Recognised as Colour
#BBB340
- #BBB340
- Yellow
- Dark
- Nearest: Dark khaki
#BBB340 is a yellow with RGB values 187, 179, 64 and HSL 56°, 49%, 49%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#BBB340#BBB340
HEX#BBB340
RGBrgb(187, 179, 64)
RGB (0–1)0.7333, 0.702, 0.251
RGB percentages73.3%, 70.2%, 25.1%
HSLhsl(56.1, 49%, 49.2%)
HSV / HSBhsv(56.1, 65.8%, 73.3%)
CMYK0%, 4.3%, 65.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,301,120
CSS custom property--colour: #BBB340;
Brightness & contrast
Relative luminance0.43175WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.64:1
Contrast with white2.18:1WCAG normal text: Fail
Contrast with black9.64:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#444CBF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.18:1WCAG large text: Fail
Contrast with black, large text9.64:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4048BB
Analogous#BB7640, #85BB40
Triadic#40BBB3, #B340BB
Split complementary#4085BB, #7640BB
Tetradic#40BB76, #4048BB, #BB4085
Tints, shades & saturation
Channel breakdown
R187
G179
B64
Red187 (73.3%)
Green179 (70.2%)
Blue64 (25.1%)
Hue56.1°
Saturation (HSL)49%
Lightness49.22%
Dominant channelRed
Hex per channelR BB · G B3 · B 40
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Also reads as
BBB340 (chemical formula)
- Formula
- 3,697.02 g/mol
- 342 atoms
BBB340 has a molar mass of 3,697.02 g/mol, made up of 342 atoms across 1 element: 342 × B.
Molar mass
Molar mass3,697.02 g/mol
Total atoms per molecule342
Distinct elements1
Mass of one molecule6.1390461 × 10^-21 g
Molecules per gram1.6289175 × 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
B100%
Boron (B × 342)3,697.02 g/mol, 100%
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