Recognised as Dice notation
9d9
- 9d9
- 9 to 81
- mean 45
- mode 45
Rolling 9d9 gives a total between 9 and 81, with a mean of 45 and a standard deviation of 7.746. There are 387,420,489 equally likely ordered outcomes, and the most likely total is 45 at 5.062%.
The roll
Notation9d9
Dice9
Faces per die9
Minimum total9all 9 dice showing 1
Maximum total81all 9 dice showing 9
Distinct totals73
Mean45n(f + 1)/2 + modifier, exact
Variance60n(f² − 1)/12, exact
Standard deviation7.74596669≈
Counting the outcomes
Ordered outcomes387,420,4899^9, every die distinguishable
Most likely total45
Chance of that total5.061744%≈
Ways to roll it19,610,233exact count
Chance of the minimum2.58117479 × 10^-7%≈1 in 387,420,489
Chance of the maximum2.58117479 × 10^-7%≈1 in 387,420,489
Shape of the distribution
73 distinct totals, too many to list individually.
1st percentile27≈1.097% of rolls are this or lower
5th percentile32≈5.36% of rolls are this or lower
25th percentile40≈28.353% of rolls are this or lower
50th percentile45≈52.531% of rolls are this or lower
75th percentile50≈75.811% of rolls are this or lower
95th percentile58≈95.945% of rolls are this or lower
99th percentile63≈99.25% of rolls are this or lower
Chance of rolling at least
1699.9987%≈
2799.25%≈
4552.5309%≈
631.0968%≈
740.003%≈
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Also reads as
#99DD99 (colour)
- #99DD99
- Green
- Light
- Nearest: Light green
#99DD99 is a green with RGB values 153, 221, 153 and HSL 120°, 50%, 73%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Light green.
Colour values
#99DD99#99DD99
HEX#99DD99
HEX (short)#9D9
RGBrgb(153, 221, 153)
RGB (0–1)0.6, 0.8667, 0.6
RGB percentages60%, 86.7%, 60%
HSLhsl(120, 50%, 73.3%)
HSV / HSBhsv(120, 30.8%, 86.7%)
CMYK30.8%, 0%, 30.8%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,083,737
CSS custom property--colour: #99DD99;
Brightness & contrast
Relative luminance0.60785WCAG 2.x, 0 is black and 1 is white
Perceived brightness195.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.16:1
Contrast with white1.6:1WCAG normal text: Fail
Contrast with black13.16:1WCAG normal text: AAA
Greyscale equivalent#CACACA
Inverted#662266
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.6:1WCAG large text: Fail
Contrast with black, large text13.16:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#DD99DD
Analogous#BBDD99, #99DDBB
Triadic#9999DD, #DD9999
Split complementary#BB99DD, #DD99BB
Tetradic#99BBDD, #DD99DD, #DDBB99
Tints, shades & saturation
Channel breakdown
R153
G221
B153
Red153 (60%)
Green221 (86.7%)
Blue153 (60%)
Hue120°
Saturation (HSL)50%
Lightness73.33%
Dominant channelGreen
Hex per channelR 99 · G DD · B 99
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Harmonies
Similar named colours
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