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Decimal number

180

  • Positive
  • Decimal
  • 0 d.p.
  • Exact fraction

180 is a decimal number equal to 180⁄1. It lies between 180 and 180, and as a percentage it is 18,000%.

Number properties

Absolute value180
SignPositive
Integer part180
Fractional part0
Decimal places0
Floor180
Ceiling180
Rounded to nearest180
Truncated180

Fractions & ratios

As a fraction180/1exact
Ratio180 : 1
As a percentage18,000%
Reciprocal0.0055555556≈

Arithmetic

Double360
Half90
Square32,400
Cube5,832,000
Square root13.416407865≈
Cube root5.6462161733≈
Negation-180
Natural logarithm5.1929568509≈
Logarithm base 102.2552725051≈

Representations

Decimal180
Scientific notation1.8 × 10^2
Exponential1.8e+2
IEEE 754 binary64 (hex)0x4066800000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x4334000032-bit single precision, may lose accuracy

Rounding

To 0 decimal places180
To 1 decimal place180.0
To 2 decimal places180.00
To 3 decimal places180.000
To 4 decimal places180.0000
To 1 significant figure200
To 2 significant figures180
To 3 significant figures180

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Neighbouring values

As a fraction

Also reads as

#180E00 (colour)

  • #180E00
  • Orange
  • Dark
  • Nearest: Black

#180E00 is a orange with RGB values 24, 14, 0 and HSL 35°, 100%, 5%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#180E00#180E00
HEX#180E00
RGBrgb(24, 14, 0)
RGB (0–1)0.0941, 0.0549, 0
RGB percentages9.4%, 5.5%, 0%
HSLhsl(35, 100%, 4.7%)
HSV / HSBhsv(35, 100%, 9.4%)
CMYK0%, 41.7%, 100%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,576,448
CSS custom property--colour: #180E00;

Brightness & contrast

Relative luminance0.00508WCAG 2.x, 0 is black and 1 is white
Perceived brightness16.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.06:1
Contrast with white19.06:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#E7F1FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#120E00no red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#141100no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#1B0B0Ano blue cones; rare, and affects men and women equally; ΔE 6.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.06:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Black · ΔE 8.6Dark slate grey · ΔE 31.8Dim grey · ΔE 40.5Dark olivegreen · ΔE 49.1Gray · ΔE 49.5Slate grey · ΔE 51.5
Nearest named CSS colourBlack (#000000)ΔE 8.56, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#000A18
Analogous#180200, #161800
Triadic#00180E, #0E0018
Split complementary#001618, #020018
Tetradic#001802, #000A18, #180016

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E48500
Lighter +30%#B16700
Lighter +20%#7E4A00
Lighter +10%#4B2C00
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#180E00
Less saturated −25%#150E03

Channel breakdown

R24
G14
B0
Red24 (9.4%)
Green14 (5.5%)
Blue0 (0%)
Hue35°
Saturation (HSL)100%
Lightness4.71%
Dominant channelRed
Hex per channelR 18 · G 0E · B 00

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Every value on this page was computed from “180e00” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.