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Recognised as Dice notation

2d810

  • 2d810
  • 2 to 1620
  • mean 811
  • mode 811

Rolling 2d810 gives a total between 2 and 1,620, with a mean of 811 and a standard deviation of 330.6809. There are 656,100 equally likely ordered outcomes, and the most likely total is 811 at 0.123%.

The canonical address for this page is /2d810.

The roll

Notation2d810
Dice2
Faces per die810
Minimum total2all 2 dice showing 1
Maximum total1,620all 2 dice showing 810
Distinct totals1,619
Mean811n(f + 1)/2 + modifier, exact
Variance109,349.83333333n(f² − 1)/12, exact
Standard deviation330.68086327≈

Counting the outcomes

Ordered outcomes656,100810^2, every die distinguishable
Most likely total811
Chance of that total0.123457%≈
Ways to roll it810exact count
Chance of the minimum0.00015242%≈1 in 656,100
Chance of the maximum0.00015242%≈1 in 656,100

Shape of the distribution

1,619 distinct totals, too many to list individually.

1st percentile116≈1.017% of rolls are this or lower
5th percentile257≈5.014% of rolls are this or lower
25th percentile574≈25.065% of rolls are this or lower
50th percentile811≈50.062% of rolls are this or lower
75th percentile1,048≈75.022% of rolls are this or lower
95th percentile1,365≈95.025% of rolls are this or lower
99th percentile1,506≈99.001% of rolls are this or lower

Chance of rolling at least

16497.9877%≈
40787.4691%≈
81150.0617%≈
1,21612.5309%≈
1,4582.0372%≈

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The same dice, different counts

The same count, different dice

Also reads as

#2D0810 (colour)

  • #2D0810
  • Red
  • Dark
  • Nearest: Black

#2D0810 is a red with RGB values 45, 8, 16 and HSL 347°, 70%, 10%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#2D0810#2D0810
HEX#2D0810
RGBrgb(45, 8, 16)
RGB (0–1)0.1765, 0.0314, 0.0627
RGB percentages17.6%, 3.1%, 6.3%
HSLhsl(347, 69.8%, 10.4%)
HSV / HSBhsv(347, 82.2%, 17.6%)
CMYK0%, 82.2%, 64.4%, 82.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,951,184
CSS custom property--colour: #2D0810;

Brightness & contrast

Relative luminance0.00769WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.2:1
Contrast with white18.2:1WCAG normal text: AAA
Contrast with black1.15:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#D2F7EF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#111110no red cones; affects about 1% of men; ΔE 20.1 from the original
Deuteranopia#1A180Fno green cones; the most common form, about 1% of men; ΔE 20.6 from the original
Tritanopia#32030Bno blue cones; rare, and affects men and women equally; ΔE 5.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.2:1WCAG large text: AAA
Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 21.1Dark slate grey · ΔE 40.3Dim grey · ΔE 42.4Maroon · ΔE 48.3Saddle brown · ΔE 48.6Sienna · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 21.05, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#082D25
Analogous#2D0822, #2D1308
Triadic#102D08, #08102D
Split complementary#082D12, #08222D
Tetradic#232D08, #082D25, #13082D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9284E
Lighter +30%#AF1F3E
Lighter +20%#84172F
Lighter +10%#58101F
Darker −10%#020001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#34010C
Less saturated −25%#260F14

Channel breakdown

R45
G8
B16
Red45 (17.6%)
Green8 (3.1%)
Blue16 (6.3%)
Hue347.03°
Saturation (HSL)69.81%
Lightness10.39%
Dominant channelRed
Hex per channelR 2D · G 08 · B 10

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Every value on this page was computed from “2d0810” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.