Blue

RAL 5018

Turquoise Blue

RAL 5018 Turquoise Blue is a vibrant blue-green that evokes tropical lagoons and precious turquoise gemstones. This energetic shade brings a refreshing, resort-like quality to architectural surfaces and is widely used in leisure facilities, aquatic centers, and contemporary coastal design. Turquoise Blue has strong cultural associations with relaxation and escape, making it effective for hospitality environments, spa exteriors, and vacation property developments across Mediterranean and tropical regions.

Time9:36 AM
Light
Technical Reference

Color Reference

Hex#21888F
RGBrgb(33, 136, 143)
HSLhsl(184°, 63%, 35%)
CMYKcmyk(77%, 5%, 0%, 44%)
Color Analysis
RGB Composition
R
33
G
136
B
143
Temperature
WarmCool
Contrast Accessibility
White text
4.2:1Fail
Black text
5:1Pass

WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.

Spectrum & Perceptual Position

Hue Spectrum
60°120°180°240°300°360°
CIELAB a*b* Chromaticity
-4004080-4004080a* (Green ← → Red)b* (Blue ← → Yellow)
L* (Lightness)52
a* (Green-Red)-26
b* (Blue-Yellow)-12
L* (LCh)52
C* (Chroma)28
h° (Hue)205°

CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.

Color Harmonies

Build a Palette Around Turquoise Blue

Palette Generator

Select a harmony type, then press Space to reroll unlocked colors.

1 locked / 4 free

Reference + opposite hue with tonal variations

Reference
#2
Complementary
#3
Complementary
#4
Complementary
#5
Split Comp +
Pairwise Contrast Ratios
1.7:1
·
1.5:1
·
2.5:1
·
1.6:1

Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.

Ready to Coat in Turquoise Blue?

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Recommended Powders

Recommended for RAL 5018

Exact (0)

No verified exact-match powders on hand for this color. See close matches below or call to confirm.

Close (2)

AquaticClose Match
SKU: PCNT59117PPPG IndustriesCoraflon PlatinumAAMA 260555-75 glosssmooth
Great Barrier ReefClose Match
SKU: PCNT55106PPPG IndustriesCoraflon PlatinumAAMA 260515-25 glosssmooth

About These Recommendations

These are powder formulations that correspond to this RAL color based on manufacturer data sheets. Exact powders are coded to this specific RAL code. Close powders are visually similar alternatives we have used before. We do not sell powder directly — we use these formulations to coat your parts. Call us to discuss your project and we will confirm the best option for your timeline.

Call to Discuss Your ProjectWe will confirm the best powder and finish for your parts and timeline.