Recognised as Colour
#BBB41F
- #BBB41F
- Yellow
- Dark
- Nearest: Goldenrod
#BBB41F is a yellow with RGB values 187, 180, 31 and HSL 57°, 72%, 43%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#BBB41F#BBB41F
HEX#BBB41F
RGBrgb(187, 180, 31)
RGB (0–1)0.7333, 0.7059, 0.1216
RGB percentages73.3%, 70.6%, 12.2%
HSLhsl(57.3, 71.6%, 42.7%)
HSV / HSBhsv(57.3, 83.4%, 73.3%)
CMYK0%, 3.7%, 83.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,301,343
CSS custom property--colour: #BBB41F;
Brightness & contrast
Relative luminance0.43306WCAG 2.x, 0 is black and 1 is white
Perceived brightness172 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.66:1
Contrast with white2.17:1WCAG normal text: Fail
Contrast with black9.66:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#444BE0
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 text9.66:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F26BB
Analogous#BB661F, #74BB1F
Triadic#1FBBB4, #B41FBB
Split complementary#1F74BB, #661FBB
Tetradic#1FBB66, #1F26BB, #BB1F74
Tints, shades & saturation
Channel breakdown
R187
G180
B31
Red187 (73.3%)
Green180 (70.6%)
Blue31 (12.2%)
Hue57.31°
Saturation (HSL)71.56%
Lightness42.75%
Dominant channelRed
Hex per channelR BB · G B4 · B 1F
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Also reads as
BBB41F (chemical formula)
- Formula
- 483.828 g/mol
- 44 atoms
BBB41F has a molar mass of 483.828 g/mol, made up of 44 atoms across 2 elements: 43 × B, 1 × F.
Molar mass
Molar mass483.828 g/mol
Total atoms per molecule44
Distinct elements2
Mass of one molecule8.034153 × 10^-22 g
Molecules per gram1.2446863 × 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
B96.1%
F3.9%
Boron (B × 43)464.83 g/mol, 96.073%
Fluorine (F)18.998 g/mol, 3.927%
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