Dice notation
2d78
- 2d78
- 2 to 156
- mean 79
- mode 79
Rolling 2d78 gives a total between 2 and 156, with a mean of 79 and a standard deviation of 31.8407. There are 6,084 equally likely ordered outcomes, and the most likely total is 79 at 1.282%.
The canonical address for this page is /2d78.
The roll
Notation2d78
Dice2
Faces per die78
Minimum total2all 2 dice showing 1
Maximum total156all 2 dice showing 78
Distinct totals155
Mean79n(f + 1)/2 + modifier, exact
Variance1,013.83333333n(f² − 1)/12, exact
Standard deviation31.84074957≈
Counting the outcomes
Ordered outcomes6,08478^2, every die distinguishable
Most likely total79
Chance of that total1.282051%≈
Ways to roll it78exact count
Chance of the minimum0.01643655%≈1 in 6,084
Chance of the maximum0.01643655%≈1 in 6,084
Shape of the distribution
155 distinct totals, too many to list individually.
1st percentile12≈1.085% of rolls are this or lower
5th percentile26≈5.342% of rolls are this or lower
25th percentile56≈25.312% of rolls are this or lower
50th percentile79≈50.641% of rolls are this or lower
75th percentile102≈75.592% of rolls are this or lower
95th percentile132≈95.069% of rolls are this or lower
99th percentile146≈99.096% of rolls are this or lower
Chance of rolling at least
1798.0276%≈
4187.1795%≈
7950.641%≈
11812.8205%≈
1412.2354%≈
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Also reads as
#002D78 (colour)
- #002D78
- Blue
- Dark
- Nearest: Dark slateblue
#002D78 is a blue with RGB values 0, 45, 120 and HSL 218°, 100%, 24%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.
Colour values
#002D78#002D78
HEX#002D78
RGBrgb(0, 45, 120)
RGB (0–1)0, 0.1765, 0.4706
RGB percentages0%, 17.6%, 47.1%
HSLhsl(217.5, 100%, 23.5%)
HSV / HSBhsv(217.5, 100%, 47.1%)
CMYK100%, 62.5%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,640
CSS custom property--colour: #002D78;
Brightness & contrast
Relative luminance0.03233WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.75:1
Contrast with white12.75:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FFD287
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.75:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail
Named colours
Hue familyblue
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#784B00
Analogous#006978, #0F0078
Triadic#78002D, #2D7800
Split complementary#780F00, #697800
Tetradic#780069, #784B00, #00780F
Tints, shades & saturation
Channel breakdown
R0
G45
B120
Red0 (0%)
Green45 (17.6%)
Blue120 (47.1%)
Hue217.5°
Saturation (HSL)100%
Lightness23.53%
Dominant channelBlue
Hex per channelR 00 · G 2D · B 78
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Harmonies
Similar named colours
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