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Decimal number

313

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

313 is a decimal number equal to 313⁄1. It lies between 313 and 313, and as a percentage it is 31,300%.

Number properties

Absolute value313
SignPositive
Integer part313
Fractional part0
Decimal places0
Floor313
Ceiling313
Rounded to nearest313
Truncated313

Fractions & ratios

As a fraction313/1exact
Ratio313 : 1
As a percentage31,300%
Reciprocal0.0031948882≈

Arithmetic

Double626
Half156.5
Square97,969
Cube30,664,297
Square root17.691806013≈
Cube root6.7896613364≈
Negation-313
Natural logarithm5.7462031905≈
Logarithm base 102.4955443375≈

Representations

Decimal313
Scientific notation3.13 × 10^2
Exponential3.13e+2
IEEE 754 binary64 (hex)0x4073900000000000the exact 64-bit pattern stored
IEEE 754 binary32 (hex)0x439C800032-bit single precision, may lose accuracy

Rounding

To 0 decimal places313
To 1 decimal place313.0
To 2 decimal places313.00
To 3 decimal places313.000
To 4 decimal places313.0000
To 1 significant figure300
To 2 significant figures310
To 3 significant figures313

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Neighbouring values

As a fraction

Also reads as

#313E00 (colour)

  • #313E00
  • Green
  • Dark
  • Nearest: Dark olivegreen

#313E00 is a green with RGB values 49, 62, 0 and HSL 73°, 100%, 12%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

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Colour values

#313E00#313E00
HEX#313E00
RGBrgb(49, 62, 0)
RGB (0–1)0.1922, 0.2431, 0
RGB percentages19.2%, 24.3%, 0%
HSLhsl(72.6, 100%, 12.2%)
HSV / HSBhsv(72.6, 100%, 24.3%)
CMYK21%, 0%, 100%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,227,136
CSS custom property--colour: #313E00;

Brightness & contrast

Relative luminance0.04098WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.54:1
Contrast with white11.54:1WCAG normal text: AAA
Contrast with black1.82:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#CEC1FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#433900no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#413906no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#343A33no blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.54:1WCAG large text: AAA
Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 18.8Dark green · ΔE 32.7Dark slate grey · ΔE 36.9Olive · ΔE 37.1Olivedrab · ΔE 37.8Sea green · ΔE 39.3
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 18.81, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D003E
Analogous#3E2C00, #123E00
Triadic#00313E, #3E0031
Split complementary#00123E, #2C003E
Tetradic#003E2C, #0D003E, #3E0012

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCFF0B
Lighter +30%#AAD700
Lighter +20%#82A400
Lighter +10%#597100
Darker −10%#090B00
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#313E00
Less saturated −25%#2D3608

Channel breakdown

R49
G62
B0
Red49 (19.2%)
Green62 (24.3%)
Blue0 (0%)
Hue72.58°
Saturation (HSL)100%
Lightness12.16%
Dominant channelGreen
Hex per channelR 31 · G 3E · B 00

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Every value on this page was computed from “313e00” by Nerdulator’s number engine. Nothing here was retrieved from a database of answers or written by a model.