THE COLOR OF DECEMBER
Brightness with
a gentler rhythm
December’s lucky color is blue-green.
Research explores how turquoise shades between blue and green relate to bright, positive feelings and relatively quiet emotions.
Let’s explore those qualities in plain language as personal cues for taking a step toward good fortune.
RESEARCH RECORDS
Exploring blue-green
through color research
Blue-green has many expressions, depending on its brightness, vividness and your mood that day.
Studies that collect people’s impressions of colors offer a way to explore the feelings often associated with blue-green.

Blue-green is interesting because it can feel bright and calm at the same time.

Yes. Research also finds that many people associate it with positivity and pleasure. Try making those qualities an ally on a day when you want them.
COLOR RESEARCH
Blue-green brings brightness and calm together
A review of a long history of color–emotion research reports that blue, green and blue-green are often associated with positive, quiet emotions, such as feeling pleasant or calm.
Blue-green can suggest a relatively gentle, comfortable impression while retaining a sense of brightness.

It feels quietly bright, like thinking, ‘It is all right. I can move on.’

That is a lovely way to use it. On a day when you want to settle your thoughts and choose your next step, blue-green could be your marker.
COLOR RESEARCH
Turquoise recalls joy and pleasure
A study asking people which emotions they associated with color names or actual color patches found turquoise frequently linked with positive emotions, with joy and pleasure among its prominent associations.
The study explored which emotions turquoise tends to bring to mind.
Its notable links with joy and pleasure offer a starting point for thinking about December’s lucky color.

So turquoise reminded many people of happiness, as well as looking like the sea or sky.

It seems so. If seeing a color recalls a pleasant time or a favorite view, that association can become an ally of your own.
COLOR RESEARCH
Pale blue-green and vivid turquoise have different expressions
Even within blue-green, a pale, light shade, a deep muted shade and vivid turquoise can leave different impressions.
Color research finds that brightness and saturation, as well as hue, matter to feelings such as pleasantness, energy and calm.
When using it as a lucky color, you can choose a shade that feels comfortable, from pale blue-green to vivid turquoise.
Choosing the brightness that feels right to you today is another way to make room for color in your life.

I can choose pale blue-green or vivid turquoise to suit today’s mood.

Yes. A blue-green that lets you exhale today, or one that feels a little brighter. Choosing its expression yourself can make it easier to use.
BLUE-GREEN AT A GLANCE
Blue-Green’s positive qualities
Here are the qualities explored in the research records, arranged for use as a lucky color.
- Emotion
- Often associated with bright, positive feelings.
- Calm
- Tends to connect with quiet, pleasant emotions.
- Joy
- Many participants associated turquoise with joy.
- Comfort
- Can suggest a gentle sense of pleasure.
- Expression
- Brightness and saturation change its impression.
What these studies mainly establish is an association between colors and emotions.
Knowing those qualities, choose a blue-green you enjoy and use it as a cue to arrange your feelings or refocus your attention. That can make it easy to bring into everyday life.
WHY BLUE-GREEN IN DECEMBER?
Why is blue-green
December’s lucky color?
This site features turquoise, a gem whose colors range from blue to green, among December’s birthstones.
The daily birthday readings also use turquoise for December, with blue-green as the month’s lucky color.
December brings two zodiac signs that resonate with this color.
Sagittarius
Widens its horizons and moves forward by exploring new experiences and ideas firsthand.
Explore Sagittarius →December 22–31Capricorn
Gives discovered goals a practical form, building trust and achievements over time.
Explore Capricorn →Sagittarius reaches into the world.
Capricorn arranges the ground beneath its feet.
As an even-numbered month, December also carries a rhythm of receiving, connecting and arranging.
Place blue-green’s positivity, calm, joy and comfort alongside that rhythm.
December’s blue-green can be a color for quietly laying out what you have received from the world, choosing what matters to you and carrying it onward.
At the year’s end and on the way into a new one, it suits a lucky color that helps you turn toward a brighter outlook.

Turquoise’s color connects with December’s feeling of passing things onward.

Yes. The end of the year is also a time to choose what you would like to take into the next one. Blue-green can be a lovely little signal for that crossing.
DECEMBER BIRTHSTONERead turquoise’s story→HOW TO USE BLUE-GREEN
A color for
your December strengths
A positive impression
When you want to turn gently toward a new year or a new challenge.
An image of calm
When you want to lay out a busy collection of information or plans and return to your own pace.
Comfort
When you want to enjoy time with people and time alone at a distance that suits you.
An image of joy
When you want to remember the small joys you received this year and the pleasures you would like to nurture.
A sense of relief
When you want to reflect quietly on the year’s experiences and choose what to carry onward.
Blue-green’s qualities can be translated into small everyday choices in this way.
Place a shade you like somewhere you will notice it: clothing, an accessory, a screen, a notebook or a corner of your room.
When you see it, take a moment to listen within: ‘What am I receiving now, and what would I like to carry onward?’
BLUE-GREEN EFFECT ACTIVE
Let blue-green be an ally
in your December story

- A positive impression↑
- An image of calm↑
- Comfort↑
- An image of joy↑
- A sense of relief↑

The positive qualities at the beginning were hints for how to use blue-green when looking for good fortune.

Exactly. If seeing a color helps your feelings settle a little, the words or actions you choose afterward might change too. Learn its qualities and make it an ally in a way that fits you. I think that is a lovely way to use a lucky color.
You don’t have to believe.Just listen first.What kind of good fortune would you like blue-green to encourage today?