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Recognised as Dice notation

21d168

  • 21d168
  • 21 to 3528
  • mean 1,774.5

Rolling 21d168 gives a total between 21 and 3,528, with a mean of 1,774.5 and a standard deviation of 222.2392. There are 53,888,353,728,271,991,081,542,624,148,475,519,058,908,807,168 equally likely ordered outcomes, and the most likely total is 1,774 or 1,775 at 0.178%.

The roll

Notation21d168
Dice21
Faces per die168
Minimum total21all 21 dice showing 1
Maximum total3,528all 21 dice showing 168
Distinct totals3,508
Mean1,774.5n(f + 1)/2 + modifier, exact
Variance49,390.25n(f² − 1)/12, exact
Standard deviation222.23917296≈

Counting the outcomes

Ordered outcomes53,888,353,728,271,991,081,542,624,148,475,519,058,908,807,168168^21, every die distinguishable
Most likely total1,774 and 1,775two totals share the peak
Chance of that total0.178223%≈
Ways to roll it96,041,462,500,499,881,005,552,790,108,148,930,723,589,696exact count
Chance of the minimum1.85568853 × 10^-45%≈1 in 53,888,353,728,271,991,081,542,624,148,475,519,058,908,807,168
Chance of the maximum1.85568853 × 10^-45%≈1 in 53,888,353,728,271,991,081,542,624,148,475,519,058,908,807,168

Shape of the distribution

3,508 distinct totals, too many to list individually.

1st percentile1,261≈1.012% of rolls are this or lower
5th percentile1,409≈5.038% of rolls are this or lower
25th percentile1,624≈25.117% of rolls are this or lower
50th percentile1,774≈50% of rolls are this or lower
75th percentile1,925≈75.026% of rolls are this or lower
95th percentile2,140≈95.009% of rolls are this or lower
99th percentile2,288≈99% of rolls are this or lower

Chance of rolling at least

372100%≈
89899.9978%≈
1,77550%≈
2,6510.0023%≈
3,1771.95770105 × 10^-11%≈

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The same dice, different counts

The same count, different dice

Also reads as

#21D168 (colour)

  • #21D168
  • Green
  • Dark
  • Nearest: Medium spring green

#21D168 is a green with RGB values 33, 209, 104 and HSL 144°, 73%, 47%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium spring green.

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Colour values

#21D168#21D168
HEX#21D168
RGBrgb(33, 209, 104)
RGB (0–1)0.1294, 0.8196, 0.4078
RGB percentages12.9%, 82%, 40.8%
HSLhsl(144.2, 72.7%, 47.5%)
HSV / HSBhsv(144.2, 84.2%, 82%)
CMYK84.2%, 0%, 50.2%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,216,296
CSS custom property--colour: #21D168;

Brightness & contrast

Relative luminance0.46924WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.9 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#A4A4A4
Inverted#DE2E97

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D2BE5Fno red cones; affects about 1% of men; ΔE 60.3 from the original
Deuteranopia#BFB170no green cones; the most common form, about 1% of men; ΔE 60.2 from the original
Tritanopia#00CDB9no blue cones; rare, and affects men and women equally; ΔE 45.8 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

Medium spring green · ΔE 16.6Spring green · ΔE 20.3Limegreen · ΔE 21.4Light green · ΔE 22.1Pale green · ΔE 23.1Medium seagreen · ΔE 24.3
Nearest named CSS colourMedium spring green (#00FA9A)ΔE 16.62, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1218A
Analogous#32D121, #21D1C0
Triadic#6821D1, #D16821
Split complementary#C021D1, #D12132
Tetradic#2132D1, #D1218A, #D1C021

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8F6DB
Lighter +30%#9CEFBD
Lighter +20%#70E8A0
Lighter +10%#44E183
Darker −10%#1AA552
Darker −20%#13793C
Darker −30%#0C4D26
Darker −40%#052110
More saturated +25%#03EF62
Less saturated −25%#3FB36E

Channel breakdown

R33
G209
B104
Red33 (12.9%)
Green209 (82%)
Blue104 (40.8%)
Hue144.2°
Saturation (HSL)72.73%
Lightness47.45%
Dominant channelGreen
Hex per channelR 21 · G D1 · B 68

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Every value on this page was computed from “21d168” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.