Recognised as Colour
#BBB8AC
- #BBB8AC
- Yellow
- Dark
- Nearest: Silver
#BBB8AC is a yellow with RGB values 187, 184, 172 and HSL 48°, 10%, 70%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Silver.
Colour values
#BBB8AC#BBB8AC
HEX#BBB8AC
RGBrgb(187, 184, 172)
RGB (0–1)0.7333, 0.7216, 0.6745
RGB percentages73.3%, 72.2%, 67.5%
HSLhsl(48, 9.9%, 70.4%)
HSV / HSBhsv(48, 8%, 73.3%)
CMYK0%, 1.6%, 8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,302,508
CSS custom property--colour: #BBB8AC;
Brightness & contrast
Relative luminance0.47824WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.56:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.56:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#444753
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.99:1WCAG large text: Fail
Contrast with black, large text10.56:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#ACAFBB
Analogous#BBB1AC, #B7BBAC
Triadic#ACBBB8, #B8ACBB
Split complementary#ACB7BB, #B1ACBB
Tetradic#ACBBB1, #ACAFBB, #BBACB7
Tints, shades & saturation
Channel breakdown
R187
G184
B172
Red187 (73.3%)
Green184 (72.2%)
Blue172 (67.5%)
Hue48°
Saturation (HSL)9.93%
Lightness70.39%
Dominant channelRed
Hex per channelR BB · G B8 · B AC
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Also reads as
BBB8Ac (chemical formula)
- Formula
- 335.1 g/mol
- 11 atoms
BBB8Ac has a molar mass of 335.1 g/mol, made up of 11 atoms across 2 elements: 10 × B, 1 × Ac.
Molar mass
Molar mass335.1 g/mol
Total atoms per molecule11
Distinct elements2
Mass of one molecule5.5644664 × 10^-22 g
Molecules per gram1.7971175 × 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
B32.3%
Ac67.7%
Boron (B × 10)108.1 g/mol, 32.259%
Actinium (Ac)227 g/mol, 67.741%
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