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Dice notation

1d8

  • 1d8
  • 1 to 8
  • mean 4.5

Rolling 1d8 gives a total between 1 and 8, with a mean of 4.5 and a standard deviation of 2.2913. There are 8 equally likely ordered outcomes, and the most likely total is 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 at 12.5%.

The canonical address for this page is /1d8.

The roll

Notation1d8
Dice1
Faces per die8
Minimum total1a 1
Maximum total8all 1 dice showing 8
Distinct totals8
Mean4.5n(f + 1)/2 + modifier, exact
Variance5.25n(f² − 1)/12, exact
Standard deviation2.29128785≈

Counting the outcomes

Ordered outcomes88^1, every die distinguishable
Most likely total1 and 2 and 3 and 4 and 5 and 6 and 7 and 8two totals share the peak
Chance of that total12.5%≈
Ways to roll it1exact count
Chance of the minimum12.5%≈1 in 8
Chance of the maximum12.5%≈1 in 8

Probability of each total

Exact counts, by enumeration over every combination.

112.5%
212.5%
312.5%
412.5%
512.5%
612.5%
712.5%
812.5%
112.5%1 way
212.5%1 way
312.5%1 way
412.5%1 way
512.5%1 way
612.5%1 way
712.5%1 way
812.5%1 way

Chance of rolling at least

287.5%≈
375%≈
550%≈
637.5%≈
725%≈

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The same dice, different counts

The same count, different dice

Also reads as

#001D08 (colour)

  • #001D08
  • Green
  • Dark
  • Nearest: Black

#001D08 is a green with RGB values 0, 29, 8 and HSL 137°, 100%, 6%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

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Colour values

#001D08#001D08
HEX#001D08
RGBrgb(0, 29, 8)
RGB (0–1)0, 0.1137, 0.0314
RGB percentages0%, 11.4%, 3.1%
HSLhsl(136.6, 100%, 5.7%)
HSV / HSBhsv(136.6, 100%, 11.4%)
CMYK100%, 0%, 72.4%, 88.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,432
CSS custom property--colour: #001D08;

Brightness & contrast

Relative luminance0.00896WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.81:1
Contrast with white17.81:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FFE2F7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1D1906no red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#191709no green cones; the most common form, about 1% of men; ΔE 13.5 from the original
Tritanopia#001C18no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.81:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 19.2Dark slate grey · ΔE 26.4Dim grey · ΔE 40.3Dark olivegreen · ΔE 40.8Teal · ΔE 45.7Gray · ΔE 48.7
Nearest named CSS colourBlack (#000000)ΔE 19.15, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1D0015
Analogous#061D00, #001D17
Triadic#08001D, #1D0800
Split complementary#17001D, #1D0006
Tetradic#00061D, #1D0015, #1D1700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#00E940
Lighter +30%#00B632
Lighter +20%#008324
Lighter +10%#005016
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001D08
Less saturated −25%#04190A

Channel breakdown

R0
G29
B8
Red0 (0%)
Green29 (11.4%)
Blue8 (3.1%)
Hue136.55°
Saturation (HSL)100%
Lightness5.69%
Dominant channelGreen
Hex per channelR 00 · G 1D · B 08

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Every value on this page was computed from “001d08” by Nerdulator’s games engine. Nothing here was retrieved from a database of answers or written by a model.

This page is marked noindex: duplicate of /1d8.