Dice notation
18d4
- 18d4
- 18 to 72
- mean 45
- mode 45
Rolling 18d4 gives a total between 18 and 72, with a mean of 45 and a standard deviation of 4.7434. There are 68,719,476,736 equally likely ordered outcomes, and the most likely total is 45 at 8.331%.
The roll
Notation18d4
Dice18
Faces per die4
Minimum total18all 18 dice showing 1
Maximum total72all 18 dice showing 4
Distinct totals55
Mean45n(f + 1)/2 + modifier, exact
Variance22.5n(f² − 1)/12, exact
Standard deviation4.74341649≈
Counting the outcomes
Ordered outcomes68,719,476,7364^18, every die distinguishable
Most likely total45
Chance of that total8.330905%≈
Ways to roll it5,724,954,544exact count
Chance of the minimum1.45519152 × 10^-9%≈1 in 68,719,476,736
Chance of the maximum1.45519152 × 10^-9%≈1 in 68,719,476,736
Shape of the distribution
55 distinct totals, too many to list individually.
1st percentile34≈1.281% of rolls are this or lower
5th percentile37≈5.688% of rolls are this or lower
25th percentile42≈30.033% of rolls are this or lower
50th percentile45≈54.165% of rolls are this or lower
75th percentile48≈76.835% of rolls are this or lower
95th percentile53≈96.38% of rolls are this or lower
99th percentile56≈99.292% of rolls are this or lower
Chance of rolling at least
23100%≈
3299.8152%≈
4554.1655%≈
590.1848%≈
670%≈
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
#1188DD (colour)
- #1188DD
- Blue
- Dark
- Nearest: Cornflower blue
#1188DD is a blue with RGB values 17, 136, 221 and HSL 205°, 86%, 47%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.
Colour values
#1188DD#1188DD
HEX#1188DD
HEX (short)#18D
RGBrgb(17, 136, 221)
RGB (0–1)0.0667, 0.5333, 0.8667
RGB percentages6.7%, 53.3%, 86.7%
HSLhsl(205, 85.7%, 46.7%)
HSV / HSBhsv(205, 92.3%, 86.7%)
CMYK92.3%, 38.5%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,149,149
CSS custom property--colour: #1188DD;
Brightness & contrast
Relative luminance0.22948WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.59:1
Contrast with white3.76:1WCAG normal text: Fail
Contrast with black5.59:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#EE7722
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.76:1WCAG large text: AA
Contrast with black, large text5.59:1WCAG large text: AAA
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#DD6611
Analogous#11DDCC, #1122DD
Triadic#DD1188, #88DD11
Split complementary#DD1122, #DDCC11
Tetradic#CC11DD, #DD6611, #22DD11
Tints, shades & saturation
Channel breakdown
R17
G136
B221
Red17 (6.7%)
Green136 (53.3%)
Blue221 (86.7%)
Hue205°
Saturation (HSL)85.71%
Lightness46.67%
Dominant channelBlue
Hex per channelR 11 · G 88 · B DD
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Nerdulate something else
Nothing in mind? Surprise me · today’s page