Color

#021d18

#021d18
hex#021d18
rgbrgb(2, 29, 24)
hslhsl(169, 87%, 6%)
oklchoklch(0.208 0.035 178.7)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0096

Colors that go with #021d18

Blue Violet, Charcoal and Crimson 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 →

#1d0207

#021d0a · #02141d

#18021d · #1d1802

Split-complementary

Open in tool →

#1d0214 · #1d0a02

#0a021d · #1d0207 · #141d02

Contrast

#021d18 as textRatioAAAA largeAAAFix
Aaon white
17.62:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #09866f as the text (4.65:1)
  • AAA: use #0cac8e as the text (7.31:1)
  • AA: or shift the background to #828282 (4.59:1)
  • AAA: or shift the background to #a6a6a6 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021d18 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

#021d18 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d18
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 #021d18 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d18-a2bebc-d459ab-1f2a2d-e9f1ec?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