Color

#1f756b

#1f756b
hex#1f756b
rgbrgb(31, 117, 107)
hslhsl(173, 58%, 29%)
oklchoklch(0.51 0.081 183.7)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1408

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#751f29

#1f7540 · #1f5475

#6b1f75 · #756b1f

Split-complementary

Open in tool →

#751f54 · #75401f

#401f75 · #751f29 · #54751f

Contrast

#1f756b as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #1a6158 as the text (7.25:1)
Aaon black
3.82:1failpassfail
  • AA: use #23857a as the text (4.71:1)
  • AAA: use #2da99b as the text (7.26:1)
  • AA: or shift the background to #ebebeb (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f756b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#1f756b reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f756b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1f756b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f756b-a2bebe-d459a3-1f292d-e9f1ec?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md