Recognised as Colour
#AC9017
- #AC9017
- Yellow
- Dark
- Nearest: Dark goldenrod
#AC9017 is a yellow with RGB values 172, 144, 23 and HSL 49°, 76%, 38%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#AC9017#AC9017
HEX#AC9017
RGBrgb(172, 144, 23)
RGB (0–1)0.6745, 0.5647, 0.0902
RGB percentages67.5%, 56.5%, 9%
HSLhsl(48.7, 76.4%, 38.2%)
HSV / HSBhsv(48.7, 86.6%, 67.5%)
CMYK0%, 16.3%, 86.6%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,309,079
CSS custom property--colour: #AC9017;
Brightness & contrast
Relative luminance0.28779WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.76:1
Contrast with white3.11:1WCAG normal text: Fail
Contrast with black6.76:1WCAG normal text: AA
Greyscale equivalent#8D8D8D
Inverted#536FE8
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.11:1WCAG large text: AA
Contrast with black, large text6.76:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1733AC
Analogous#AC4617, #7EAC17
Triadic#17AC90, #9017AC
Split complementary#177EAC, #4517AC
Tetradic#17AC46, #1733AC, #AC177E
Tints, shades & saturation
Channel breakdown
R172
G144
B23
Red172 (67.5%)
Green144 (56.5%)
Blue23 (9%)
Hue48.72°
Saturation (HSL)76.41%
Lightness38.24%
Dominant channelRed
Hex per channelR AC · G 90 · B 17
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Also reads as
Ac9017 (chemical formula)
- Formula
- 2,046,859 g/mol
- 9017 atoms
Ac9017 has a molar mass of 2,046,859 g/mol, made up of 9017 atoms across 1 element: 9017 × Ac.
Molar mass
Molar mass2,046,859 g/mol
Total atoms per molecule9017
Distinct elements1
Mass of one molecule3.3988893 × 10^-18 g
Molecules per gram2.9421376 × 10^17
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
Ac100%
Actinium (Ac × 9017)2,046,859 g/mol, 100%
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