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Dice notation

20d280

  • 20d280
  • 20 to 5600
  • mean 2,810
  • mode 2810

Rolling 20d280 gives a total between 20 and 5,600, with a mean of 2,810 and a standard deviation of 361.4761. There are 8,773,252,460,082,343,608,118,253,977,600,000,000,000,000,000,000 equally likely ordered outcomes, and the most likely total is 2,810 at 0.11%.

The roll

Notation20d280
Dice20
Faces per die280
Minimum total20all 20 dice showing 1
Maximum total5,600all 20 dice showing 280
Distinct totals5,581
Mean2,810n(f + 1)/2 + modifier, exact
Variance130,665n(f² − 1)/12, exact
Standard deviation361.47614029≈

Counting the outcomes

Ordered outcomes8,773,252,460,082,343,608,118,253,977,600,000,000,000,000,000,000280^20, every die distinguishable
Most likely total2,810
Chance of that total0.109534%≈
Ways to roll it9,609,688,069,181,644,232,654,619,216,014,835,207,788,821,720exact count
Chance of the minimum1.13982814 × 10^-47%≈1 in 8,773,252,460,082,343,608,118,253,977,600,000,000,000,000,000,000
Chance of the maximum1.13982814 × 10^-47%≈1 in 8,773,252,460,082,343,608,118,253,977,600,000,000,000,000,000,000

Shape of the distribution

5,581 distinct totals, too many to list individually.

1st percentile1,974≈1.002% of rolls are this or lower
5th percentile2,215≈5.015% of rolls are this or lower
25th percentile2,565≈25.077% of rolls are this or lower
50th percentile2,810≈50.055% of rolls are this or lower
75th percentile3,055≈75.01% of rolls are this or lower
95th percentile3,405≈95.014% of rolls are this or lower
99th percentile3,646≈99.006% of rolls are this or lower

Chance of rolling at least

578100%≈
1,41599.9968%≈
2,81050.0548%≈
4,2050.0033%≈
5,0425.81923881 × 10^-11%≈

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The same dice, different counts

The same count, different dice

Also reads as

#20D280 (colour)

  • #20D280
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#20D280 is a cyan with RGB values 32, 210, 128 and HSL 152°, 74%, 47%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

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Colour values

#20D280#20D280
HEX#20D280
RGBrgb(32, 210, 128)
RGB (0–1)0.1255, 0.8235, 0.502
RGB percentages12.5%, 82.4%, 50.2%
HSLhsl(152.4, 73.6%, 47.5%)
HSV / HSBhsv(152.4, 84.8%, 82.4%)
CMYK84.8%, 0%, 39%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,151,040
CSS custom property--colour: #20D280;

Brightness & contrast

Relative luminance0.47959WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.59:1
Contrast with white1.98:1WCAG normal text: Fail
Contrast with black10.59:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#DF2D7F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1C07Ano red cones; affects about 1% of men; ΔE 57.4 from the original
Deuteranopia#BDB286no green cones; the most common form, about 1% of men; ΔE 57.8 from the original
Tritanopia#00D0BDno blue cones; rare, and affects men and women equally; ΔE 34.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.98:1WCAG large text: Fail
Contrast with black, large text10.59:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 16.3Medium spring green · ΔE 16.5Light green · ΔE 20.1Pale green · ΔE 22.2Spring green · ΔE 27.9Aquamarine · ΔE 29.9
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 16.26, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D22072
Analogous#20D227, #20CBD2
Triadic#8020D2, #D28020
Split complementary#D220CB, #D22720
Tetradic#2720D2, #D22072, #CBD220

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7F7E1
Lighter +30%#9BF0C9
Lighter +20%#6FE9B1
Lighter +10%#43E299
Darker −10%#19A665
Darker −20%#13794A
Darker −30%#0C4D2F
Darker −40%#052114
More saturated +25%#02F082
Less saturated −25%#3EB47E

Channel breakdown

R32
G210
B128
Red32 (12.5%)
Green210 (82.4%)
Blue128 (50.2%)
Hue152.36°
Saturation (HSL)73.55%
Lightness47.45%
Dominant channelGreen
Hex per channelR 20 · G D2 · B 80

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Every value on this page was computed from “20d280” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.