Color

#5addb1

#5addb1
hex#5addb1
rgbrgb(90, 221, 177)
hslhsl(160, 66%, 61%)
oklchoklch(0.813 0.132 167.7)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5706

Colors that go with #5addb1

Charcoal, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dd5a86

#5add70 · #5ac7dd

#b15add · #ddb15a

Split-complementary

Open in tool →

#dd5ac7 · #dd705a

#705add · #dd5a86 · #c7dd5a

Contrast

#5addb1 as textRatioAAAA largeAAAFix
Aaon white
1.69:1failfailfail
  • AA: use #1b8360 as the text (4.71:1)
  • AAA: use #146148 as the text (7.41:1)
  • AA: or shift the background to #525252 (4.62:1)
  • AAA: or shift the background to #363636 (7.14:1)
Aaon black
12.41:1passpasspassPasses 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 #5addb1 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #5addb1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5addb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5addb1-a2beb8-d459be-1f2c2d-e9f1eb?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