Color

#101d1e

#101d1e
hex#101d1e
rgbrgb(16, 29, 30)
hslhsl(184, 30%, 9%)
oklchoklch(0.219 0.018 202)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e1110

#101e18 · #10161e

#1e101d · #1d1e10

Split-complementary

Open in tool →

#1e1016 · #1e1810

#18101e · #1e1110 · #161e10

Contrast

#101d1e as textRatioAAAA largeAAAFix
Aaon white
17.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #467d81 as the text (4.51:1)
  • AAA: use #59a1a6 as the text (7.07:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #101d1e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#101d1e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #101d1e
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 #101d1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/101d1e-a2b9be-df4e8a-1f262d-e9f1ee?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