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Dice notation

30d15

  • 30d15
  • 30 to 450
  • mean 240
  • mode 240

Rolling 30d15 gives a total between 30 and 450, with a mean of 240 and a standard deviation of 23.6643. There are 191,751,059,232,884,086,668,491,363,525,390,625 equally likely ordered outcomes, and the most likely total is 240 at 1.677%.

The canonical address for this page is /30d15.

The roll

Notation30d15
Dice30
Faces per die15
Minimum total30all 30 dice showing 1
Maximum total450all 30 dice showing 15
Distinct totals421
Mean240n(f + 1)/2 + modifier, exact
Variance560n(f² − 1)/12, exact
Standard deviation23.66431913≈

Counting the outcomes

Ordered outcomes191,751,059,232,884,086,668,491,363,525,390,62515^30, every die distinguishable
Most likely total240
Chance of that total1.677314%≈
Ways to roll it3,216,267,382,950,968,110,757,474,585,877,733exact count
Chance of the minimum5.21509505 × 10^-34%≈1 in 191,751,059,232,884,086,668,491,363,525,390,625
Chance of the maximum5.21509505 × 10^-34%≈1 in 191,751,059,232,884,086,668,491,363,525,390,625

Shape of the distribution

421 distinct totals, too many to list individually.

1st percentile185≈1.038% of rolls are this or lower
5th percentile201≈5.197% of rolls are this or lower
25th percentile224≈25.714% of rolls are this or lower
50th percentile240≈50.839% of rolls are this or lower
75th percentile256≈75.627% of rolls are this or lower
95th percentile279≈95.241% of rolls are this or lower
99th percentile295≈99.076% of rolls are this or lower

Chance of rolling at least

72100%≈
13599.9998%≈
24050.8387%≈
3450.0003%≈
4088.54684404 × 10^-14%≈

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The same dice, different counts

The same count, different dice

Also reads as

#030D15 (colour)

  • #030D15
  • Blue
  • Dark
  • Nearest: Black

#030D15 is a blue with RGB values 3, 13, 21 and HSL 207°, 75%, 5%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#030D15#030D15
HEX#030D15
RGBrgb(3, 13, 21)
RGB (0–1)0.0118, 0.051, 0.0824
RGB percentages1.2%, 5.1%, 8.2%
HSLhsl(206.7, 75%, 4.7%)
HSV / HSBhsv(206.7, 85.7%, 8.2%)
CMYK85.7%, 38.1%, 0%, 91.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,957
CSS custom property--colour: #030D15;

Brightness & contrast

Relative luminance0.00361WCAG 2.x, 0 is black and 1 is white
Perceived brightness12.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.58:1
Contrast with white19.58:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FCF2EA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#090D15no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#070B15no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#000F10no blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.58:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 6.3Dark slate grey · ΔE 30Dim grey · ΔE 41.5Slate grey · ΔE 49.9Gray · ΔE 50.6Teal · ΔE 53
Nearest named CSS colourBlack (#000000)ΔE 6.3, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#150B03
Analogous#031514, #030415
Triadic#15030D, #0D1503
Split complementary#150304, #151403
Tetradic#140315, #150B03, #041503

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1C7BC7
Lighter +30%#16609B
Lighter +20%#10446E
Lighter +10%#092942
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000D18
Less saturated −25%#060D12

Channel breakdown

R3
G13
B21
Red3 (1.2%)
Green13 (5.1%)
Blue21 (8.2%)
Hue206.67°
Saturation (HSL)75%
Lightness4.71%
Dominant channelBlue
Hex per channelR 03 · G 0D · B 15

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Every value on this page was computed from “030d15” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.

This page is marked noindex: duplicate of /30d15.