Color

#001900

#001900
hex#001900
rgbrgb(0, 25, 0)
hslhsl(120, 100%, 5%)
oklchoklch(0.185 0.063 142.5)
Closest name: Cosmic Bit Flip (#001000)Relative luminance 0.007

Tints & shades

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

Harmonies

Complementary

Open in tool →

#190019

#0d1900 · #00190d

#000019 · #190000

Split-complementary

Open in tool →

#0d0019 · #19000d

#000d19 · #190019 · #190d00

Contrast

#001900 as textRatioAAAA largeAAAFix
Aaon white
18.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #008a00 as the text (4.64:1)
  • AAA: use #00b300 as the text (7.45:1)
  • AA: or shift the background to #808080 (4.67:1)
  • AAA: or shift the background to #a1a1a1 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #001900 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

#001900 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #001900
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 #001900 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/001900-a2bea5-994edf-1f2d25-edf1e9?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