoms across 1 element: 809 × B.
Molar mass
Molar mass8,745.29 g/mol
Total atoms per molecule809
Distinct elements1
Mass of one molecule1.4521896 × 10^-20 g
Molecules per gram6.8861533 × 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%
Boron (B × 809)8,745.29 g/mol, 100%
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