Color

#151e17

#151e17
hex#151e17
rgbrgb(21, 30, 23)
hslhsl(133, 18%, 10%)
oklchoklch(0.224 0.019 151.4)
Closest name: Coco’s Black (#1c1c1a)Relative luminance 0.0115

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e151c

#181e15 · #151e1b

#17151e · #1e1715

Split-complementary

Open in tool →

#1b151e · #1e1518

#15181e · #1e151c · #1e1b15

Contrast

#151e17 as textRatioAAAA largeAAAFix
Aaon white
17.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #587e60 as the text (4.57:1)
  • AAA: use #759f7e as the text (7.02:1)
  • AA: or shift the background to #858585 (4.63:1)
  • AAA: or shift the background to #a6a6a6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151e17 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#151e17 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151e17
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 #151e17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151e17-a2beab-b84edf-1f2d28-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