Color

#28511f

#28511f
hex#28511f
rgbrgb(40, 81, 31)
hslhsl(109, 45%, 22%)
oklchoklch(0.392 0.091 140.1)
Closest name: Mysterious Mixture (#0f521a)Relative luminance 0.0643

Tints & shades

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

Harmonies

Complementary

Open in tool →

#481f51

#41511f · #1f512f

#1f2851 · #511f28

Split-complementary

Open in tool →

#2f1f51 · #511f41

#1f4151 · #481f51 · #512f1f

Contrast

#28511f as textRatioAAAA largeAAAFix
Aaon white
9.18:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #428532 as the text (4.63:1)
  • AAA: use #54aa41 as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.63:1)
  • AAA: or shift the background to #e3e3e3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28511f as the background.

Brands using this color

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

Fonts for this mood

#28511f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28511f
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 #28511f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28511f-a4bea2-7e4edf-1f2d23-eef1e9?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