#ca91f3 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.37:1	fail	fail	fail	AA: use #a443ea as the text (4.6:1) AAA: use #8217cf as the text (7.06:1) AA: or shift the background to #3d3d3d (4.58:1) AAA: or shift the background to #1c1c1c (7.19:1)
Aaon black	8.86:1	pass	pass	pass	Passes 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 #ca91f3 as the background.

Brands using this color

Netlifysecondary · #c792ea · Δ1.476

Fonts for this mood

#ca91f3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →Clean fonts →

mcpConnect your agent — build around #ca91f3

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 #ca91f3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca91f3-b89cc4-c0cb62-2d1f2d-eae9f1?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