Recognised as Colour
#ACB7AC
- #ACB7AC
- Grey
- Dark
- Nearest: Dark grey
#ACB7AC is a grey with RGB values 172, 183, 172 and HSL 120°, 7%, 70%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark grey.
Colour values
#ACB7AC#ACB7AC
HEX#ACB7AC
RGBrgb(172, 183, 172)
RGB (0–1)0.6745, 0.7176, 0.6745
RGB percentages67.5%, 71.8%, 67.5%
HSLhsl(120, 7.1%, 69.6%)
HSV / HSBhsv(120, 6%, 71.8%)
CMYK6%, 0%, 6%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,319,212
CSS custom property--colour: #ACB7AC;
Brightness & contrast
Relative luminance0.45616WCAG 2.x, 0 is black and 1 is white
Perceived brightness178.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.12:1
Contrast with white2.07:1WCAG normal text: Fail
Contrast with black10.12:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#534853
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.07:1WCAG large text: Fail
Contrast with black, large text10.12:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#B7ACB7
Analogous#B2B7AC, #ACB7B2
Triadic#ACACB7, #B7ACAC
Split complementary#B2ACB7, #B7ACB2
Tetradic#ACB2B7, #B7ACB7, #B7B2AC
Tints, shades & saturation
Channel breakdown
R172
G183
B172
Red172 (67.5%)
Green183 (71.8%)
Blue172 (67.5%)
Hue120°
Saturation (HSL)7.1%
Lightness69.61%
Dominant channelGreen
Hex per channelR AC · G B7 · B AC
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Also reads as
AcB7Ac (chemical formula)
- Formula
- 529.67 g/mol
- 9 atoms
AcB7Ac has a molar mass of 529.67 g/mol, made up of 9 atoms across 2 elements: 2 × Ac, 7 × B.
Molar mass
Molar mass529.67 g/mol
Total atoms per molecule9
Distinct elements2
Mass of one molecule8.7953773 × 10^-22 g
Molecules per gram1.1369609 × 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
Ac85.7%
B14.3%
Actinium (Ac × 2)454 g/mol, 85.714%
Boron (B × 7)75.67 g/mol, 14.286%
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