Recognised as Colour
#ACAC48
- #ACAC48
- Yellow
- Dark
- Nearest: Dark khaki
#ACAC48 is a yellow with RGB values 172, 172, 72 and HSL 60°, 41%, 48%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.
Colour values
#ACAC48#ACAC48
HEX#ACAC48
RGBrgb(172, 172, 72)
RGB (0–1)0.6745, 0.6745, 0.2824
RGB percentages67.5%, 67.5%, 28.2%
HSLhsl(60, 41%, 47.8%)
HSV / HSBhsv(60, 58.1%, 67.5%)
CMYK0%, 0%, 58.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,316,296
CSS custom property--colour: #ACAC48;
Brightness & contrast
Relative luminance0.38744WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#5353B7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4848AC
Analogous#AC7A48, #7AAC48
Triadic#48ACAC, #AC48AC
Split complementary#487AAC, #7A48AC
Tetradic#48AC7A, #4848AC, #AC487A
Tints, shades & saturation
Channel breakdown
R172
G172
B72
Red172 (67.5%)
Green172 (67.5%)
Blue72 (28.2%)
Hue60°
Saturation (HSL)40.98%
Lightness47.84%
Dominant channelRed and Green
Hex per channelR AC · G AC · B 48
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Also reads as
AcAc48 (chemical formula)
- Formula
- 11,123 g/mol
- 49 atoms
AcAc48 has a molar mass of 11,123 g/mol, made up of 49 atoms across 1 element: 49 × Ac.
Molar mass
Molar mass11,123 g/mol
Total atoms per molecule49
Distinct elements1
Mass of one molecule1.8470176 × 10^-20 g
Molecules per gram5.4141336 × 10^19
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 × 49)11,123 g/mol, 100%
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