The effect of CRTs on pixel art

Original Article ↗ Hacker News Discussion ↗

CRTs are argued to have fundamentally shaped how classic video game pixel art looks, with their blur, scanlines, color bleed, and even handheld LCD quirks used deliberately by artists to create gradients, transparency and “softer” imagery that modern sharp displays don’t reproduce. Commenters debate whether today’s crisp, blocky pixel art is a faithful homage or anachronistic nostalgia that ignores those analog characteristics, noting that many retro games look “wrong” when rendered perfectly sharp. The conversation also touches on modern attempts to recreate CRT aesthetics via shaders and expensive upscaler hardware, and on how regional video standards and connectors (SCART, component, VGA) influenced perceived image quality.

CRTs’ Visual Characteristics

  • Many describe CRT images as richer, warmer, softer, with subtle blur, glow, scanlines, and phosphor behavior that smooths harsh pixels and dithering.
  • Others stress that consumer TVs also had distortion, color bleeding, noise, and variable quality; arcade and pro monitors were sharper but still non‑square, blurred samples, never “tiny perfect squares.”
  • Some note physiological factors (X‑rays, UV, EMF) and suggest the blur lets the brain “fill in” detail, making human figures and materials feel more lifelike.

Impact on Original Pixel Art

  • Several comments argue that artists often designed specifically for CRTs or composite artifacts: using dithering, color cycling, scanline-aware tricks, and composite blending to simulate gradients, half‑pixels, and transparency.
  • References are given to Japanese development practices and examples (e.g., CGA composite, Sega/Genesis transparency, C64 demos) where hardware quirks were consciously exploited.
  • Others counter that core pixel techniques (dithering, mosaics) predate CRTs, and that much game art was made on higher-res CRT monitors or PCs, with the goal of “max info per pixel,” not CRT fetishism.

LCD Handhelds and “Blocky” Nostalgia

  • Multiple posters cite Game Boy, Game Gear, GBC, GBA, and later handhelds as sources of genuine nostalgia for crisp blocky pixels.
  • However, others insist early handheld LCDs had heavy ghosting and subpixel quirks; devs exploited this for fake transparency and extra tones, so “crisp” emulated output often looks wrong.

Modern Pixel Art and CRT Emulation

  • Some agree that much modern pixel art intentionally exaggerates blockiness, skips dithering/AA, and ignores constraints (grid alignment, rotation), creating anachronistic aesthetics.
  • Others argue modern pixel art is simply an independent style; it often mixes shaders and non‑grid effects, so “accuracy” to CRTs is not the goal.
  • There is interest in hardware and shaders that convincingly emulate CRT shadow masks, glow, and scan behavior; devices like upscalers with CRT filters are praised but seen as expensive luxuries.

Connectivity, Latency, and Practicalities

  • Debate over SCART vs VGA/component: some highlight RGB quality and ubiquity in Europe; others call SCART technically and mechanically inferior, with component and VGA preferred in the US.
  • CRTs are valued for zero processing latency; modern TVs add lag even in game modes, affecting competitive and speedrun play.
  • CRT resale prices are rising; some encourage rescuing discarded sets as they become scarce.