RAL 660-6

RAL Effect

RAL Effect RAL 660-6 paint color review

Let’s dive into a full RAL 660-6 paint color review. Take a look at pictures of real interiors and exteriors painted with beautiful RAL 660-6. Find out if this gorgeous cold blue paint color would look great on your living room walls or trims, kitchen cabinet, bedroom accent wall, bathroom or house exterior.

Color code:RAL 660-6
Color name:
Brand:RAL Effect

100% accurate
paint samples

Peel, stick,
and repeat

Twice painted
with real paint

Next day

Shop now

LRV of RAL 660-6

RAL 660-6 has an LRV of 47.36% and refers to Light Medium colors that reflect half of the incident light

Color paint LRV values

Light Reflectance Value measures the amount of visible and usable light that reflects from a painted surface.
Simply put, the higher LRV of paint color, the brighter room you will get.
Scale goes from 0% (absolute black, absorbing all light) to 100% (pure white, reflecting 100% of all light).

Act like a pro: Choosing paint with LRV of 47.36% be attentive to your bulbs light Brightness.Light Brightness – measured in lumens. The lower LRV of paint you have, the higher lumen level you need. Every square feet of room needs at least 40 lumens. That means for a 200 square feet living room you’ll need 8000 lumens of light. To achieve that brightness, you would require a total of 8 bulbs, 1000lm each.

What are RAL Effect RAL 660-6 undertones?

Blue is RAL Effect RAL 660-6 undertone color, as you can clearly see on the color field below. To determine this undertone we’ve removed all the tints, tones, shades and get HUE (pure color). Seems that undertone definition on a white sheet is already outdated and rather inaccurate


HEX value

HEX value:


RGB code:

138, 200, 213

Is RAL Effect RAL 660-6 cool or warm?

warm colors
Color wheel
cool colors

With a hue of 190° this Blue refers cool paint shade according to HSL (Hue, Saturation, Lightness) on the color wheel.

RAL 660-6 HSL code: 190, 47%, 69%

Hue - degree on a color wheel from 0 to 360. 0 is red, 120 is green, and 240 is blue.
Saturation is a percentage value. 0% is a shade of grey, and 100% is the full color.
Lightness is also a percentage value. 0% is black, and 100% is white.

  • Cool Blue shades make a room feel sleek, fresh and modern
  • Cooler hues have a calm and relaxation effect
  • Cool Blue undertones make small spaces feel more open and expansive
  • Cool paint hue are ideal for bedroom or bathroom. Be careful with deep blues and greens in bathroom, which will reflect on your skin.

Act like a pro: Mixing warm and cool shades is a must have to get harmonius interior. Add accents that contrast with the primary color to create visual balance. If your walls are a warm color, don’t forget to add accent in cold colors (furniture, art, décor). A good practice is too use a complementary color scheme.

Color comparison

RAL 660-6 vs RAL 710-1

Choosing between these two awesome hues? We'll break down the differences to help you find the perfect shade for your space.

RAL Effect  RAL 660-6 vs RAL Effect  RAL 710-1RAL Effect  RAL 660-6
LRV: 47.36%
Light Medium color
Temperature: cold
LRV: 47.36%
Light Medium color
Temperature: cold

RAL 660-6 vs RAL 670-3

Are you torn between these two hues? Let's dive in and see which is the best fit for your home.

RAL Effect  RAL 660-6 vs RAL Effect  RAL 670-3RAL Effect  RAL 660-6
LRV: 47.36%
Light Medium color
Temperature: cold
LRV: 47.36%
Light Medium color
Temperature: cold

Color codes

We have collected almost every possible color code you could ever need. To copy the code, just click the icon to the right of it.

HEX#8AC8D5copy color code
RGB Decimal138, 200, 213copy color code
RGB Percent54.12%, 78.43%, 83.53%copy color code
HSVHue: 190° Saturation: 35.21% Value: 83.53%copy color code
HSLhsl(190, 47, 69)copy color code
CMYKCyan: 35.21 Magenta: 6.1 Yellow: 0.0 Key: 16.47copy color code
YIQY: 182.944 I: -41.123 Q: -9.07copy color code
XYZX: 43.141 Y: 51.513 Z: 70.603copy color code
CIE LabL:76.989 a:-16.559 b:-12.782copy color code
CIE LuvL:76.989 u:-29.945 v:-17.205copy color code
Decimal9095381copy color code
Hunter lab71.773, -18.311, -8.082copy color code
Copy color code
Copy paint color code