Color

#286303

#286303
hex#286303
rgbrgb(40, 99, 3)
hslhsl(97, 94%, 20%)
oklchoklch(0.443 0.134 137.6)
Closest name: darkgreen (#006400)Relative luminance 0.0938

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e0363

#586303 · #03630e

#032863 · #630328

Split-complementary

Open in tool →

#0e0363 · #630358

#035863 · #3e0363 · #630e03

Contrast

#286303 as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #368604 as the text (4.57:1)
  • AAA: use #46ad05 as the text (7.24:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fcfcfc (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #286303 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

#286303 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #286303
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 #286303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/286303-a9bea2-624edf-1f2d20-f0f1e9?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