#13813a as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.97:1	pass	pass	fail	AAA: use #0f662e as the text (7.09:1)
Aaon black	4.23:1	fail	pass	fail	AA: use #158a3e as the text (4.74:1) AAA: use #1aad4d as the text (7.13:1) AA: or shift the background to #f5f5f5 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #13813a as the background.

Brands using this color

GitHubsuccess · #1a7f37 · Δ0.594

Fonts for this mood

#13813a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #13813a

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 #13813a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13813a-a2beaf-c459d4-1f2d2a-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