Palette Gallery • ekioplot

Every palette ekioplot ships, at full size. Colors are read from the package registry, which is generated from inst/ekio-palettes.yaml — the source of truth for the brand.

Each chip is labelled with its hex code, drawn in black or white by ekio_text_on(), the same WCAG contrast helper the palette swatches use.

The seven brand scales are generated from one OKLCH specification: a shared lightness spine anchored on the brand navy, a shared chroma arc, and a hue path per family. A given shade therefore carries the same visual weight in every family. The scientific palettes are not EKIO color — they come from matplotlib and from Okabe & Ito, and inst/COPYRIGHTS carries the notices.

All colors

Every color in one searchable table. Click a hex to copy it; expand a palette to see its colors, or click its copy button to take the whole thing as an R vector.

Accent

Gold is a named token rather than a ramp. It has no nine-step scale because dark yellow is brown — past the middle of the spine a gold ramp stops being gold. The three tokens sit on the same lightness rungs as scale shades 300, 400 and 500, and deep is the one that can carry type.

accent_blue and accent_orange put one main color before receding grays. They return the original four-color form by default; use n from 2 to 6 when the number of series changes. The gallery shows all six available positions.

gold3 colors

#D5AA48

#B88715

#966800

accent_blue6 colors

#1E3A5F

#6E7378

#8D9197

#AEB1B5

#CFD2D5

#F2F3F5

accent_orange6 colors

#D3742A

#6E7378

#8D9197

#AEB1B5

#CFD2D5

#F2F3F5

Categorical

For unordered groups. cool3 and cool4 are compact cool palettes, while full_muted follows the same sequence as full with each color one rung darker. full separates by hue rather than lightness past five categories, so it does not survive grayscale printing.

full8 colors

#1E3A5F

#D3742A

#006261

#D5AA48

#B44D47

#448255

#373A3D

#B4B0AB

full_muted8 colors

#152A44

#B15400

#004342

#B88715

#8C3431

#2E623B

#28292C

#959089

cool33 colors

#1E3A5F

#5597CC

#006261

cool44 colors

#1E3A5F

#5597CC

#006261

#448255

Sequential

The seven brand scales, light to dark. Position i is shade i * 100, so ekio_pal("blue")["700"] is the primary blue. These work as discrete palettes for ordered categories and as the ramp behind scale_color_ekio_c().

blue9 colors

#E8F6FF

#B1D8F2

#84B8DD

#5597CC

#3E76AC

#305687

#1E3A5F

#152A44

#0D1B2A

gray9 colors

#F2F3F5

#CFD2D5

#AEB1B5

#8D9197

#6E7378

#52555A

#373A3D

#28292C

#191A1C

stone9 colors

#F5F3F1

#D4D1CD

#B4B0AB

#959089

#76716B

#59544F

#3C3935

#2B2926

#1B1A18

teal9 colors

#E2F9FA

#AFDCDD

#7EBEC0

#40A2A3

#158281

#006261

#004342

#013031

#051F20

green9 colors

#E7F9EC

#BADCC3

#8FBE9C

#62A274

#448255

#2E623B

#1C4326

#14301C

#0D1F12

orange9 colors

#FFF1E5

#F7C7A0

#E49F6C

#D3742A

#B15400

#893A00

#612400

#471904

#2D1106

red9 colors

#FFEFED

#FDC1B7

#E9998E

#D76D63

#B44D47

#8C3431

#622020

#461818

#2D1010

Diverging

For values with a meaningful midpoint. The pivot is a near-neutral tone, lighter than both arms, so the visual center of the scale lands on zero.

blue_orange9 colors

#152A44

#305687

#5597CC

#B1D8F2

#F5F3EF

#F7C7A0

#D3742A

#893A00

#471904

blue_red9 colors

#152A44

#305687

#5597CC

#B1D8F2

#F5F3EF

#FDC1B7

#D76D63

#8C3431

#461818

teal_orange9 colors

#013031

#006261

#40A2A3

#AFDCDD

#F5F3EF

#F7C7A0

#D3742A

#893A00

#471904

Scientific

Established palettes included for accessibility and continuity with published work: okabe_ito is colorblind-safe, and the three matplotlib ramps are perceptually uniform.

okabe_ito8 colors

#E69F00

#56B4E9

#009E73

#F0E442

#0072B2

#D55E00

#CC79A7

#000000

viridis9 colors

#440154

#482677

#3F4A8A

#31678E

#26838F

#1F9D8A

#6CCE5A

#B6DE2B

#FEE825

inferno10 colors

#000004

#1B0C41

#4A0C6B

#781C6D

#A52C60

#CF4446

#ED6925

#FB9B06

#F7D03C

#FCFFA4

plasma10 colors

#0D0887

#46039F

#7201A8

#9C179E

#BD3786

#D8576B

#ED7953

#FB9F3A

#FDCA26

#F0F921

Using a palette

Pass any name above to a scale function, or call ekio_pal() directly to pull hex codes out.

library(ggplot2)

ggplot(mtcars, aes(wt, mpg, color = factor(cyl))) +
  geom_point(size = 3) +
  scale_color_ekio_d("full") +
  theme_ekio()

# Compact and accent alternatives
ekio_pal("cool3")
ekio_pal("full_muted")
ekio_pal("accent_orange", n = 5)

# Named access to any brand scale
ekio_pal("teal")["600"]
#>     600
#> "#006261"

# Interpolated to an arbitrary length
ekio_pal("blue_orange", n = 15)

list_ekio_palettes() returns these names programmatically, and ekio_pal() prints a swatch when called at the console.