RAL Classic Water blue color comparison

Compare RAL Classic Water blue with other colors. Understand the differences in hue, saturation, lightness, and value.

First color

Second color

RAL Classic
Water blue
RAL 5021

Select a color

Hue

181

Saturation

100

Lightness

?Simple 0–100% measure derived from the min/max of the sRGB channels. It is not aligned with human visual perception - use CIE L* for perceptual lightness.

LRV

?Light Reflectance Value measures the percentage of light reflected by a color. It ranges from 0 (absolute black) to 100 (pure white, all light reflected).

15.94

CIE L

?Perceptual lightness.
Lightness value from CIE Lab color space.
Values from 0 (black) to 100 (diffuse white)

44.31

Color difference ΔE*₀₀

?CIE color difference.
Smaller is closer:
~0–1 (imperceptible),
1–2 (just noticeable),
2–5 (small difference),
5–10 (clear),
more than 10 (very different).

Temperature:

Cool

RAL 5021

Water blue

RAL Classic

Open color review

Please note that the color shown on this page is a representation and might not exactly match the real shade of the cards, fan decks, or color collections. Your monitor, browser, and screen angle can all affect how the paint looks, so it may not be the same as what you see here. All information on this page is based on RGB and HEX values provided by manufacturers.

It's important to keep in mind that the same color may appear differently on various surfaces due to the nature of those surfaces. For example, the same shade will look different on a rough wall compared to the smooth surface of cabinets.