Color

#283f18

#283f18
hex#283f18
rgbrgb(40, 63, 24)
hslhsl(95, 45%, 17%)
oklchoklch(0.338 0.069 134.1)
Closest name: Myrtle (#21421e)Relative luminance 0.0407

Colors that go with #283f18

Sea Green, Steel Blue and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f183f

#3c3f18 · #183f1b

#18283f · #3f1828

Split-complementary

Open in tool →

#1b183f · #3f183c

#183c3f · #2f183f · #3f1b18

Contrast

#283f18 as textRatioAAAA largeAAAFix
Aaon white
11.57:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #538131 as the text (4.55:1)
  • AAA: use #6aa63f as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.59:1)
  • AAA: or shift the background to #cccccc (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #283f18 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

#283f18 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #283f18
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #283f18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/283f18-aabea2-5d4edf-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