Recognised as Colour
#ACBBB7
- #ACBBB7
- Cyan
- Dark
- Nearest: Silver
#ACBBB7 is a cyan with RGB values 172, 187, 183 and HSL 164°, 10%, 70%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Silver.
Colour values
#ACBBB7#ACBBB7
HEX#ACBBB7
RGBrgb(172, 187, 183)
RGB (0–1)0.6745, 0.7333, 0.7176
RGB percentages67.5%, 73.3%, 71.8%
HSLhsl(164, 9.9%, 70.4%)
HSV / HSBhsv(164, 8%, 73.3%)
CMYK8%, 0%, 2.1%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,320,247
CSS custom property--colour: #ACBBB7;
Brightness & contrast
Relative luminance0.4773WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.55:1
Contrast with white1.99:1WCAG normal text: Fail
Contrast with black10.55:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#534448
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 text10.55:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BBACB0
Analogous#ACBBB0, #ACB8BB
Triadic#B7ACBB, #BBB7AC
Split complementary#BBACB8, #BBB0AC
Tetradic#B0ACBB, #BBACB0, #B8BBAC
Tints, shades & saturation
Channel breakdown
R172
G187
B183
Red172 (67.5%)
Green187 (73.3%)
Blue183 (71.8%)
Hue164°
Saturation (HSL)9.93%
Lightness70.39%
Dominant channelGreen
Hex per channelR AC · G BB · B B7
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Also reads as
AcBBB7 (chemical formula)
- Formula
- 324.29 g/mol
- 10 atoms
AcBBB7 has a molar mass of 324.29 g/mol, made up of 10 atoms across 2 elements: 1 × Ac, 9 × B.
Molar mass
Molar mass324.29 g/mol
Total atoms per molecule10
Distinct elements2
Mass of one molecule5.3849621 × 10^-22 g
Molecules per gram1.8570233 × 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
Ac70%
B30%
Actinium (Ac)227 g/mol, 69.999%
Boron (B × 9)97.29 g/mol, 30.001%
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