Recognised as Dice notation
4d21
- 4d21
- 4 to 84
- mean 44
- mode 44
Rolling 4d21 gives a total between 4 and 84, with a mean of 44 and a standard deviation of 12.1106. There are 194,481 equally likely ordered outcomes, and the most likely total is 44 at 3.178%.
The roll
Notation4d21
Dice4
Faces per die21
Minimum total4all 4 dice showing 1
Maximum total84all 4 dice showing 21
Distinct totals81
Mean44n(f + 1)/2 + modifier, exact
Variance146.66666667n(f² − 1)/12, exact
Standard deviation12.11060142≈
Counting the outcomes
Ordered outcomes194,48121^4, every die distinguishable
Most likely total44
Chance of that total3.178202%≈
Ways to roll it6,181exact count
Chance of the minimum0.00051419%≈1 in 194,481
Chance of the maximum0.00051419%≈1 in 194,481
Shape of the distribution
81 distinct totals, too many to list individually.
1st percentile17≈1.224% of rolls are this or lower
5th percentile24≈5.464% of rolls are this or lower
25th percentile36≈27.481% of rolls are this or lower
50th percentile44≈51.589% of rolls are this or lower
75th percentile52≈75.136% of rolls are this or lower
95th percentile64≈95.447% of rolls are this or lower
99th percentile71≈99.064% of rolls are this or lower
Chance of rolling at least
1299.8303%≈
2495.4469%≈
4451.5891%≈
645.4638%≈
760.2545%≈
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Also reads as
#44DD22 (colour)
- #44DD22
- Green
- Light
- Nearest: Limegreen
#44DD22 is a green with RGB values 68, 221, 34 and HSL 109°, 73%, 50%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Limegreen.
Colour values
#44DD22#44DD22
HEX#44DD22
HEX (short)#4D2
RGBrgb(68, 221, 34)
RGB (0–1)0.2667, 0.8667, 0.1333
RGB percentages26.7%, 86.7%, 13.3%
HSLhsl(109.1, 73.3%, 50%)
HSV / HSBhsv(109.1, 84.6%, 86.7%)
CMYK69.2%, 0%, 84.6%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,513,058
CSS custom property--colour: #44DD22;
Brightness & contrast
Relative luminance0.53057WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.61:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.61:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#BB22DD
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.61:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#BB22DD
Analogous#A1DD22, #22DD5E
Triadic#2244DD, #DD2244
Split complementary#5E22DD, #DD22A2
Tetradic#22A1DD, #BB22DD, #DD5E22
Tints, shades & saturation
Channel breakdown
R68
G221
B34
Red68 (26.7%)
Green221 (86.7%)
Blue34 (13.3%)
Hue109.09°
Saturation (HSL)73.33%
Lightness50%
Dominant channelGreen
Hex per channelR 44 · G DD · B 22
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Harmonies
Similar named colours
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