Recognised as Colour
#AC9930
- #AC9930
- Yellow
- Dark
- Nearest: Olive
#AC9930 is a yellow with RGB values 172, 153, 48 and HSL 51°, 56%, 43%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Olive.
Colour values
#AC9930#AC9930
HEX#AC9930
RGBrgb(172, 153, 48)
RGB (0–1)0.6745, 0.6, 0.1882
RGB percentages67.5%, 60%, 18.8%
HSLhsl(50.8, 56.4%, 43.1%)
HSV / HSBhsv(50.8, 72.1%, 67.5%)
CMYK0%, 11%, 72.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,311,408
CSS custom property--colour: #AC9930;
Brightness & contrast
Relative luminance0.31767WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.35:1
Contrast with white2.86:1WCAG normal text: Fail
Contrast with black7.35:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#5366CF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.86:1WCAG large text: Fail
Contrast with black, large text7.35:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3043AC
Analogous#AC5B30, #81AC30
Triadic#30AC99, #9930AC
Split complementary#3081AC, #5B30AC
Tetradic#30AC5B, #3043AC, #AC3081
Tints, shades & saturation
Channel breakdown
R172
G153
B48
Red172 (67.5%)
Green153 (60%)
Blue48 (18.8%)
Hue50.81°
Saturation (HSL)56.36%
Lightness43.14%
Dominant channelRed
Hex per channelR AC · G 99 · B 30
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Harmonies
Similar named colours
Also reads as
Ac9930 (chemical formula)
- Formula
- 2,254,110 g/mol
- 9930 atoms
Ac9930 has a molar mass of 2,254,110 g/mol, made up of 9930 atoms across 1 element: 9930 × Ac.
Molar mass
Molar mass2,254,110 g/mol
Total atoms per molecule9930
Distinct elements1
Mass of one molecule3.7430377 × 10^-18 g
Molecules per gram2.6716268 × 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 × 9930)2,254,110 g/mol, 100%
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