Color

#05b5b8

#05b5b8
hex#05b5b8
rgbrgb(5, 181, 184)
hslhsl(181, 95%, 37%)
oklchoklch(0.701 0.119 196.9)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3654

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b80805

#05b861 · #055bb8

#b805b5 · #b5b805

Split-complementary

Open in tool →

#b8055b · #b86105

#6105b8 · #b80805 · #5bb805

Contrast

#05b5b8 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #038486 as the text (4.52:1)
  • AAA: use #036263 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.64:1)
  • AAA: or shift the background to #171717 (7.09:1)
Aaon black
8.31:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05b5b8 as the background.

Brands using this color

Fonts for this mood

#05b5b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05b5b8
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 #05b5b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05b5b8-a2babe-d45992-1f272d-e9f1ed?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