Dice notation
1d4
- 1d4
- 1 to 4
- mean 2.5
Rolling 1d4 gives a total between 1 and 4, with a mean of 2.5 and a standard deviation of 1.118. There are 4 equally likely ordered outcomes, and the most likely total is 1 or 2 or 3 or 4 at 25%.
The canonical address for this page is /1d4.
The roll
Notation1d4
Dice1
Faces per die4
Minimum total1a 1
Maximum total4all 1 dice showing 4
Distinct totals4
Mean2.5n(f + 1)/2 + modifier, exact
Variance1.25n(f² − 1)/12, exact
Standard deviation1.11803399≈
Counting the outcomes
Ordered outcomes44^1, every die distinguishable
Most likely total1 and 2 and 3 and 4two totals share the peak
Chance of that total25%≈
Ways to roll it1exact count
Chance of the minimum25%≈1 in 4
Chance of the maximum25%≈1 in 4
Probability of each total
Exact counts, by enumeration over every combination.
125%
225%
325%
425%
125%1 way
225%1 way
325%1 way
425%1 way
Chance of rolling at least
1100%≈
275%≈
350%≈
425%≈
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Also reads as
#01D004 (colour)
- #01D004
- Green
- Dark
- Nearest: Limegreen
#01D004 is a green with RGB values 1, 208, 4 and HSL 121°, 99%, 41%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Limegreen.
Colour values
#01D004#01D004
HEX#01D004
RGBrgb(1, 208, 4)
RGB (0–1)0.0039, 0.8157, 0.0157
RGB percentages0.4%, 81.6%, 1.6%
HSLhsl(120.9, 99%, 41%)
HSV / HSBhsv(120.9, 99.5%, 81.6%)
CMYK99.5%, 0%, 98.1%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer118,788
CSS custom property--colour: #01D004;
Brightness & contrast
Relative luminance0.45127WCAG 2.x, 0 is black and 1 is white
Perceived brightness159.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.03:1
Contrast with white2.09:1WCAG normal text: Fail
Contrast with black10.03:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#FE2FFB
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.09:1WCAG large text: Fail
Contrast with black, large text10.03:1WCAG large text: AAA
Named colours
Hue familygreen
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#D001CD
Analogous#65D001, #01D06C
Triadic#0401D0, #D00401
Split complementary#6B01D0, #D00166
Tetradic#0166D0, #D001CD, #D06C01
Tints, shades & saturation
Channel breakdown
R1
G208
B4
Red1 (0.4%)
Green208 (81.6%)
Blue4 (1.6%)
Hue120.87°
Saturation (HSL)99.04%
Lightness40.98%
Dominant channelGreen
Hex per channelR 01 · G D0 · B 04
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Harmonies
Similar named colours
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