Color

#18afcd

#18afcd
hex#18afcd
rgbrgb(24, 175, 205)
hslhsl(190, 79%, 45%)
oklchoklch(0.696 0.12 216.4)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3526

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd3618

#18cd91 · #1855cd

#cd18af · #afcd18

Split-complementary

Open in tool →

#cd1855 · #cd9118

#9118cd · #cd3618 · #55cd18

Contrast

#18afcd as textRatioAAAA largeAAAFix
Aaon white
2.61:1failfailfail
  • AA: use #128097 as the text (4.6:1)
  • AAA: use #0d6172 as the text (7.07:1)
  • AA: or shift the background to #363636 (4.63:1)
  • AAA: or shift the background to #141414 (7.06:1)
Aaon black
8.05:1passpasspassPasses 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 #18afcd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#18afcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18afcd
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 #18afcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18afcd-a2b6be-df4e7c-1f252d-e9f1ef?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