Color

#5a6363

#5a6363
hex#5a6363
rgbrgb(90, 99, 99)
hslhsl(180, 5%, 37%)
oklchoklch(0.492 0.011 196.8)
Closest name: Blindfolded (#5a5e61)Relative luminance 0.12

Tints & shades

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

Harmonies

Complementary

Open in tool →

#635a5a

#5a635e · #5a5e63

#635a63 · #63635a

Split-complementary

Open in tool →

#635a5e · #635e5a

#5e5a63 · #635a5a · #5e635a

Contrast

#5a6363 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #505858 as the text (7.3:1)
Aaon black
3.4:1failpassfail
  • AA: use #6d7878 as the text (4.61:1)
  • AAA: use #8f9999 as the text (7.18:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a6363 as the background.

Brands using this color

Fonts for this mood

#5a6363 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a6363
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 #5a6363 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a6363-a2beb0-c859d4-1f2d2b-eaf1e9?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