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Edit (9/9/2013)
Hey! Just letting you all know that every-now-and-xen made a tutorial for using this Calculator! So if you're having troubles with my wording for it, please check out her tutorial at this [link]! In addition, she also provided a site and a how to for finding the actual color at the end, so please do have a good look there too!

Edit (11/17/12)
OKAY GUYS, HERE'S THE DEAL WITH CONTACTING ME ON TUMBLR, don't send me an ask there about this calculator unless you honestly can't figure something out. Also, if you have a question, check the second link below (which has answers to questions) to see if someone else asked something similar to what you want to ask.

On that note, please realize that I made this OVER A YEAR AGO (back in early 2011) and that NEW INFORMATION has come out since then in the comic and that Hussie has also released information that I never saw. Please don't contact me on tumblr to inform me about Karkat and limebloods or anything. Chances are I know by now, but thing is, I'm not planning on ever updating the calculator (except on an off chance when the comic ends and we have all the information about trolls, but don't get your hopes up).

I haven't really been spammed, but I do get the questions about it on occassion and I do feel like I've answered a couple of the same/similar questions, so. Also I'm not really exactly in the homestuck fandom anymore, so it's a bit weird sometimes to get the questions. I'm not trying to be rude, if you really need help with this, I'm willing to help, but it's still a bit strange and awkward for me.
Thanks for understanding.

Here is my contact on tumblr and the answers page (please don't always expect me to answer instantly, I may actually have real life stuff going on)
Having problems with the calculator? Contact me here -->
And then watch this page for the answer -->…

I rarely get on deviant art anymore, so if you ask me on the journal entry, then I probably won't notice the message for another month! At least if you ask me through my tumblr, I should be able to get to the question within 24 hours!


Hey guys! I've noticed a few people messing up a little bit during calculations and with determining blood color!

When you calculate your sign, If you have FOUR/4 signs, divide by FOUR/4; if you have FIVE/5 signs, divide by FIVE/5!!! You want the average of your signs!

If you end up with a number above 12, then you've messed up in your math somewhere and the above is probably the solution!

And when you go to determine your blood color, don't round the number! if you have a 4.5, then you have a yellow-green blood color, not Nepeta's! (through rounding up)

EDIT: Wow! This sure got popular while I was away from Deviant art!! If anyone is curious as to where I am now, you can check out my tumblr: ! If you could also direct all questions and compliments to my ask box there (with something saying "About the Blood Color Calculator" or something so I know what you're talking about!), then that would be appreciated (seeing as I barely get on dA anymore)!

And I'm actually rather amazed to see that it's gotten this popular! Especially in the last month! I never thought that anyone would find it, especially in my journal!

Also!! Someone left this in the comments:

"To get the exact code for the color, this is a helpful site.…
Just put in the two trolls you fall between, and select three midpoints. One for each one, .25, .5 and .75

Calculate Your Troll Blood Color! (For Homestuck fans~)

I was thinking about this during Anime Club and thought it would be cool to share it (because you can have so many signs that relate to the trolls it turns out!)

1.)First, you need to find out your 4/5 patron trolls (YES! I said 4/5). Here are the ones you need:

     -Star Sign: everyone probably knows their's, so this one's easy!~ If you don't, it's not hard to look up.

     -Moon Sign: use this… to calculate it. (in all honesty, I played around with it and hour/minute doesn't really matter). You have to scroll down after you hit [Calculate Moon Sign].

     -13 Zodiac Sign: you know the new zodiac with Orphiuchetus (or whatever it's called)? Get your sign from that.

     -Chinese Zodiac Sign: I lined the Star Signs and Chinese Zodiac next to each other in the order scientists/astrologers put them in, now you need this (here's my cheat sheet ovo):
-Rat = Aries
-Ox = Taurus
-Tiger = Gemini
-Rabbit = Cancer
-Dragon = Leo
-Snake = Virgo
-Horse = Libra
-Goat = Scorpio
-Monkey = Sagittarius
-Rooster = Capricorn
-Dog = Aquarius
-Pig = Pieces
Please note that if you have a birthday in January/Febuary, you'll probably have TWO (2!!) signs for this, due to Western New Year and Chinese New Year (you'll  have to look up the day of Chinese New Year for your birth year though, for it changes yearly (but it's ALWAYS in Febuary))

2.)Now it's time to calculate, the following chart assigns a number value to each sign based on HEMOSPECTRUM order (so Karkat will be first), though it basically still follows Zodiac order. You will add all 4/5 of your values together and then find the average of them by dividing by the number of signs you have (if you have 4 signs; divide by 4, if you have 5 signs; divide by 5).
                -Cancer (Karkat) = 1
                -Aries (Aradia) = 2
                -Taurus (Tavros) = 3
                -Gemini (Sollux) = 4
                -Leo (Nepeta) = 5
                -Virgo (Kanaya) = 6
                -Libra (Terezi) = 7
                -Scorpio (Vriska) = 8
                -Oriphiuchus (n/a) = 8.5
                -Sagittarius (Equius) = 9
                -Capricorn (Gamzee) = 10
                -Aquarius (Eridan) = 11
                -Pieces (Feferi) = 12

3.)Once you get your average, then look at the chart above and compare the number value you get to the numbers of each character (though ignore Oriphiuchus, there is no character for it and therefore no blood color). Where ever you're number falls in comparison is where your troll blood color is, though it's not perfect and can be various hues where you are (for example, a 4.5 could be barf green or lime green/yellow-green)

Here's my calculation as an example:
-Star Sign: Pieces/Feferi (12)
-Moon Sign: Aries/Aradia (2)
-13 Zodiac: Pieces/Feferi (12)
-Chinese: Dog/Eridan (11)
37/4 = 9.25

Landtroll or Seatroll?!: if you end up with a number between 10 and 11, you maybe a bit confused by where you dwell. well, if it is 10.5 or higher then you are a seadwellar and 10.499999...etc. means you're still a landdwerllar!

Be sure to post your results! Here's a little fill in you can do when you post :) :

-Star Sign:
-Moon Sign:
-13 Zodiac:

-Blood Color:

If you have any problems understanding anything, just let me know~ :)
  • Listening to: I'll Be Your Man (James Blunt)
  • Watching: you 0u0
  • Eating: Math Homework
Add a Comment:
3L3M3NTAL-BLAD3 Featured By Owner Jun 5, 2017  Hobbyist General Artist
I wnat to to know what a star sign is and a moon sign and a 13 zodiac I know my Chinese sign I need explaining 
OribieNoDesuka Featured By Owner Edited Apr 12, 2017  Student General Artist
Star Sign:  Sagittarius  (9)
Moon Sign:  Aquarius  (11)
13 Zodiac:  Scorpio  (8)
Chinese:  Pig = Pieces  (12)

Blood color: Purple (Gamzee)

It seems that I'm very high 8D
MisterAngelface Featured By Owner Feb 28, 2017
Star Sign: Virgo (6)
Moon Sign: Leo (5)
13 Zodiac: Virgo (6)
Chinese: Horse (7)

Blood Color: Jade
SeventeenTimes Featured By Owner Feb 1, 2017
-Star sign: Sagittarius/Equis (9)
-Moon sign: Cancer/Karkat (1)
-13 Zodiac: Oriphiuchus (8.5)
-Chinese: Goat/Scorpio (8)
9+1+8.5+8= 26.6/4= 6.6
-Blood Color: Teal? Jade?
PokemonSonic32 Featured By Owner Jan 29, 2017
-Star Sign: Aquarius/Eridan (11)
-Moon Sign: Cancer/Karkat (1)
-13 Zodiac: Aquarius/Eridan (11)
-Chinese: Dragon/Nepeta (5)

-Blood Color: Teal(?)
Murkley-NEWSC Featured By Owner Jan 29, 2017
-Star Sign: Cancer- 1
-Moon Sign: Cancer- 1
13 Zodiac: Gemini- 4
-Chinese: Goat (Scorpio)- 8

1+1+4+8= 14
14/4= 3.5
3.5 rounded is 4
-Blood Colour: Yellow

BreadOfPain Featured By Owner Jan 26, 2017  Hobbyist General Artist
-Star Sign: Aries- 2
-Moon Sign: Capricorn- 10
-13 Zodiac: Pisces- 12
-Chinese: Tiger- 3

27 / 4 = 6.75
-Blood Color: Teal
Fnaf-Reacts-Kassie Featured By Owner Edited Jan 7, 2017  Hobbyist General Artist
-Star Sign: Leo (Nepeta) - 5
-Moon Sign: Aries (Aradia) - 2
-13th zodiac: Leo (Nepeta) - 5
-Chinese Zodiac: Virgo (Kanaya) - 6

LeoVincentGames Featured By Owner Dec 16, 2016  Student General Artist
if i get 7.5 what does that mean?
numbers were
Fnaf-Reacts-Kassie Featured By Owner Jan 7, 2017  Hobbyist General Artist
I believe that means you are a cerulean blood.
HoodedSteph Featured By Owner Edited Dec 12, 2016  Hobbyist General Artist
.. The chinese star signs work per year and not per month... That's the deal with it... Like, I am snake. But I am Saggitarius. 2001 is my birth year.

Edit: Nvm I only derped
CarrotsAndCucumbers Featured By Owner Nov 6, 2016  Student General Artist
-Sun / Star : Virgo ( Kanaya ) - 6
- Moon Sign : Capricorn ( Gamzee ) - 10
- 13 zodiac : Leo ( Nepeta ) - 5
- Chinese : Sagittarius - Equius - 9

6+10+5+9= 30

30/4 = 7.4 ( Terezi )

Really? I was expecting to be Sollux ( or Tavros ).
CarrotsAndCucumbers Featured By Owner Nov 6, 2016  Student General Artist
Orphiuchetus ? I think you mean Ophiuchus.
Caney652 Featured By Owner Oct 14, 2016
-Star Sign: Leo (Nepeta) - 5
-Moon Sign: Pisces (Feferi) - 12
-13 Zodiac: Cancer (Karkat) - 1
-Chinese: Virgo (Kanaya) - 6

24/4 = 6

So I'm a jade blood... Good enough
VillieTheDJ Featured By Owner Oct 1, 2016  Hobbyist General Artist
I got 8.5 so I have a choice between Scorpio and Sagittarius I guess ^'
Royal-Madness Featured By Owner Edited Sep 15, 2016   Artist
star sign: Libra (terezi) - 7
moon sign: Taurus (Tavros) - 3
13 zodiac: Virgo (Kanaya) - 6
chinese zodiac: ox (Tavros)- 3

got 4.75 not sure where i would fall though but it would be a little more green than yellow though so like an olive somewhat like nepeta
prillepared Featured By Owner Sep 14, 2016  Hobbyist General Artist
Star sign: Capricorn (Gamzee) - 10
Moon sign: Virgo (Kanaya) - 6
13 Zodiac: Sagittarius (Equius) - 9
Chinese: Horse (Terezi) - 7
10 + 6 + 9 + 7 = 32
32 / 4 = 8
vriska apparently
grr whenever i take these i get that. i want to be a violet blood though. fuck
Leoustic Featured By Owner Jul 6, 2016  Hobbyist Digital Artist
Star sign: Sagittaruis (Equius) - 9
Moon sign: Scorpio (Vriska) - 8
13 zodiac: Ophiuchus (Calliope/Caliborn? Although they arent trolls) - 8.5
Chinese: Horse (Terezi) - 7
9 + 8 + 8.5 + 7 = 32.5. 32.5 / 4 = 8.125

Vriska blood!
WitchesGoGo Featured By Owner Jul 5, 2016  Hobbyist
- Star Sign = Taurus(Tavros) ~ 3
- Moon Sign = Sagittarius(Equius) ~ 9
- 13 zodiac = Taurus(Tavros) ~ 3
- Chinese = Goat(Vriska) ~ 8
Exactly Jade Blood!
At first, i thought it gonna be Olive :в
TheLostKooper Featured By Owner Apr 25, 2016  Hobbyist Digital Artist
maximumlife8521 Featured By Owner Apr 17, 2016  Hobbyist General Artist
-Star Sign: Aries, (Aradia)-2
-Moon Sign: Aries, (Aradia)-2
-13 Zodiac: Pisces, (Feferi)-12
-Chinese: Horse, Libra, (Terezi)-7
2+2+12+7/4= 5.75
Jade blooded Kanaya!!!
-Star Sign: Pisces/Feferi-12 
-Moon Sign: Sagittarius/Equius-9
-13 Zodiac: Aquarius/Eridan- 11
-Chinese: Pig/Pisces/Feferi-12
12+9+11+12= 44/4=11
-Blood Color: Violet
GloomyMagica Featured By Owner Feb 14, 2016  Hobbyist General Artist
-Star Sign: Virgo (Kanaya, 6)
-Moon Sign: Pisces (Feferi, 12)
-13 Zodiac: Leo (Nepeta, 5)
-Chinese: Rabbit, Cancer (Karkat, 1)
24/4= 6
-Blood Color:Jade Green

So I was a jade blood all along :D
ThanatosRune07 Featured By Owner Jan 25, 2016  Student Traditional Artist
-Star Sign: Virgo (Kanya) = 6
-Moon Sign: Taurus (Tavros) = 3
-13 Zodiac: Leo (Nepeta) = 5
-Chinese: Scorpio (Vriska)= 8
22/4 = 5.5 which rounds to 6.

Blood Color: Jade
TimedRogue Featured By Owner Dec 31, 2015  Student Digital Artist
-Star Sign:  Sagittarius (Equius) = 9
-Moon Sign:  Capricorn (Gamzee) = 10
-13 Zodiac:  Scorpio (Vriska) = 8
-Chinese:  Gemini (Sollux) = 4 
7.75 =
Vriska's blood then due to rounding up?
SpookyDJ Featured By Owner Dec 3, 2015  Hobbyist General Artist
Well, technically your patron troll isn't necessarily your zodiac troll.
I'm in a cusp for the original zodiac, which is Scorpio/Sagittarius, and my patron troll turned out to be Gamzee.
But, otherwise, cool formula!
oops-i-killed-it Featured By Owner Nov 23, 2015  Hobbyist Digital Artist
Star Sign: Aquarius-11
Moon Sign: Pisces-12
13 Zodiac: Capricorn-10
Chinese Zodiac: Gemini (Tiger)-4

We are the same!
Tanzanite23 Featured By Owner Edited Nov 21, 2015  Hobbyist Digital Artist
Star Sign: Taurus(Tavros)- 3
Moon Sign: Pisces(Feferi)- 12
13 Zodiac: Aries(Aradia)- 2
Chinese Zodiac: Libra (Terezi)-7

24/7 = 6

Blood Colour: Jade (Kanaya) 

oh well atleast i got my favorite troll
Cinnalax Featured By Owner Nov 8, 2015
This calculator is amazing! Thank you for building it :D (Big Grin) 

Star Sign- Aries (Aradia) 2
Moon Sign- Libra (Terezi) 7
13 Zodiac- Pieces (Feferi) 12
Chinese- Aries (Rat) 2

I think divided by 4 it's 5.75? I used a calculator because I'm lazy.

The results if I'm right are some kind of green? 
TheAnimedDreamer Featured By Owner Oct 1, 2015  Hobbyist General Artist
Star sign- Libra 7
Moon sign- Scorpio 8 
13 zodiac - virgo 6
Chinese- horse (Libra) 7

28/4 = 7

Teal I figured as much 
italianatti Featured By Owner Sep 15, 2015  Hobbyist General Artist
-Star Sign: Virgo (Kanaya) 6
-Moon Sign: Aries (Aradia) 2 -I swear this changes every time I do a calculator, but I enter the same stuff ?? whatever-
-13 Zodiac: Leo (Nepeta) 5
-Chinese: Snake/Virgo (Kanaya) 6

19/4 -> 4.75

-Blood Color: Green Yellow
oh okay
so like a yellowish green k
Arthly Featured By Owner Aug 13, 2015
Star sign: Aquarius/Pisces (Cups)
Moon Sign: Capricorn
13 Zodiac: Aquarius
Chinese: Snake
Blood color: 10

So I would be a Highblood and Landtroll ! And the same blood color as gamzee, haha, haha... My sanity... ;_;
Saurasapien Featured By Owner Aug 5, 2015  Hobbyist General Artist
-Star Sign: Sagittarius
-Moon Sign: Cancer
-13 Zodiac: Sagittarius
-Chinese: Dog (Aquarius)

-Blood Color: 7.5- Blue (barely)

I have a feeling my Moon Sign messed my results up a little. XD It's cool though, I think it would technically round up to Vriska Blue (one of my faves.) :)
Rurjio Featured By Owner Aug 2, 2015
So I got 8.6, and I don't know what to do anymore. Am I a unknown blood or blue blood?""
slothicity Featured By Owner Jul 11, 2015  Student General Artist
Here's mine:

Star Sign: Taurus/Tavros
Moon Sign: Sagittarius/Equius
13 Zodiac: Aries/Aradia
Chinese: Horse/Terezi


Blood Color: So Olive blood with a tiny tint of Jade??? I dunno xD.
AxewChao Featured By Owner Jul 6, 2015
-Star Sign: Gemini/Sollux, 4
-Moon Sign: Aries/Aradia, 2
-13 Zodiac: Taurus/Tavros, 3
-Chinese: Tiger/Sollux, 4

4+2+3+4= 13
13/4= 3.25

Blood Color: Brown, I guess??
DeltAuthor Featured By Owner Jul 2, 2015  Hobbyist Writer
-Star Sign: Aries/Aradia, 2
-Moon Sign: Capricorn/Gamzee, 10
-13 Zodiac: Pisces/Feferi, 12
-Chinese: Scorpio/Vriska, 8

-Blood Color: 8, Cerulean/Cobalt. (Vriska)
meowmart01 Featured By Owner Jun 29, 2015  Hobbyist General Artist
Star sign: Not completely sure, I was born on the Winter Solstice, so it could be Capricorn/Gamzee, but it could also be Sagittarius/Equius. (9/10?)
Moon sign: Cancer/Karkat (1)
13 Zodiac: Sagittarius/Equius (9)
Chinese Zodiac: Horse/Libra/Terezi (7)

C/G Blood Color: 10+1+9+7= 27/4= 6.75
S/E Blood Color: 9+1+9+7= 26/4= 6.5

So somewhere between Kanaya and Terezi, but closer to Terezi.
asinineArSoN Featured By Owner Jun 28, 2015  Hobbyist General Artist
-Star Sign: pisces/Feferi (12)
-Moon Sign: Sag/Equius (9)
-13 Zodiac: pisces/Feferi(12)
-Chinese: horse/libra/Terezi (7)

-Blood Color: 12 +12 = 24 + 9 = 33 + 7 = 40
40 d/b 4 is 10
So I'm a purple blood landdweller!
The ironic thing is I dislike Gamzee greatly. XD

Quixe Featured By Owner Jun 10, 2015  Hobbyist Traditional Artist
Star Sign: Taurus/Tavros - 3
Moon Sign: Pisces/Feferi - 12
13 Zodiac: Aries/Aradia - 2
Chinese Zodiac: Libra/Terezi - 7

24/7 = 6

Blood Colour: Jade (Kanaya)

^u^ Awesome 
faeryhond Featured By Owner Jun 2, 2015
-Star Sign: Capricorn - 10 (Gamzee)
-Moon Sign: Libra - 7 (Terezi)
-13 Zodiac: Sagittarius - 9 (Equius)
-Chinese: Cancer - 1 (Karkat)

= 27 / 4 = 6.75

-Blood Color: ???
NeferiMakara Featured By Owner May 25, 2015
Star sign: Capricorn, 10
Moon sign: Virgo, 6
13 Zodiac sign: Sagittarius, 9
Chinese Zodiac Sign: Dragon, Leo, 5
30/4= 7,5

What does that make me? :?
Quixe Featured By Owner Jun 10, 2015  Hobbyist Traditional Artist
This is definitely a little late, but it would make you a Cerulean blood, or something in between for hues. c: This is because 7.5 = 8, because you'd round, just like the creator of this test/calculator gave an example of. 

"if you end up with a number between 10 and 11, you maybe a bit confused by where you dwell. well, if it is 10.5or higher then you are a seadwellar and 10.499999...etc. means you're still a landdweller"

But you also have to look at: "
though it's not perfect and can be various hues where you are (for example, a 4.5 could be barf green or lime green/yellow-green)"

So as I said, it might be something in between the hues of Teal and Cerulean, but because it's 7.5 and not something like 7.4 or 7.3, you'd still be considered a cerulean blood. 
NeferiMakara Featured By Owner Jul 6, 2015
Okay! Thanks! :D
argenticNocturne Featured By Owner May 24, 2015  Student General Artist
Star: Cancer/Karkat; Moon: Scorpio/Vriska, 13 Zodiac: Gemini/Sollux, Chinese: Dragon/Nepeta

4.5. Limeblood, hmm. Interesting!!
GidragAnton Featured By Owner May 24, 2015
Star Sign: Capricorn/Gamzee (10)
Moon Sign: Libra/Terezi (7)
13 Zodiac: Sagittarius/Equius (9)
Chinese: Sagittarius/Equius (9) & Capricorn/Gamzee (10)

Blood colour: 9 (Equius's Royal Blue)
multisverse Featured By Owner May 11, 2015  Hobbyist General Artist
-Star Sign: Gemini
-Moon Sign: Virgo
-13 Zodiac: Taurus 
-Chinese: Sheep(scorpio)

-Blood Color: Olive! 
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