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CSS Color names from RGB Colors

RGB color space

Short description

The RGB color space is the most important color system for digital media, displays and web applications. The name is derived from the three primary colors Red (Red), Green (Green) and Blue (Blue). Each of these light colors can take on values from 0 to 255, resulting in over 16.7 million possible shades.

RGB is a so-called additive color system: If all three colors are combined with maximum intensity, white is created. If they are completely omitted, black is created. The targeted mixing of the light colors creates all visible color tones that monitors, televisions or smartphones can display.

The RGB representation is usually in the form rgb(255, 0, 0) or as a hexadecimal value such as #FF0000. This notation is the basis of modern web and UI color coding.

Use

The RGB color system is the standard for digital design - from websites, apps and user interfaces to social media graphics and photo editing. Every device that generates light colors (e.g. monitors, projectors or smartphones) uses RGB to display visual content.

In programs such as Adobe Photoshop, Figma or Sketch, RGB mode is used to develop designs exactly as they will later appear on screens. However, color deviations can occur when converting to print files (CMYK), as RGB covers a significantly larger color space (gamut).

What you need to know

Each pixel of a display consists of three tiny points of light - red, green and blue. Depending on the intensity of these light sources, the perceived color tone is created. For example, a pixel lights up in bright yellow when red and green are strong but blue is switched off (rgb(255, 255, 0)).

The RGB color space was developed in the 1930s and forms the basis of many other color systems such as sRGB, Adobe RGB or Display P3. Modern devices use extended RGB color spaces to display more intense and realistic colors.

Note: Visual perception may vary depending on the monitor, calibration and ambient light. Professional color management is crucial to ensure that a design looks the same on different devices.

Tips for designers & agencies

  • Work in the right color space: For web projects, sRGB is standard. For high-end photography and film production, Adobe RGB or Display P3 is recommended due to the extended color gamut.
  • Avoid unwanted color shifts: Do not automatically convert colors between RGB and CMYK. Use tools such as qConv or Adobe Color to calculate exact values.
  • Consider color psychology: RGB colors have a strong emotional effect in the screen display. Red has a dynamic effect, blue inspires confidence, green is harmonious - ideal for branding and UI design.
  • Calibrate regularly: A calibrated monitor shows you colors as they actually appear in the target medium. This is particularly important for brand-relevant projects.
  • Work with CSS variables: Use RGB or HEX codes in variables in web design to systematically control color palettes and ensure consistent brand colors.

Examples

White - RGB code
RGB 255 255 255 255

Blue - RGB code
RGB 0 0 255

Red - RGB code
RGB 255 0 0 0

Green - RGB code
RGB 0 255 0

Grey - RGB code
RGB 128 128 128

Yellow - RGB code
RGB 255 255 255 0

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Colors

RGB to HEX

convert from RGB red green blue to #RRGGBB

RGB to CMYK

convert from RGB red green blue to CMYK cyan / magenta / yellow / black

Icons

RGB to RAL®

convert from RGB red green blue to RAL®-number (RAL 0000)

RGB to HKS®

convert from RGB red green blue to HKS®-number (HKS 00)

RGB to PANTONE®

convert from RGB red green blue to Pantone®-number (Pantone 0000)

RGB to Sherwin Williams®

convert from RGB red green blue to Sherwin Williams®-number (SW 0000)

RGB to NCS®

convert from RGB red green blue to NCS-number (S0000-X00X)

nsc-logo

RGBA to HEX

convert from RGBA red green blue transparency to #RRGGBB

RGBA to CMYK

convert from RGBA red green blue transparency to CMYK cyan / magenta / yellow / black

Icons

RGBA to RAL®

convert from RGBA red green blue transparency to RAL®-number (RAL 0000)

RGBA to HKS®

convert from RGBA red green blue transparency to HKS®-number (HKS 00)

RGBA to PANTONE®

convert from RGBA red green blue transparency to Pantone®-number (Pantone 0000)

RGBA to Sherwin Williams®

convert from RGBA red green blue transparency to Sherwin Williams®-number (SW 0000)

RGBA to NCS®

convert from RGBA red green blue transparency to NCS-number (S0000-X00X)

nsc-logo

CMYK to HEX

convert from CMYK cyan / magenta / yellow / black to #RRGGBB

CMYK to RGB

convert from CMYK cyan / magenta / yellow / black to RGB red green blue

CMYK to RGBA

convert from CMYK cyan / magenta / yellow / black to RGBA red green blue transparency

CMYK to RAL®

convert from CMYK cyan / magenta / yellow / black to RAL®-number (RAL 0000)

CMYK to HKS®

convert from CMYK cyan / magenta / yellow / black to HKS®-number (HKS 00)

CMYK to PANTONE®

convert from CMYK cyan / magenta / yellow / black to Pantone®-number (Pantone 0000)

CMYK to Sherwin Williams®

convert from CMYK cyan / magenta / yellow / black to Sherwin Williams®-number (SW 0000)

CMYK to NCS®

convert from CMYK cyan / magenta / yellow / black to NCS-number (S0000-X00X)

nsc-logo

HEX to RGB

convert from #RRGGBB to RGB red green blue

HEX to RGBA

convert from #RRGGBB to RGBA red green blue transparency

HEX to CMYK

convert from #RRGGBB to CMYK cyan / magenta / yellow / black

Icons

HEX to RAL®

convert from #RRGGBB to RAL®-number (RAL 0000)

HEX to HKS®

convert from #RRGGBB to HKS®-number (HKS 00)

HEX to PANTONE®

convert from #RRGGBB to Pantone®-number (Pantone 0000)

HEX to Sherwin Williams®

convert from #RRGGBB to Sherwin Williams®-number (SW 0000)

HEX to NCS®

convert from #RRGGBB to NCS-number (S0000-X00X)

nsc-logo

RAL® to RGB

convert from RAL®-number (RAL 0000) to RGB red green blue

RAL® to RGBA

convert from RAL®-number (RAL 0000) to RGBA red green blue transparency

RAL® to CMYK

convert from RAL®-number (RAL 0000) to CMYK cyan / magenta / yellow / black

Icons

RAL® to HEX

convert from RAL®-number (RAL 0000) to #RRGGBB

RAL® to HKS®

convert from RAL®-number (RAL 0000) to HKS®-number (HKS 00)

RAL® to PANTONE®

convert from RAL®-number (RAL 0000) to Pantone®-number (Pantone 0000)

RAL® to Sherwin Williams®

convert from RAL®-number (RAL 0000) to Sherwin Williams®-number (SW 0000)

RAL® to NCS®

convert from RAL®-number (RAL 0000) to NCS-number (S0000-X00X)

nsc-logo

HKS® to RGB

convert from HKS®-number (HKS 00) to RGB red green blue

HKS® to RGBA

convert from HKS®-number (HKS 00) to RGBA red green blue transparency

HKS® to CMYK

convert from HKS®-number (HKS 00) to CMYK cyan / magenta / yellow / black

Icons

HKS® to HEX

convert from HKS®-number (HKS 00) to #RRGGBB

HKS® to RAL®

convert from HKS®-number (HKS 00) to RAL®-number (RAL 0000)

HKS® to PANTONE®

convert from HKS®-number (HKS 00) to Pantone®-number (Pantone 0000)

HKS® to Sherwin Williams®

convert from HKS®-number (HKS 00) to Sherwin Williams®-number (SW 0000)

HKS® to NCS®

convert from HKS®-number (HKS 00) to NCS-number (S0000-X00X)

nsc-logo

PANTONE® to RGB

convert from Pantone®-number (Pantone 0000) to RGB red green blue

PANTONE® to RGBA

convert from Pantone®-number (Pantone 0000) to RGBA red green blue transparency

PANTONE® to CMYK

convert from Pantone®-number (Pantone 0000) to CMYK cyan / magenta / yellow / black

Icons

PANTONE® to HEX

convert from Pantone®-number (Pantone 0000) to #RRGGBB

PANTONE® to RAL®

convert from Pantone®-number (Pantone 0000) to RAL®-number (RAL 0000)

PANTONE® to HKS®

convert from Pantone®-number (Pantone 0000) to HKS®-number (HKS 00)

PANTONE® to Sherwin Williams®

convert from Pantone®-number (Pantone 0000) to Sherwin Williams®-number (SW 0000)

PANTONE® to NCS®

convert from Pantone®-number (Pantone 0000) to NCS-number (S0000-X00X)

nsc-logo

Sherwin Williams® to RGB

convert from Sherwin Williams®-number (SW 0000) to RGB red green blue

Sherwin Williams® to RGBA

convert from Sherwin Williams®-number (SW 0000) to RGBA red green blue transparency

Sherwin Williams® to CMYK

convert from Sherwin Williams®-number (SW 0000) to CMYK cyan / magenta / yellow / black

Icons

Sherwin Williams® to HEX

convert from Sherwin Williams®-number (SW 0000) to #RRGGBB

Sherwin Williams® to RAL®

convert from Sherwin Williams®-number (SW 0000) to RAL®-number (RAL 0000)

Sherwin Williams® to HKS®

convert from Sherwin Williams®-number (SW 0000) to HKS®-number (HKS 00)

Sherwin Williams® to PANTONE®

convert from Sherwin Williams®-number (SW 0000) to Pantone®-number (Pantone 0000)

Sherwin Williams® to NCS®

convert from Sherwin Williams®-number (SW 0000) to NCS-number (S0000-X00X)

nsc-logo

NCS® to RGB

convert from NCS-number (S0000-X00X) to RGB red green blue

NCS® to RGBA

convert from NCS-number (S0000-X00X) to RGBA red green blue transparency

NCS® to CMYK

convert from NCS-number (S0000-X00X) to CMYK cyan / magenta / yellow / black

Icons

NCS® to HEX

convert from NCS-number (S0000-X00X) to #RRGGBB

NCS® to RAL®

convert from NCS-number (S0000-X00X) to RAL®-number (RAL 0000)

NCS® to HKS®

convert from NCS-number (S0000-X00X) to HKS®-number (HKS 00)

NCS® to PANTONE®

convert from NCS-number (S0000-X00X) to Pantone®-number (Pantone 0000)

NCS® to Sherwin Williams®

convert from NCS-number (S0000-X00X) to Sherwin Williams®-number (SW 0000)

Codes

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