Tele Gray 4

The extremely light grayish-white of a high-definition screen, the pure base color of the pixel world.

HEX#CFD0CF

RGBrgb(207, 208, 207)

HSLhsl(120, 1%, 81%)

HSVhsv(120, 0%, 82%)

CMYKcmyk(0%, 0%, 0%, 18%)

HEXA#CFD0CFFF

RGBArgba(207, 208, 207, 1)

HSLAhsla(120, 1%, 81%, 1)

OKLCHoklch(93.4%, 0.001, 146)

LCHlch(92.3%, 9.6, 213)

🎨 Color Palettes

Analogous2-3 adjacent hues (≤60°)

Triadic3 hues spaced 120° apart

Split ComplementaryMain color + colors adjacent to its complement

Complementary2 hues spaced 180° apart

Tetradic (Rectangle)4 hues forming a rectangle

MonochromaticSingle hue with varying saturation and lightness

♿ WCAG Contrast Colors

Learn More →

Aa14px Body

High Contrast Text

#3D3E3DRatio 6.9:1AA

Suitable for body text, headings, and primary content, ensuring readability for all users

Aa14px Body

Standard Text

#585A59Ratio 4.5:1AA

Suitable for regular body content, meeting WCAG AA standards

Aa14px Body

Large Text / UI Components

#747676Ratio 3:1AA Large

Suitable for large text (≥18px bold or ≥24px), icons, UI component boundaries

Aa14px Body

Decorative / Dividers

#939395Ratio 2:1Fail

Suitable for decorative elements, dividers, non-essential text

📊 Color Scales

Online Color Picker → Gradient Generator →

Lightness VariationFixed hue and saturation, proportional lightness scaling 30%→100%

#3D3E3D

#565856

#6D6F6D

#868886

#9D9F9D

#B7B8B7

#CECFCE

Saturation VariationFixed hue and lightness, proportional saturation scaling 40%→100%

#CFCFCF

#CECFCE

Lightness + Saturation Mixed VariationSimultaneous lightness and saturation proportional scaling

#3D3D3D

#575757

#6D6F6D

#868886

#9D9F9D

#B7B8B7

#CECFCE

Hue Fine-TuningFixed saturation and lightness, stepwise hue fine-tuning ±15°

#CECFCE

💡 Use Cases

📺

HDR Subtitles

Subtitles on platforms like Netflix default to Tele Gray 4, more comfortable than pure white and not disrupting the HDR picture atmosphere.

🎨

AI Creation

The default background removal底色 (base color) for AI image generation tools, providing a neutral starting point for secondary creation.

📱

Reading Mode

The eye-protection reading background for e-book apps, simulating the reading experience of slightly grayed, high-quality paper.

🖼️

Digital Photo Frames

The border and background color of digital photo albums, making photos the visual focal point against the pure light gray.

📜 Origin & History

Tele Gray 4 is a product of the high-definition digital television era. To render richer highlight details, 4K and 8K screens changed previously pure white subtitles and interface elements to an extremely light gray, preventing screen老化 (aging) and user visual fatigue caused by prolonged display of high-brightness pixels.

The popularization of HDR display technology further increased the importance of Tele Gray 4. In HDR standards like Dolby Vision, Tele Gray 4 is used as the base color for interface overlays, ensuring information readability without disrupting the image's original light and shadow atmosphere.

In the UI design specifications of streaming platforms, both Netflix and Disney+ designate Tele Gray 4 as the default color for subtitles and menus. Designers found that pure white subtitles were too glaring in dark scenes, while Tele Gray 4 provides a more comfortable viewing experience.

In the current AI image generation field, Tele Gray 4 is often used as the default base color after background removal in image-to-image modes. This tone, close to white paper but slightly grayer, reserves sufficient brightness headroom for二次 (secondary) creation, becoming a foundational color in AI creative workflows.

🧠 Color Psychology

PureThe extremely light gray, close to pure white, retains a touch of灰度 (grayness), as clean and fresh as a newly washed white shirt.

ComfortableA screen color that is more eye-friendly than pure white, a humanized design that doesn't easily cause fatigue even with prolonged viewing.

OpenA light gray near a blank canvas reserves maximal creative space, suitable as the initial background for creative work.

DelicateThe grayness subtly separated from pure white requires careful discernment to notice, cultivating sensitivity to detail.

OrderlyThe unified subtitle color specification of streaming platforms establishes viewing order in the least intrusive way.

FuturisticA底层 (foundational) color in the HDR and AI age,预示 (foreshadowing) the possibilities of continuously evolving visual technology.

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