Calming colours

These are held together by depth rather than hue. Every one of them falls between L*69 and L*92 — light — across 3 hue families (green, cyan and neutral). The consistent lightness is what makes them combine without argument; the hues are free to differ.

They are not interchangeable. Chroma runs from 10 to 64 and lightness from L*69 to L*92, which is a wide enough saturation spread that the strongest of these will dominate the quietest if you use them at the same scale. Pick one to lead. They also split on undertone (neutral and cool), so pairing across that split is where this group most often goes wrong.

Colours: 6
Lightness: L*69–92
Chroma: 10–64
Undertone: neutral, cool

Where they are easiest to use

Assessed individually, most of this group comes out strong for trim and joinery, walls and large surfaces, secondary surfaces, furniture, rugs, curtains and bedding and accents and small objects. That is a property of the measurements rather than of the mood label — a colour does not become easier to use on a wall because it is described as muted.

How they behave under different light

At an average chroma of 25 these have enough colour to survive a change of light without collapsing, but they will shift. Warm bulbs will push the warm members further warm and drain the cool ones. Sampling matters here more than the swatch does.

What goes wrong with calming colours

Shared by at least half the colours in this group, taken from their own individual assessments.

May show every imperfection. Very light surfaces reveal uneven plaster, patching and marks that a mid-tone hides, so the substrate matters more than usual.

Calming against the other moods

Of the 9 mood groups, calming is the lightest on average (mean L*84) and the least saturated (mean chroma 25) across its 6 colours.

The closest group by palette centre is natural, which shares Sage Green with it. On average calming is 27 points lighter and 14 points less saturated by comparison.

Mean lightness and mean chroma of each mood group
Mood	Mean L*	Mean chroma	Colours
Calming	84	25	6
Energetic	68	84	6
Cheerful	81	70	5
Luxurious	45	64	6
Cosy	58	51	6
Romantic	68	32	5
Professional	40	26	5
Dramatic	35	43	6
Natural	57	39	6

The grouping itself is an editorial judgement — a mood is a convention, not a measured property of a wavelength. Everything said about the colours in it above is derived from their measured values. See methodology.

See also: interiors and accessibility guidance for using these colours.

How this palette performs

Lightness spans 23 points of CIELAB L* — enough to separate the colours without harsh contrast.
Closest pair: Powder Blue and Duck Egg Blue (ΔE00 4.0).
With deuteranopia (a common red–green colour-vision deficiency, simulated), the closest pair is Powder Blue and Duck Egg Blue at ΔE00 3.3 — likely to look alike.
In greyscale, Lavender and Mint Green are closest (ΔE00 0.0), so a black-and-white print would merge them.
Powder Blue, Duck Egg Blue, Lavender, Sky Blue, Mint Green are beyond what premium coated offset print can reach and would print duller.

Computed from the palette’s own colours with CIEDE2000, a Viénot–Brettel–Mollon simulation and the FOGRA51 print data. Check your own palette.