225 g (8 oz) Chalk - Violet

Features

  • Formulated for use with chalk line reels
  • Oval-shaped bottle to reduce rolling
  • Tethered pop-top spout for easier pouring
  • Available in multiple sizes (8 oz and 5 lb)
  • Available in additional colors (blue, red, black, permanent red)

Specifications

Chalk Color Violet
Chalk Refill Size (G) 225
Color Black, Yellow
Has Ce Mark Yes
Has Easy Pour Bottle Yes
Is It A Set No
Number Of Pieces 1
Product Height (Mm) 180
Product Length (Mm) 70
Product Width (Mm) 60
Product Pack Quantity 1
Product Weight (G) 260
Product Weight Gross (G) 260
Product Weight Gross (Kg) 0.26
Product Weight (Kg) 0.26
Product Weight (Oz) 8
Available Sizes 8 oz, 5 lb
Available Colors blue, red, black, red permanent
Warranty 1 Year Limited Warranty

Violet marking chalk supplied in a 225 g (8 oz) oval refill bottle for use with chalk line reels. The oval bottle shape helps prevent rolling on flat surfaces and includes a tethered pop-top spout for controlled pouring.

Model Number: DWHT47079L

DeWalt 225 g (8 oz) Chalk - Violet Review

5.0 out of 5

Why I reached for violet chalk

On recent layout work—snapping lines for interior partitions, marking cut paths on sheet goods, and laying out clip locations on light-gauge steel—I switched over to a violet chalk refill. The draw was pretty simple: I wanted a line that stood out from the usual site clutter of pencil, red paint marks, and blue chalk, but that wouldn’t linger or stain when the job moved forward. After several weeks of daily use, I’ve got a solid sense of where this violet chalk shines and where it doesn’t.

Bottle design that behaves on the job

The bottle matters more than you might think. This 8 oz refill comes in an oval bottle that doesn’t try to make a run for it when you set it down on a slab or a scaffold plank. That shape alone keeps it from rolling off a workbench—a small thing that saves time and aggravation.

The tethered pop-top spout is equally practical. It flicks open with a thumb even when I’m wearing light gloves, pours cleanly, and snaps shut with a positive click. The tether keeps the cap from disappearing into the dust, and because the pour is controlled, I waste less chalk and make less mess. After multiple refills, the hinge still feels intact—no stretching or cracking. If you’re filling a compact reel, the spout fits the opening neatly, which reduces spillover.

Size-wise, the 8 oz bottle is a comfortable, one-hand squeeze. It stows easily in a pouch or a bucket organizer, and at roughly 180 mm tall and 70 x 60 mm in footprint, it doesn’t crowd other bottles. I wouldn’t mind a translucent strip to show remaining chalk at a glance, but the bottle’s weight gives you a decent sense of fill level.

Flow and line quality

Chalk performance, in the end, is measured in the line it makes. This violet chalk is ground fine enough to feed smoothly into reels, including models with tighter fill necks. In my reels, it primed quickly and didn’t clump, even after a week of humid mornings followed by dry afternoons.

Lines snapped crisp and even, without the powdery halo you see with coarser blends. On smooth plywood, 5/8-inch drywall, and galvanized purlins, the mark width remained consistent, with good adhesion to the surface. The chalk didn’t cake inside the reel or bind the cord; re-winding stayed smooth. After a few days in humid conditions, I did notice a bit of caking at the spout tip, which cleared with a tap—normal behavior for jobsite chalk.

Visibility across surfaces

Violet is a thoughtful choice if you’re working in environments where blue is already the default and red is reserved for permanent marks. On light to mid-tone surfaces, violet pops without screaming. My results:

  • Plywood and OSB: Excellent visibility. The violet line stands apart from pencil and blue chalk, which helps reduce “which line is mine?” confusion on busy panels.
  • Primed drywall: Very good. Crisp and visible for layout, yet it brushes off cleanly.
  • Fresh concrete and cured slab: Good to very good. On light gray slabs, the violet shows better than blue in certain light and doesn’t read as aggressively as red or black.
  • Galvanized steel and light-gauge framing: Good. It adheres well enough for layout and maintains contrast.
  • Painted surfaces (light): Good. It shows clearly and cleans up without smearing into a stain.
  • Dark materials (black sheet goods, dark asphalt): Fair. It’s visible in raking light, but blue or white chalk (if available) will outperform it here.

If you’re used to grabbing blue out of habit, violet earns a place in the kit simply by being different enough to be unmistakably your line without being permanent.

Cleanup and permanence

This blend skews toward low staining and easy cleanup. On non-porous and semi-porous surfaces, most lines brushed off with a shop broom. A damp rag took care of stubborn traces on painted trim and coated metals. On bare drywall paper, you’ll still see faint residue if you rub hard—chalk is chalk—but it was noticeably easier to erase than red or black marking chalk.

Outdoors, a light misting rain softened the lines quickly. That’s a plus for temporary layout and a minus if you’re trying to hold a line over a multi-day exterior sequence. If you need marks that survive weather, choose a more permanent color. For interior work, finish-sensitive surfaces, or temporary steel layout, the low permanence is exactly what I want.

Compatibility and reel behavior

I ran this chalk through two different reels—one compact, fast-wind model and a larger capacity reel with a thicker line. Both fed easily and produced consistent marks. I also used it in a dedicated reel for temporary layout so I could keep permanent red in a separate reel. That’s worth noting: if you regularly swap chalk colors, keep separate reels to avoid color contamination and unplanned staining.

The chalk didn’t seem to oil out or separate, which sometimes happens with bargain mixes. After multiple fills, there wasn’t a gummy residue in the reel casing—just typical fine dust.

Jobsite practicality

  • The oval bottle resists rolling off scaffold boards and truck tailgates.
  • The tethered spout minimizes lost caps and accidental spills in a bag.
  • The spout delivers a controlled pour that helps keep shop floors and slab edges cleaner.
  • The bottle is sturdy enough to survive tosses into a tote. Mine shows scuffs but no cracks.

One minor quibble: the pop-top’s small outlet can clog if the bottle sits uncapped in heavy dust. Keep it closed and give it a tap if flow slows.

Color options and sizes

This violet refill is the accent in a broader lineup that includes blue, red, black, and a permanent red for long-lasting marks. For my use, violet fills the “temporary but visible” niche nicely. The 8 oz bottle is the practical, on-belt size; for shop or crew use, the availability of a 5 lb option is useful for topping off multiple reels. If you go through a lot of chalk, mixing an 8 oz bottle for field carry with a bulk container back at the bench is a sensible system.

Warranty and build

It’s a refill bottle of chalk, so there’s not much to “warranty,” but the bottle and cap feel up to daily use. The cap hinge and tether have held up, and the bottle wall doesn’t collapse or crease under a squeeze. Chalk quality has been consistent bottle to bottle.

Where it fits—and where it doesn’t

Use this violet chalk if:
- You need a clear, temporary line that won’t stain finishes.
- You’re working indoors on drywall, plywood, concrete, or metal where cleanup matters.
- You want your lines to stand apart from the crowd of blue marks on a busy job.

Look elsewhere if:
- You need weather-resistant marks that will last days outdoors—switch to red or black.
- You’re marking very dark surfaces—consider a contrasting color.
- You prefer an extremely bold, high-contrast line regardless of cleanup.

Tips for best results

  • Keep separate reels for temporary and permanent chalk colors.
  • Cap the spout promptly; store upright to prevent packing and leaks.
  • Give the bottle a couple of shakes before refilling to keep the chalk fluffy and free-flowing.
  • Test on a scrap or inconspicuous area if you’re marking finish surfaces.

Recommendation

I recommend the violet chalk for anyone who needs clean, temporary layout lines with better-than-blue visibility and easy cleanup. It’s particularly well-suited to interior layout, sheet goods, light-gauge steel, and any environment where finish staining is a concern. The oval, no-roll bottle and tethered pop-top spout are simple, job-friendly touches that make refilling reels faster and tidier. If your work demands long-lasting exterior lines or high contrast on dark surfaces, keep a more permanent color in a separate reel. For everything else, this violet refill has earned a dedicated spot in my kit.



Project Ideas

Business

Pop-up Event Wayfinding & Layout

Offer on-site temporary marking for festivals, markets, and conferences: queue lanes, directional arrows, booth outlines, and safety zones snapped with violet chalk for high visibility. Package includes layout planning, fast setup using a chalk line reel, and cleanup after the event.


Tile/Carpentry Layout Specialist

Provide precise snapping services for tile grids, hardwood starting lines, framing, and drywall reference lines. Use violet for standard lines and upsell color-coding by sourcing additional chalk colors to differentiate trades or phases. Bill per square footage or per room.


Sports Clinic Course Marking

Design and mark agility ladders, sprint lanes, cone grids, and bike skills courses on asphalt or gym floors for schools and camps. Quick to set up and remove, with reusable course maps offered as an add-on.


Chalk-Line Street Art + Workshops

Create commissioned geometric murals for districts and festivals using snapped chalk lines, then host ticketed workshops teaching pattern construction. Monetize further with prints or apparel featuring photographed designs.


Interactive Art Wall Rentals

Rent a large panel and chalk line setup for weddings and corporate events where guests snap lines to co-create a branded artwork in violet. Include time-lapse video, a sealed take-home panel, and poster prints as premium packages.

Creative

Geometric String-Snap Murals

Use a chalk line reel filled with violet chalk to snap crisp, intersecting lines on walls or pavement, building complex geometric murals, mandalas, or optical illusions. The pop-top spout makes refilling easy, and the bold violet reads well on light or neutral surfaces. Great for ephemeral street art or community art days.


Quilter’s Mega Grids

Lay out large quilting grids, bias lines, or sashiko-style guides by snapping long, perfectly straight lines across fabric or batting. Violet shows nicely on light fabrics and brushes off after stitching. Ideal for marking long borders, chevrons, and alignment lines for piecing.


Outdoor STEM Geometry Lab

Create a hands-on math experience on blacktop: snap parallel lines, angle bisectors, coordinate axes, and perspective grids for students to explore geometry with chalk. The anti-roll oval bottle keeps refills handy during class, and cleanup is simple with a broom or hose.


Stage and Event Blocking

Temporarily mark stage positions, dance formations, camera dolly paths, or vendor booth footprints with visible but low-glare violet lines that are easy to see under lights and easy to remove post-show.


Graphic Photo Backdrops

Snap precise violet lines on seamless paper, painted plywood, or MDF to create striking linear backdrops for portraits and product photography. Seal with a light fixative if you need to reduce smudging while shooting.