Design Guide
Birdcatcher Spots (Common)
Category: Oddities
Overview:
- Presents as small white spots dispersed around the body.
- Should be small and sparse, not to exceed approximately the size of the pupil.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Flecked (Common)
Category: Oddities
Overview:
- Causes small, dark freckle-like spots to cluster along the curves of the body.
- Spots should be a few shades darker than the coat beneath, but not overly dark.
- Requires spots to be individually distinct (no patches), same opacity, and have a clear area of concentration.
- Should not be strewn randomly across the body, perfectly evenly spaced, all exactly the same size, or extremely sparse.
- Flecked should be most dense along the curve, and have some stray spots spreading from there to create a density gradient.
- Clusters should create an elongated curved shape, not a circle, swirl, or other design.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Acceptable Range/Areas:
- Chart below shows acceptable areas of effect.
- The lines drawn are intended to give a vague idea of the flow/shape, but are not precise limits.
- Clusters should not be in other areas (i.e. legs), but can vary a bit within the areas given.

Range:
- Minimum:
- One small cluster of spots in any acceptable area.
- There should be enough spots to clearly indicate a clustered area of effect, not just one or two random spots.
- Maximum:
- One cluster of spots on the head and two clusters of spots on the body.
- Body clusters may join two areas together if adjacent, but shouldn't branch across the whole body.
Halo (Common)
Category: Oddities
Overview:
- Causes markings to partially "fail," producing an extended mapping effect (low-opacity white around the marking).
- Mapping should represent a correct placement of the marking, but with solid white not fully coming out to the edges.
- Halo may affect some or all of the markings, including natural white, but should still leave a significant amount of solid white in each area (i.e. no areas that are fully just low-opacity / mapping).
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Interactions:
- Halo interacts with Patchwork to cause low-opacity mapping that shows the Patchwork coat rather than being low-opacity white.
- When paired with Marbled, all Halo mapping will become dark instead of low-opacity.
Gemstone (Common)
Category: Oddities
Overview:
- Causes the eyes to be any non-greyscale color. They must have a noticeable hue, and cannot contain more than two colors.
- Bicolored gemstone presents like Heterochromia but doesn't have to be blue; first color goes on as normal, then a second color may fully color an eye and/or cause patches in one or both.
Interactions:
- Rift: When paired with Rift, the eye color must be light/pale, with a typical blind pupil for Rift.
- Reaper: When paired with Reaper, the sclera (eye white) will turn black, while the iris will be affected by Gemstone.

Vitiligo (Common)
Category: Oddities
Overview:
- Vitiligo causes spotted white pigment that originates from the mouth/nose, eyes, armpit, and groin.
- Spots should be small and numerous, and will be pink in skin areas (nose/mouth/eyes/groin).
- May cause some stray spots on the body as well, but should be very sparse.
- Mane/Tail: No effect
- Skin: Pink where touching.
- Eyes: No effect
Masked (Common)
Category: Oddities
Overview:
- Causes the head to be the same color or slightly darker than the darkest point of the coat.
- Should not be overly dark in comparison to the coat color, and should follow similar levels of saturation.
- Must cover at least the area from poll to eyes, eyes to nostril, and nostril to chin.
- Edges should be blended out, not solid.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Plumage (Common)
Category: Oddities
Overview:
- Causes the appearance of feathering on the neck.
- Markings may be slightly lighter or slightly darker than the coat below them.
- Should mostly consist of curved/scalloped markings (1-3 "bumps"), but may also have some spots, especially at the top and bottom.
- Must cover most/all of the neck, from behind the ears to the shoulder line. May taper off slightly at the end.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Chimera (Uncommon)
Category: Oddities
Overview:
- Causes patches of another color on the coat, according to the specifications below.
- On foals, Chimera may be anything genetically possible from the parents. In breedings, it is automatically rolled for color.
- On imports, Chimera is based on the main phenotype. You may remove genes found in the base pheno, switch the base color (e/a genes), and add up to 1 natural marking/modifier.
- Rapunzel, oddities, and carried genes are not listed in the Chimera pheno.
- Ranges in size and shape of coverage, but should be no smaller than the hoof and no larger than half of each separate side of the body.
- Each area of coverage should be a distinct patch, not striping/brindling, a geometric/special shape, etc. Edges are somewhat irregular.
- May have up to 3 different patches total. Each should have a main area of concentration, not branch all the way across the body.
- Markings should not line up perfectly at the edges between base coat and Chimera patches. This includes continuous stripes, white markings, etc.
- Chimera and Patchwork cannot exist on the same horse.
- Effect on Mane/Tail:
- Neck patches should continue into the mane.
- If a Chimera patch covers the dock of the tail, the tail must be affected (partial or full coverage).
- If no patch is present at the dock of the tail, up to half of the tail can optionally be affected by Chimera on its own.
Interactions:
- Oddities* found on the base coat may also show on the Chimera coat without being in the Chimera pheno.
- *This excludes Chimera/Patchwork itself. To add an additional layer of Chimera inside the existing Chimera patches, you'll need to use a Tornado item.
Range:
- Minimum: One visible patch at least as large as the hoof.
- Maximum: Three patches on the body and one patch in the tail.
Brindle (Uncommon)
Category: Oddities
Overview:
- Brindle may be present on some or all of the body.
- Can be darker than the base (normal) or light/white ("Reverse Brindle")
- Stripes should be relatively thin and textured, not to resemble zebra striping, primitive dun/bengal, etc.
- Stripes should follow the flow/curves of the body, not be perfectly straight nor overly curvy/swirled.
- Thickness will vary and ends should taper.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Rift (Uncommon)
Category: Oddities
Overview:
- Causes a dark marking with striped edges that runs from the topline to the underside.
- Marking shape should be a smooth line from end to end, not be jagged, peaked, or double back on itself.
- Edges of the marking should be striped/brindled, following the flow of the marking and staying close to edge.
- Markings will start and end at the same place on both sides of the horse, and should thus be fairly symmetrical.
- Rift will always be darker than the darkest point of the base coat, including areas hidden by white.
- Head Markings:
- Should start in the green area of the chart on the right, and end somewhere in the red.
- Must cross at least half of the eye, and should not be wider than about 1/3 of the head length.
- Body Markings:
- Should start in the blue area of the chart, and end in the orange. Should not be wider than the length of the head.
- If marking reaches the legs, it can either cover the entirety of the leg or end diagonally/horizontally (should not "split" leg vertically).

- Mane/Tail: No effect
- Skin: Darkens the skin where crossing if Rift is black, otherwise keeps normal skin color
- Eyes: Causes blindness; should be pale blue* with the pupil lowered in opacity.
- *When Gemstone is present, eye may be any pale shade, but should still be blind.
- When accompanied by Grey, it will desaturate as the coat does, but may or may not lighten.
Range:
- Minimum:
- One marking on either the head or body.
- Blind eyes.
- Maximum:
- One marking on the head.
- One marking on the body.
- Blind eyes.
Marbled (Uncommon)
Category: Oddities
Overview:
- Inspired by African Wild Dogs, Marbled causes the mapping around white markings to become dark instead.
- The border can be fairly uniform in thickness or can vary.
- Marbled must be noticeably darker than all areas of the coat that it crosses, and should be one solid color throughout.
- Affects everything listed under "White Markings" on the Visual Hierarchy page, with the following exceptions:
- Marbled acts on solid edges ONLY. it will not border powdery/blended textures like Rabicano, Varnish Roan, or some Sabinos.
- When paired with Halo, the Marbled color will take over the entire Halo coverage, making all extended mapping dark.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Capensis (Uncommon)
Category: Oddities
Overview:
- Lightened marking that presents on the muzzle, over the eye, and optionally along the centerline of each side of the body.
- Each section should be clearly tapered/sharp. The longer a section is, the wider it should be in the middle.
- Markings should always flow in the following ways/directions:
- Muzzle - tapers between nostril and mouth, pointing toward inner eye corner.
- Eye - follows the top of the eye (should not wrap around underside), tapering out toward the neck.
- Neck/Body - follows the flow of the body, curving especially noticeably on the shoulder and hindquarters.
- Mane/Tail: No effect
- Skin:
- Muzzle skin is tinted pink. On dark skin, it becomes a desaturated dark pink, only slightly lighter than the skin below it. On skin that is already pink, it becomes a slightly lighter shade of pink.
- Eye skin is unaffected by Capensis, and will remain the same color as the base already causes.
- Eyes: Causes orange or gold (may have slight peachy hue).
Range:
- Minimum:
- Muzzle marking that crosses between the nostrils and under the chin. Taper should reach at least halfway between nostril and eye. Muzzle spots are optional, but may be present.
- Eye marking that lines the top of the eye, big enough to be clearly visible with a slight "wing" at the outer corner.
- Maximum:
- Muzzle marking that crosses just over the top of the nostrils and covers the entire chin. May connect to eye marking.
- Eye marking covers everything but the underside, tapering out to the edge of the jaw.
- Stripe that follows the center of the body, broken into at least two segments, but no more than four.
Wulf (Rare)
Category: Oddities
Overview:
- Causes an overgrowth of hair. The mane does not shed out at one year, instead growing fuller and longer.
- The coat also becomes distinctly more fluffy, often with tufts of fluff/feathering at the fetlocks, jaw/chin, and underside of barrel.
- Can be minimal overall (mane only, with little body fluff) or very significant (long feathering/shaggy appearance), but does not change the build of the horse to become more draft-like; should still retain the same body type, just with extra hair.
Patchwork (Rare)
Category: Oddities
Overview:
- Causes the secondary phenotype to display in the areas where all white markings would be.
- On foals, Patchwork may be anything genetically possible from the parents. In breedings, it is automatically rolled for color.
- On imports, Patchwork is based on the main phenotype. You may remove genes found in the base geno, switch the base color (e/a genes), and add up to 1 natural marking/modifier.
- Rapunzel, carried genes, and oddities are not listed in the Patchwork phenotype.
- Coverage is determined by how much white the horse would have, rather than being subject to normal Chimera rules.
- The base coat will not have white markings, but the Patchwork coat may have white markings and show them that way.
- Affects everything listed under "White Markings" on the Visual Hierarchy page.
- Chimera and Patchwork cannot be on the same horse.
Interactions:
- Oddities* found on the base coat may also show on the Patchwork coat without being in the Patchwork pheno.
- *This excludes Chimera/Patchwork itself - no Patchwork-ception, sorry!
- Marbled: When paired with Patchwork, Marbled will be present around the Patchwork areas as if it were still a white marking.
Reaper (Seasonal)
Category: Oddities
Overview:
- Causes the iris and sclera to be pure black (leave eye shine on). Oddly enough, it appears most still have full vision.
- When designing Reaper, please be sure to color the sclera (eye white) layer black as well as the iris itself. The entire eyeball should be fully black.
Interactions:
- Gemstone: When paired with Gemstone, only the sclera (eye white) will turn black, while the iris will be affected by Gemstone.

Cobweb (Seasonal)
Category: Oddities
Overview:
- Spiderweb patterns that appear along the topline of the horse, or in between/in the "corners" of markings.
- Can connect two nearby markings together, or appear independently on the topline
- May be partial if between markings, otherwise should form a full web when viewed from both sides/top.
- May have up to 3 webs total, as long as they do not touch or overlap.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Phantom (Seasonal)
Category: Oddities
Overview:
- Causes light skeletal markings on the body, head, and legs.
- Skeleton does not necessarily need to be anatomically correct, but should be at least believable (no random ribcages on the neck, please!).
- Should only be a few shades lighter than the coat beneath, with blended/blurred edges.
- May exhibit slight lightening beneath the markings as well (must be blended out, not just a halo around the bones).
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Glittered (Seasonal)
Category: Oddities
Overview:
- Causes small, colorful, freckle-like spots to cluster along the curves of the body.
- Spots must be visibly colored, not greyscale, and may contain up to three different colors at most.
- Slight differences in opacity are acceptable, but should not be so extreme as to suggest additional colors beyond the limit.
- Requires spots to be individually distinct (no patches) and have a clear area of concentration.
- Should not be strewn randomly across the body, perfectly evenly spaced, all exactly the same size, or extremely sparse.
- Glittered should be most dense along the curve, and have some stray spots spreading from there to create a density gradient.
- Clusters should not create shapes like circles, swirls, or other designs.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
Acceptable Range/Areas:
- Chart below shows acceptable areas of effect.
- The lines drawn are intended to give a vague idea of the flow/shape, but are not precise limits.
- Clusters should not be in other areas (i.e. legs), but can vary a bit within the general areas given.

Range:
- Minimum:
- One small cluster of spots in any acceptable area.
- There should be enough spots to clearly indicate a clustered area of effect, not just one or two random spots.
- Maximum:
- One cluster of spots on the head and two clusters of spots on the body.
- Body clusters may join two areas together if adjacent, but shouldn't branch across the whole body.
Gingerbread (Seasonal)
Category: Oddities
Overview:
- Causes a white stripe that follows the shape of a smooth-edged marking, similar to gingerbread cookie icing.
- Interacts only with natural white, Tobiano, Splash, Corset, Hooded, Tuxedo, and Dutch Lapin. Will not interact with jagged or textured markings; if applicable genes are altered by other genes that make them more irregular/textured, Gingerbread will not act on them.
- May affect some or all of the applicable markings, but must follow a given edge all the way around rather than stopping/tapering halfway.
- Width may vary slightly, generally being thicker on larger markings. Should not be thicker than the marking it borders.
- Should stay reasonably the same in terms of distance and width all the way around, following the shape closely.
- May only be fully hidden if the horse has no applicable markings. If it has any applicable marking, it must border at least one.
- Mane/Tail: No effect
- Skin: No effect
- Eyes: No effect
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