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Recognised as Dice notation

12d255

  • 12d255
  • 12 to 3060
  • mean 1,536
  • mode 1536

Rolling 12d255 gives a total between 12 and 3,060, with a mean of 1,536 and a standard deviation of 254.998. There are 75,593,101,654,204,447,168,212,890,625 equally likely ordered outcomes, and the most likely total is 1,536 at 0.154%.

The roll

Notation12d255
Dice12
Faces per die255
Minimum total12all 12 dice showing 1
Maximum total3,060all 12 dice showing 255
Distinct totals3,049
Mean1,536n(f + 1)/2 + modifier, exact
Variance65,024n(f² − 1)/12, exact
Standard deviation254.99803921≈

Counting the outcomes

Ordered outcomes75,593,101,654,204,447,168,212,890,625255^12, every die distinguishable
Most likely total1,536
Chance of that total0.154482%≈
Ways to roll it116,777,541,172,463,358,311,298,175exact count
Chance of the minimum1.32287203 × 10^-27%≈1 in 75,593,101,654,204,447,168,212,890,625
Chance of the maximum1.32287203 × 10^-27%≈1 in 75,593,101,654,204,447,168,212,890,625

Shape of the distribution

3,049 distinct totals, too many to list individually.

1st percentile949≈1.006% of rolls are this or lower
5th percentile1,116≈5.02% of rolls are this or lower
25th percentile1,362≈25.044% of rolls are this or lower
50th percentile1,536≈50.077% of rolls are this or lower
75th percentile1,710≈75.08% of rolls are this or lower
95th percentile1,956≈95.022% of rolls are this or lower
99th percentile2,123≈99.005% of rolls are this or lower

Chance of rolling at least

317100%≈
77499.8955%≈
1,53650.0772%≈
2,2980.1061%≈
2,7550%≈

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The same dice, different counts

The same count, different dice

Also reads as

#12D255 (colour)

  • #12D255
  • Green
  • Dark
  • Nearest: Limegreen

#12D255 is a green with RGB values 18, 210, 85 and HSL 141°, 84%, 45%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Limegreen.

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Colour values

#12D255#12D255
HEX#12D255
RGBrgb(18, 210, 85)
RGB (0–1)0.0706, 0.8235, 0.3333
RGB percentages7.1%, 82.4%, 33.3%
HSLhsl(140.9, 84.2%, 44.7%)
HSV / HSBhsv(140.9, 91.4%, 82.4%)
CMYK91.4%, 0%, 59.5%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,233,493
CSS custom property--colour: #12D255;

Brightness & contrast

Relative luminance0.46878WCAG 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 10.38:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.38:1WCAG normal text: AAA
Greyscale equivalent#A0A0A0
Inverted#ED2DAA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D4BE48no red cones; affects about 1% of men; ΔE 63.8 from the original
Deuteranopia#C1B15Fno green cones; the most common form, about 1% of men; ΔE 63.4 from the original
Tritanopia#00CDB7no blue cones; rare, and affects men and women equally; ΔE 54.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.38:1WCAG large text: AAA

Named colours

Limegreen · ΔE 12.5Spring green · ΔE 16.9Medium spring green · ΔE 21.4Light green · ΔE 28Pale green · ΔE 28.1Forest green · ΔE 30.3
Nearest named CSS colourLimegreen (#32CD32)ΔE 12.48, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2128F
Analogous#2FD212, #12D2B5
Triadic#5512D2, #D25512
Split complementary#B512D2, #D2122F
Tetradic#122FD2, #D2128F, #D2B512

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7F9CE
Lighter +30%#88F5AE
Lighter +20%#59F18E
Lighter +10%#2AED6E
Darker −10%#0EA342
Darker −20%#0A742F
Darker −30%#06451C
Darker −40%#021609
More saturated +25%#00E450
Less saturated −25%#2EB55E

Channel breakdown

R18
G210
B85
Red18 (7.1%)
Green210 (82.4%)
Blue85 (33.3%)
Hue140.94°
Saturation (HSL)84.21%
Lightness44.71%
Dominant channelGreen
Hex per channelR 12 · G D2 · B 55

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Every value on this page was computed from “12d255” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.