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Dice notation

31d255

  • 31d255
  • 31 to 7905
  • mean 3,968
  • mode 3968

Rolling 31d255 gives a total between 31 and 7,905, with a mean of 3,968 and a standard deviation of 409.852. There are 400,631,961,586,894,742,455,537,928,461,950,192,806,830,589,109,049,416,147,172,451,019,287,109,375 equally likely ordered outcomes, and the most likely total is 3,968 at 0.097%.

The roll

Notation31d255
Dice31
Faces per die255
Minimum total31all 31 dice showing 1
Maximum total7,905all 31 dice showing 255
Distinct totals7,875
Mean3,968n(f + 1)/2 + modifier, exact
Variance167,978.66666667n(f² − 1)/12, exact
Standard deviation409.85200581≈

Counting the outcomes

Ordered outcomes400,631,961,586,894,742,455,537,928,461,950,192,806,830,589,109,049,416,147,172,451,019,287,109,375255^31, every die distinguishable
Most likely total3,968
Chance of that total0.096866%≈
Ways to roll it388,076,070,085,885,374,710,181,822,023,594,522,840,953,652,812,727,349,629,693,802,223,782,001exact count
Chance of the minimum2.49605647 × 10^-73%≈1 in 400,631,961,586,894,742,455,537,928,461,950,192,806,830,589,109,049,416,147,172,451,019,287,109,375
Chance of the maximum2.49605647 × 10^-73%≈1 in 400,631,961,586,894,742,455,537,928,461,950,192,806,830,589,109,049,416,147,172,451,019,287,109,375

Shape of the distribution

7,875 distinct totals, too many to list individually.

1st percentile3,018≈1.001% of rolls are this or lower
5th percentile3,294≈5.025% of rolls are this or lower
25th percentile3,690≈25.007% of rolls are this or lower
50th percentile3,968≈50.048% of rolls are this or lower
75th percentile4,246≈75.071% of rolls are this or lower
95th percentile4,642≈95.001% of rolls are this or lower
99th percentile4,918≈99.005% of rolls are this or lower

Chance of rolling at least

818100%≈
2,000100%≈
3,96850.0484%≈
5,9370%≈
7,1183.36885904 × 10^-17%≈

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The same dice, different counts

The same count, different dice

Also reads as

#31D255 (colour)

  • #31D255
  • Green
  • Dark
  • Nearest: Limegreen

#31D255 is a green with RGB values 49, 210, 85 and HSL 133°, 64%, 51%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

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Colour values

#31D255#31D255
HEX#31D255
RGBrgb(49, 210, 85)
RGB (0–1)0.1922, 0.8235, 0.3333
RGB percentages19.2%, 82.4%, 33.3%
HSLhsl(133.4, 64.1%, 50.8%)
HSV / HSBhsv(133.4, 76.7%, 82.4%)
CMYK76.7%, 0%, 59.5%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,265,109
CSS custom property--colour: #31D255;

Brightness & contrast

Relative luminance0.47402WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#A7A7A7
Inverted#CE2DAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5BF48no red cones; affects about 1% of men; ΔE 60.9 from the original
Deuteranopia#C3B25Fno green cones; the most common form, about 1% of men; ΔE 60.9 from the original
Tritanopia#00CDB7no blue cones; rare, and affects men and women equally; ΔE 53.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12.1Spring green · ΔE 18.3Medium spring green · ΔE 22.1Light green · ΔE 25.9Pale green · ΔE 26.1Forest green · ΔE 29
Nearest named CSS colourLimegreen (#32CD32)ΔE 12.11, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D231AE
Analogous#5ED231, #31D2A5
Triadic#5531D2, #D25531
Split complementary#A531D2, #D2315E
Tetradic#315ED2, #D231AE, #D2A531

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8F7DF
Lighter +30%#AFEDBD
Lighter +20%#85E49A
Lighter +10%#5BDB78
Darker −10%#25AB43
Darker −20%#1C8133
Darker −30%#135722
Darker −40%#0A2D12
More saturated +25%#12F144
Less saturated −25%#50B366

Channel breakdown

R49
G210
B85
Red49 (19.2%)
Green210 (82.4%)
Blue85 (33.3%)
Hue133.42°
Saturation (HSL)64.14%
Lightness50.78%
Dominant channelGreen
Hex per channelR 31 · G D2 · B 55

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Every value on this page was computed from “31d255” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.