#009999 Hex Color
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Regula Barbara Blue is a cool, balanced cyan that leans into refreshing, tealy undertones. Because it offers high readability with black text, it works well for UI buttons or functional icons. The hex code #009999 pairs nicely with warm terracotta accents to cut through its cold temperature. Use this color sparingly as an accent rather than a full background to avoid overwhelming your design layout.
About Regula Barbara Blue
Pool water at the deep end, seen from the diving board
What does regula barbara blue mean?
Cyan tones like this often suggest clean water, medical settings, and fresh starts, and many people read them as hygienic and orderly. Its medium darkness and restrained saturation make it feel steady and functional, with a cool edge rather than a loud one.
Where you see regula barbara blue
- swimming pool water
- tile grout
- scrubs
- bird feathers
- beach glass
- packaging film
What it works for
This color works well for wellness apps, water filtration brands, clinic signage, and dashboards where teal data reads clearly.
What colors go with regula barbara blue?
Coral #ff7f50The pink-orange warmth sits directly across from cyan, so both colors look stronger.Mustard #ffdb58Yellow cuts the coolness of the teal and keeps the pair from feeling clinical.Charcoal #36454fDark gray grounds the teal and gives it weight for text and backgrounds.Sand #e2ca76Warm beige softens the cyan cast and reads like a shoreline next to water.Plum #8e4585Deep purple shares the color's darkness but shifts warm, so the pair stays balanced.
Questions about Regula Barbara Blue
What is the hex code for Regula Barbara Blue?
Regula Barbara Blue is #009999. In RGB that is rgb(0, 153, 153), in HSL hsl(180, 100%, 30%) and in CMYK 100%, 0%, 0%, 40%.
Is #009999 effective for user interface design?
Regula Barbara Blue provides excellent readability against light backgrounds, making it a reliable choice for functional icons or primary action buttons. While strong as a UI accent, ensure you check contrast ratios if using it for large blocks of small-font text.
Is Regula Barbara Blue readable on white or black?
Regula Barbara Blue has a 3.49:1 contrast ratio on white and 6.01:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.