#91cbf8 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	1.74:1	fail	fail	fail	AA: use #0d78c9 as the text (4.62:1) AAA: use #0a5b99 as the text (7.07:1) AA: or shift the background to #525252 (4.5:1) AAA: or shift the background to #333333 (7.28:1)
Aaon black	12.1:1	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 #91cbf8 as the background.

Brands using this color

Sentryaccent · #9ecbff · Δ1.843

Palettes built around it

2563eb 93c5fd 16a34a ffffff 14213d

Telehealth

Open in tool →

Friendly blue with a soft tint and a green all-clear — approachable care with a tech backbone.

Modern Cool FriendlyHealth

Fonts for this mood

#91cbf8 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 #91cbf8

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 #91cbf8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/91cbf8-9caec4-df4e56-1f212d-e9f1f1?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