Color

#100b0a

#100b0a
hex#100b0a
rgbrgb(16, 11, 10)
hslhsl(10, 23%, 5%)
oklchoklch(0.156 0.009 31.2)
Closest name: Black Sheep (#0f0d0d)Relative luminance 0.0037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a0f10

#100a0c · #100e0a

#0a100b · #0b0a10

Split-complementary

Open in tool →

#0a100e · #0a0c10

#0c100a · #0a0f10 · #0e0a10

Contrast

#100b0a as textRatioAAAA largeAAAFix
Aaon white
19.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #9a6a60 as the text (4.6:1)
  • AAA: use #b48f88 as the text (7.23:1)
  • AA: or shift the background to #7a7a7a (4.55:1)
  • AAA: or shift the background to #9c9c9c (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 #100b0a as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#100b0a reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100b0a
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 #100b0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100b0a-c4a79c-62cbaa-2d281f-f1e9ec?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