Color

#101901

#101901
hex#101901
rgbrgb(16, 25, 1)
hslhsl(83, 92%, 5%)
oklchoklch(0.197 0.048 126.1)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0081

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a0118

#181601 · #041801

#010f18 · #18010f

Split-complementary

Open in tool →

#010418 · #160118

#011816 · #0a0118 · #180104

Contrast

#101901 as textRatioAAAA largeAAAFix
Aaon white
18.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #548406 as the text (4.68:1)
  • AAA: use #69a607 as the text (7.06:1)
  • AA: or shift the background to #808080 (4.58:1)
  • AAA: or shift the background to #a3a3a3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101901 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

#101901 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101901
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 #101901 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101901-b0bea2-4e5ddf-222d1f-f1f0e9?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