Quick wins for a faster PC:
Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →
ThatPainter is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More
What color makes you tired? No single hue has been shown to reliably make everyone tired. Studies of light suggest that brightness, exposure time, and the spectrum reaching your eyes can affect alertness and sleep timing; that is different from saying a blue, red, or green wall causes fatigue. For painting decisions, treat color psychology as a matter of perception and context—not a dependable physiological switch.
Why there is no one-color answer
“Color” can mean the surface color of a painted wall, the appearance of white light, or a specific wavelength of light. Those are not interchangeable. A blue wall reflects light from the room; it is not equivalent to looking into a blue-enriched light source.
It also matters what “tired” means. Subjective sleepiness, measured alertness, visual discomfort, and a shift in the body’s circadian timing are different outcomes. Evidence about one does not automatically prove an effect on the others.
A systematic review of 68 studies on light’s acute alerting effects found that subjective alertness often increased under brighter polychromatic white light. The review found no consistent overall pattern for correlated color temperature (CCT) or monochromatic wavelength, and called for better-powered studies. Souman et al., “Acute alerting effects of light”.
#1 Best Overall
- COMPLETE 5-PIECE BRUSH SET FOR EVERY PAINTING TASK — Includes 1 Inch Flat, 1.5 Inch Angle, 2 Inch Flat, 2 Inch Angle Stubby, and 2.5 Inch Angle brush giving you every size professional painters use daily. Get all 5 for less than the price of a single brush from hardware store brands — professional grade performance at a fraction of the cost. Perfect for walls, trim, cabinets, doors, furniture, and detailed cutting-in work on any project.
- ZERO BRISTLE LOSS — GUARANTEED BY PRECISION ADHESIVE BONDING — Every bristle is locked in place with precision-set adhesive that keeps them in the brush — not in your paint job. The coated steel ferrule provides structural support while the adhesive bond ensures clean performance on every stroke. Premium SRT synthetic filaments load more paint and release it evenly for a smooth streak-free finish on walls, ceilings, and trim. Works with latex, oil-based paint, primer, sealer, and wood stain.
- INCLUDES THE ANGLE STUBBY MOST SETS LEAVE OUT — Professional painters know the 2 Inch Angle Stubby is the go-to brush for tight cabinet interiors, window sashes, inside corners, and detailed trim where standard angle brushes are too long. Combined with the 1.5 and 2.5 inch angle sash brushes you have precision cutting-in covered at every scale — baseboards, crown molding, door casings, and ceiling lines.
- FLAT BRUSHES FOR BROAD SMOOTH COVERAGE ON ANY SURFACE — The 1 and 2 inch flat brushes deliver even coverage on walls, furniture, shelving, doors, fences, decks, and wood surfaces. Ideal for applying primers, stains, varnishes, polyurethane, and specialty coatings. Solid wood handles provide all-day comfort and control for both professional contractors and weekend DIY homeowners tackling interior or exterior painting projects.
- TRUSTED BY PROFESSIONAL PAINTERS AND CONTRACTORS NATIONWIDE — Pro Grade delivers professional-grade results at a price that makes sense for crews who go through brushes on every job. Ideal for property managers, remodeling contractors, apartment turnover crews, maintenance teams, and commercial painting operations. Backed by thousands of verified reviews from working painters. Washable and reusable for multiple projects.
Color temperature is not a paint color
Correlated color temperature describes whether white light looks warmer or cooler; it does not name a paint hue or a single wavelength. Studies comparing warm and cool white light therefore cannot be read as direct tests of whether a blue or yellow room makes someone sleepy.
Can the color of light affect alertness?
It can, depending on intensity and timing—but there is no reliable rule that one color always causes tiredness. The CDC’s National Institute for Occupational Safety and Health (NIOSH) notes that blue-containing light during the circadian-sensitive period can make it harder to fall asleep and stay asleep. That is a point about light exposure near sleep, not evidence that blue paint causes fatigue. NIOSH, “The Color of the Light Affects the Circadian Rhythms”.
Rank #2
- Great Value Pack Artist Paint Brushes: Soucolor 20 brushes in 10 sizes professional paintbrushes set — no shedding, holds paint well, cleans easily, Acrylic, watercolor, oil, gouache, Halloween pumpkin decoration & face painting, rock painting, ceramics. Fantastic high quality gifts for creative, artistic siblings to share!
- Awesome Set of Paint brushes: Professional paint brushes can cover all of your needs. The multi-purposed brushes are ideal for Watercolor, Oil, Gouache, enamel, Acrylic Painting, Body, Nail, Face Painting, Miniature, Model, Wood, Glass, Cup, Ceramic, Fine work, Art class, Craft Art Painting, DIY Art Crafts etc.
- Soft and long-lasting: The bristles are soft and strong, with nickel metal ferrules and blue wooden handles. After cleaning, the bristles will become soft and fluffy again and will not fall off.
- Easy to clean: it’s very convenient to Wash well in soap and water. Retain shape after drying. the brushes hold up very well. Nice selection to beginners and professionals. Keep them clean and they last a long time.
- Halloween Pumpkin Ceramic Crafts Supplies: A Great painting gift for family, friends, kids, girls, women, student, classmate, teacher. For using in school, travel or used in the home and office.
In guidance about rotating shift workers, NIOSH states that blue light suppresses melatonin production at night while red light does not. The same bulletin cautions that sufficiently intense red and blue light can each have immediate alerting effects. Those observations concern controlled lighting and a work-schedule context; they do not establish a home rule that red light is calming or blue light is energizing for everyone. NIOSH, “Lighting Interventions to Reduce Circadian Disruption in Rotating Shift Workers”.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsA small experiment involving 22 participants found that both red and blue light at night reduced sleepiness compared with a preceding dim-light period. That result illustrates why a simple “blue makes you tired” claim is unreliable; it does not establish a universal everyday effect. Plitnick et al., “The effects of red and blue light on alertness and mood at night”.
Rank #3
- 【All sizes of art brushes】: The 10 sizes of multi-functional brushes have various shapes, making the mixing color easier, which is very suitable for artists, students, teenagers, children and painters at all levels. Wonderful Present ideas for friends and family who like painting!
- 【general brush set】: Professional paint brush can meet all your needs. Multifunctional brush is very suitable for watercolor, oil, gouache, acrylic painting, body, nail, face painting, miniature, model, ceramics, arts and crafts painting, etc.
- 【high quality process】: It is designed with anti falling bristles, anti-rust nickel ferrule and solid wood handle. You can use the brush to focus on the painting and always be creative.
- 【easy to maintain】: After using the brush, it is very convenient to clean the brush with warm soapy water and reshape the tip of the brush. Air dry the brush and place it on top of the top for long use.
- 【100% satisfaction guarantee - buy now】1 packs of set brushes, you can also get friendly customer service, any questions feel free to contact us, within 24 hours to help you! There is no risk in buying our paint brush kit.
Does screen color cause eye fatigue?
Older display studies produced conflicting findings, and they do not justify a broad rule for modern screens. A 1985 VDU experiment reported more visual fatigue with red and blue display colors than with green and yellow under its tested conditions. A 1989 study of prolonged viewing of chromatic CRT displays found no support for the general recommendation to avoid red or blue stimuli. These were specific experiments, not universal tests of current devices or every user. Osaka, “The effect of VDU colour on visual fatigue”; “Visual performance and subjective discomfort in prolonged viewing of chromatic displays”.
If a display feels uncomfortable, consider the broader viewing conditions rather than assuming its dominant hue is the cause. Screen studies measure visual fatigue or discomfort, not necessarily sleepiness, and those outcomes should not be conflated.
Rank #4
- Bates paint brushes come in a convenient 6 pieces with 3 flat and 3 angled bristle styles, including (1”, 1.5”, 2”) flat and (1.5”, 2”, 2.5”) angled bristles, perfect for tackling any surface painting or staining job.
- The sturdy natural bristles of each brush are designed to hold more paint, creating a smoother finish with fewer streaks and saving you time on the job.
- The lightweight wooden handles provide extra comfort and ease during long painting processes like walls, trims, cabinets, and doors.
- These versatile brushes are ready-to-use, easy to clean, and can be reused multiple times, making them economical as well as reliable tools for any painting project.
- Bates paint brushes can be used for both oil-based paints as well as latex stains and are ideal for home or commercial projects such as decks, fences or DIY painting jobs.
What color psychology can—and cannot—tell you about paint
People may associate colors with particular moods, and those associations can vary with context, culture, preference, and the setting in which a color appears. A review of color and psychological functioning describes empirical progress alongside important limitations; simplified charts that assign each color one settled emotional or bodily effect go beyond what the evidence establishes. Elliot et al., “Color and psychological functioning”.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
For a room, color is one part of the experience alongside lighting, finish, furnishings, and personal response. Choose paint based on the atmosphere you want and how it looks in the room’s actual light—not as a guaranteed way to induce sleepiness or energy.
Best Value
- 2 Inch Angled Paint Brush for Precision Cutting-In – Designed for clean, sharp lines around trim, baseboards, ceilings, corners, and detailed edge work. The perfect size for control and coverage.
- Value 3-Pack for Pros & DIY Projects – Includes three professional 2-inch angled sash brushes — ideal for contractors, remodelers, and homeowners tackling multiple rooms or repeat paint jobs.
- Smooth Results on Walls, Trim & Cabinets – Great for interior wall painting, cabinet edges, furniture projects, and trim work where a smooth finish and crisp control matter most.
- Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.
- Works with Latex Paint, Oil-Based Paint & Stains – Premium synthetic filaments hold more paint, reduce streaks, and provide a clean finish with latex paints, oil coatings, and wood stains.
What to do if you feel tired in a room
Start by separating paint color from the conditions that can affect how alert or comfortable you feel:
- Consider timing: bright or short-wavelength-rich light late in the evening may interfere with sleep timing, while daytime and shift-work lighting raise different questions.
- Look at brightness and exposure: the review evidence points more consistently to brighter white light increasing subjective alertness than to any one color temperature or wavelength.
- Check the task and viewing conditions: prolonged screen work and visual discomfort are not the same as sleepiness, and old display-color results do not settle what causes discomfort on a current device.
- Consider sleep and schedule: insufficient or mistimed sleep, work hours, and task duration are more useful starting points than blaming a wall color.
Amber or other tinted glasses can filter some short-wavelength light, but they are not an established general fix for tiredness. A 2020 review of 12 studies found mixed results for tinted lenses used before sleep. Its pooled estimates were Hedges’ g = 0.31 (95% CI −0.05 to 0.66; seven studies) for sleep efficiency and 0.32 (95% CI 0.01 to 0.63; six studies) for total sleep time. These are review statistics for sleep outcomes, not a promise of individual benefit or proof that glasses relieve daytime fatigue. Slater et al., “Interventions to reduce short-wavelength (‘blue’) light exposure at night and their effects on sleep”.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →
