Color

#21543d

#21543d
hex#21543d
rgbrgb(33, 84, 61)
hslhsl(153, 44%, 23%)
oklchoklch(0.404 0.068 161.5)
Closest name: Evergreen (#125b49)Relative luminance 0.07

Colors that go with #21543d

Crimson, Teal 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 →

#542138

#215423 · #215254

#3d2154 · #543d21

Split-complementary

Open in tool →

#542152 · #542321

#232154 · #542138 · #525421

Contrast

#21543d as textRatioAAAA largeAAAFix
Aaon white
8.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #338460 as the text (4.61:1)
  • AAA: use #42a97a as the text (7.19:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21543d 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

#21543d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21543d
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 #21543d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21543d-a2beb5-d459cc-1f2d2d-e9f1ea?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