Recognised as Colour
#B8ACB7
- #B8ACB7
- Grey
- Dark
- Nearest: Dark grey
#B8ACB7 is a grey with RGB values 184, 172, 183 and HSL 305°, 8%, 70%. 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 grey.
Colour values
#B8ACB7#B8ACB7
HEX#B8ACB7
RGBrgb(184, 172, 183)
RGB (0–1)0.7216, 0.6745, 0.7176
RGB percentages72.2%, 67.5%, 71.8%
HSLhsl(305, 7.8%, 69.8%)
HSV / HSBhsv(305, 6.5%, 72.2%)
CMYK0%, 6.5%, 0.5%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,102,839
CSS custom property--colour: #B8ACB7;
Brightness & contrast
Relative luminance0.43114WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.62:1
Contrast with white2.18:1WCAG normal text: Fail
Contrast with black9.62:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#475348
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 text9.62:1WCAG large text: AAA
Named colours
Hue familygrey
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#ACB8AD
Analogous#B3ACB8, #B8ACB1
Triadic#B7B8AC, #ACB7B8
Split complementary#B1B8AC, #ACB8B3
Tetradic#B8B3AC, #ACB8AD, #ACB1B8
Tints, shades & saturation
Channel breakdown
R184
G172
B183
Red184 (72.2%)
Green172 (67.5%)
Blue183 (71.8%)
Hue305°
Saturation (HSL)7.79%
Lightness69.8%
Dominant channelRed
Hex per channelR B8 · G AC · B B7
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Also reads as
B8AcB7 (chemical formula)
- Formula
- 389.15 g/mol
- 16 atoms
B8AcB7 has a molar mass of 389.15 g/mol, made up of 16 atoms across 2 elements: 15 × B, 1 × Ac.
Molar mass
Molar mass389.15 g/mol
Total atoms per molecule16
Distinct elements2
Mass of one molecule6.4619878 × 10^-22 g
Molecules per gram1.5475114 × 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
B41.7%
Ac58.3%
Boron (B × 15)162.15 g/mol, 41.668%
Actinium (Ac)227 g/mol, 58.332%
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