Color

#21542e

#21542e
hex#21542e
rgbrgb(33, 84, 46)
hslhsl(135, 44%, 23%)
oklchoklch(0.4 0.084 149.5)
Closest name: O Tannenbaum (#005522)Relative luminance 0.0686

Colors that go with #21542e

Blue, Emerald Green and Orange Red 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 →

#542148

#2e5421 · #215448

#2e2154 · #542e21

Split-complementary

Open in tool →

#482154 · #54212e

#212e54 · #542148 · #544821

Contrast

#21542e as textRatioAAAA largeAAAFix
Aaon white
8.85:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #338448 as the text (4.53:1)
  • AAA: use #42a95b as the text (7.06:1)
  • AA: or shift the background to #bababa (4.56:1)
  • AAA: or shift the background to #e6e6e6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21542e 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

#21542e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #21542e
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 #21542e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/21542e-a2beac-b759d4-1f2d29-ebf1e9?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