Color

#99f5bb

#99f5bb
hex#99f5bb
rgbrgb(153, 245, 187)
hslhsl(142, 82%, 78%)
oklchoklch(0.897 0.12 155.5)
Closest name: Ultra Mint (#a3efb8)Relative luminance 0.7566

Colors that go with #99f5bb

Charcoal, Crimson and Deep Sky Blue 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 →

#f599d3

#a5f599 · #99f5e9

#bb99f5 · #f5bb99

Split-complementary

Open in tool →

#e999f5 · #f599a5

#99a5f5 · #f599d3 · #f5e999

Contrast

#99f5bb as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #0d873a as the text (4.62:1)
  • AAA: use #0a662c as the text (7.12:1)
  • AA: or shift the background to #636363 (4.62:1)
  • AAA: or shift the background to #474747 (7.14:1)
Aaon black
16.13:1passpasspassPasses 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 #99f5bb as the background.

Brands using this color

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

Fonts for this mood

#99f5bb reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #99f5bb
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 #99f5bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99f5bb-a2beaf-c659d4-1f2d2a-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