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Recognised as Dice notation

66d4

  • 66d4
  • 66 to 264
  • mean 165
  • mode 165

Rolling 66d4 gives a total between 66 and 264, with a mean of 165 and a standard deviation of 9.083. There are 5,444,517,870,735,015,415,413,993,718,908,291,383,296 equally likely ordered outcomes, and the most likely total is 165 at 4.381%.

The roll

Notation66d4
Dice66
Faces per die4
Minimum total66all 66 dice showing 1
Maximum total264all 66 dice showing 4
Distinct totals199
Mean165n(f + 1)/2 + modifier, exact
Variance82.5n(f² − 1)/12, exact
Standard deviation9.08295106≈

Counting the outcomes

Ordered outcomes5,444,517,870,735,015,415,413,993,718,908,291,383,2964^66, every die distinguishable
Most likely total165
Chance of that total4.380892%≈
Ways to roll it238,518,452,428,086,427,618,322,368,541,985,396,080exact count
Chance of the minimum1.83670992 × 10^-38%≈1 in 5,444,517,870,735,015,415,413,993,718,908,291,383,296
Chance of the maximum1.83670992 × 10^-38%≈1 in 5,444,517,870,735,015,415,413,993,718,908,291,383,296

Shape of the distribution

199 distinct totals, too many to list individually.

1st percentile144≈1.184% of rolls are this or lower
5th percentile150≈5.518% of rolls are this or lower
25th percentile159≈27.277% of rolls are this or lower
50th percentile165≈52.19% of rolls are this or lower
75th percentile171≈76.253% of rolls are this or lower
95th percentile180≈95.611% of rolls are this or lower
99th percentile186≈99.119% of rolls are this or lower

Chance of rolling at least

86100%≈
116100%≈
16552.1904%≈
2150%≈
2442.8710525 × 10^-19%≈

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The same dice, different counts

The same count, different dice

Also reads as

#6666DD (colour)

  • #6666DD
  • Blue
  • Dark
  • Nearest: Slate blue

#6666DD is a blue with RGB values 102, 102, 221 and HSL 240°, 64%, 63%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

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Colour values

#6666DD#6666DD
HEX#6666DD
HEX (short)#66D
RGBrgb(102, 102, 221)
RGB (0–1)0.4, 0.4, 0.8667
RGB percentages40%, 40%, 86.7%
HSLhsl(240, 63.6%, 63.3%)
HSV / HSBhsv(240, 53.8%, 86.7%)
CMYK53.8%, 53.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,711,005
CSS custom property--colour: #6666DD;

Brightness & contrast

Relative luminance0.17548WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.66:1
Contrast with white4.66:1WCAG normal text: AA
Contrast with black4.51:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#999922

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D79E1no red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#0070DAno green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#2E8198no blue cones; rare, and affects men and women equally; ΔE 65 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.66:1WCAG large text: AAA
Contrast with black, large text4.51:1WCAG large text: AAA

Named colours

Slate blue · ΔE 5.8Royal blue · ΔE 7.9Medium slateblue · ΔE 9.8Medium purple · ΔE 13.1Rebecca purple · ΔE 23.5Dodgerblue · ΔE 25.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 5.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDDD66
Analogous#66A2DD, #A266DD
Triadic#DD6666, #66DD66
Split complementary#DDA266, #A2DD66
Tetradic#DD66A2, #DDDD66, #66DDA2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3E3F9
Lighter +20%#B9B9F0
Lighter +10%#9090E6
Darker −10%#3C3CD4
Darker −20%#2828B5
Darker −30%#1F1F8B
Darker −40%#161661
More saturated +25%#4F4FF4
Less saturated −25%#7D7DC6

Channel breakdown

R102
G102
B221
Red102 (40%)
Green102 (40%)
Blue221 (86.7%)
Hue240°
Saturation (HSL)63.64%
Lightness63.33%
Dominant channelBlue
Hex per channelR 66 · G 66 · B DD

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Every value on this page was computed from “66d4” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.