Color

#021d0a

#021d0a
hex#021d0a
rgbrgb(2, 29, 10)
hslhsl(138, 87%, 6%)
oklchoklch(0.203 0.051 151)
Closest name: Nightmare (#112211)Relative luminance 0.0091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1d0215

#071d02 · #021d17

#0a021d · #1d0a02

Split-complementary

Open in tool →

#17021d · #1d0207

#02071d · #1d0215 · #1d1702

Contrast

#021d0a as textRatioAAAA largeAAAFix
Aaon white
17.76:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #0a8a30 as the text (4.69:1)
  • AAA: use #0cb03e as the text (7.3:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #021d0a 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

#021d0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #021d0a
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 #021d0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/021d0a-a2beae-be59d4-1f2d29-ebf1e9?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