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Recognised as Dice notation

21d5

  • 21d5
  • 21 to 105
  • mean 63
  • mode 63

Rolling 21d5 gives a total between 21 and 105, with a mean of 63 and a standard deviation of 6.4807. There are 476,837,158,203,125 equally likely ordered outcomes, and the most likely total is 63 at 6.108%.

The canonical address for this page is /21d5.

The roll

Notation21d5
Dice21
Faces per die5
Minimum total21all 21 dice showing 1
Maximum total105all 21 dice showing 5
Distinct totals85
Mean63n(f + 1)/2 + modifier, exact
Variance42n(f² − 1)/12, exact
Standard deviation6.4807407≈

Counting the outcomes

Ordered outcomes476,837,158,203,1255^21, every die distinguishable
Most likely total63
Chance of that total6.108083%≈
Ways to roll it29,125,608,152,345exact count
Chance of the minimum2.097152 × 10^-13%≈1 in 476,837,158,203,125
Chance of the maximum2.097152 × 10^-13%≈1 in 476,837,158,203,125

Shape of the distribution

85 distinct totals, too many to list individually.

1st percentile48≈1.216% of rolls are this or lower
5th percentile52≈5.26% of rolls are this or lower
25th percentile59≈29.571% of rolls are this or lower
50th percentile63≈53.054% of rolls are this or lower
75th percentile67≈75.506% of rolls are this or lower
95th percentile74≈96.221% of rolls are this or lower
99th percentile78≈99.207% of rolls are this or lower

Chance of rolling at least

29100%≈
4299.9661%≈
6353.054%≈
840.0618%≈
978.91214312 × 10^-7%≈

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The same dice, different counts

The same count, different dice

Also reads as

#021D05 (colour)

  • #021D05
  • Green
  • Dark
  • Nearest: Black

#021D05 is a green with RGB values 2, 29, 5 and HSL 127°, 87%, 6%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#021D05#021D05
HEX#021D05
RGBrgb(2, 29, 5)
RGB (0–1)0.0078, 0.1137, 0.0196
RGB percentages0.8%, 11.4%, 2%
HSLhsl(126.7, 87.1%, 6.1%)
HSV / HSBhsv(126.7, 93.1%, 11.4%)
CMYK93.1%, 0%, 82.8%, 88.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer138,501
CSS custom property--colour: #021D05;

Brightness & contrast

Relative luminance0.00903WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.79:1
Contrast with white17.79:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#FDE2FA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1903no red cones; affects about 1% of men; ΔE 14 from the original
Deuteranopia#1A1707no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#001C18no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.79:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 19.7Dark slate grey · ΔE 27Dark olivegreen · ΔE 40.1Dim grey · ΔE 40.5Teal · ΔE 46.2Gray · ΔE 48.9
Nearest named CSS colourBlack (#000000)ΔE 19.72, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1D021A
Analogous#0C1D02, #021D13
Triadic#05021D, #1D0502
Split complementary#13021D, #1D020C
Tetradic#020C1D, #1D021A, #1D1302

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0FDC26
Lighter +30%#0CAC1E
Lighter +20%#097C15
Lighter +10%#054D0D
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001F03
Less saturated −25%#061908

Channel breakdown

R2
G29
B5
Red2 (0.8%)
Green29 (11.4%)
Blue5 (2%)
Hue126.67°
Saturation (HSL)87.1%
Lightness6.08%
Dominant channelGreen
Hex per channelR 02 · G 1D · B 05

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Every value on this page was computed from “021d05” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.