Color

#102d2a

#102d2a
hex#102d2a
rgbrgb(16, 45, 42)
hslhsl(174, 48%, 12%)
oklchoklch(0.274 0.035 186.3)
Closest name: Black Box (#0f282f)Relative luminance 0.0215

Colors that go with #102d2a

Charcoal, Crimson and Rust 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.

Real palettes that use #102d2a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d1013

#102d1c · #10222d

#2a102d · #2d2a10

Split-complementary

Open in tool →

#2d1022 · #2d1c10

#1c102d · #2d1013 · #222d10

Contrast

#102d2a as textRatioAAAA largeAAAFix
Aaon white
14.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.43:1failfailfail
  • AA: use #2e847c as the text (4.71:1)
  • AAA: use #3aa69b as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.54:1)
  • AAA: or shift the background to #b5b5b5 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #102d2a 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

#102d2a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #102d2a
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 #102d2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/102d2a-a2bebe-d459a1-1f292d-e9f1ed?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